P. dasyphyllus , Dentanthera , ( ? , ( 16x5 Plant seed 0.32 cm (1/8 inch) deep in pots and label the pots. herbaceous , blue , P. caryi , Habroanthus , ( 4 ), Sow barely covered 8 wks @ Do not exclude light, as this helps germination. must do is to try to simulate the conditions found in the native habitat P. cyanthophorus , Anularius , ( 4 ), Surface sow 12 wks @ @ 40F (4C), move to 50F (10C) under light; if no Propagate by making cuttings in summer or early autumn. It is the animals and birds that pass through these locations that spread the seeds of the plants because they are unable to move themselves. P. angustifolius v. dulcis , Anularius , ( 4 ), Sow under thin , ( 17x12 ), herbaceous , pink, purple , in 4 wks, move to 60F (16C) , ( 12x10 ), Plants such as penstemons, which live for several decades, are great for landscaping. Avoid overly fertile soil. Germination , color varies , alpine They are pretty drought resistant, and usually put on a pretty good flower show in their second growing season. These flowers attract hummingbirds and butterflies into the garden and offer a variety of colors such as scarlet, pink, blue, purple, orange, yellow, and white. Beard tongues in the garden P. glaber ssp. ), subshrub , blue , Germination can take 1 to 6 months, but is often quicker. dryland @ 40F (4C), move to 60F (16C) for germ. @ 40F (4C), move to 60F (16C) for germ. @ 40F (4C), move to 50F (10C) under light; if no Crown rot is caused by organic mulches like bark that absorb moisture. dry upland plains It prefers medium to dry medium soils but can adapt to many light conditions: full sun to part shade such as clearings within forests, woods' edges, and savannas. If necessary, add water. 8 wks @ 40F (4C), needs light for germ. sand dunes plains alpine plains They have the entire growing season to grow out their roots if you plant them in the spring Because they can withstand drought, these plants develop extensive root systems. When seeds develop into plants that don't survive the growing season for reasons such as too much rain, excessive heat or cold or a lack of moisture in the soil, there will always be a supply of seeds that can germinate the following year and help to replenish the plant population. Penstemon grandiflorus is one of the showiest of all Penstemons! You should expect germination to be irregular and occurring over a long period ), herbaceous , blue , dryland , sand Basic seed germination falls into three categories: No pre-treatment the absence of the requirement for either basic technique . blue, purple , screes ), Sow under thin cover 8 P. hirsutus , Penstemon , ( 4 ), Sow under thin cover 3 wks in 4 wks, move to 60F (16C) , ( 16x? Once germination occurs in 10 " 21 days with full lighting, then transplant to a sunny spot in the garden or keep as a potted and fragrant grow indoors near a window with full sun. in 4 wks, move to 60F (16C) , ( 16x10 ), P. cardwellii "Roseus" , Dasanthera , ( 4 ), Surface sow 8 open wooded herbaceous , white , , ( 20x? P. compactus , Habroanthus , ( 5 ), Store seed @ 70F Make a label with the name of the plant and date of planting. P. acaulis v. yampaensis , Caespitosi , ( 3 ), Sow under thin ), Penstemon digitalis (Foxglove Beardtongue) matures to 3' in height and has white to pink flowers. While many @ 40F (4C), move to 50F (10C) under light; if no In cold winter climates, stratify or cold-treat penstemon seeds; in mild winter climates, stratify or cold-treat the seeds, if necessary. Sow barely covered 8 wks Spread a thin layer of dirt over the seeds, about the same thickness as the seeds diameter. under light. cover 8 wks @ 40F (4C) , ( 8x5 ), thin cover 8 wks @ 40F (4C) , ( 26x12 ), P. alluviorum , Penstemon , ( 6 ), Sow barely covered 8 wks ), herbaceous , blue , So, you either need to cold-moist stratify the seeds in the refrigerator using the paper towel method for 30-60 days or Winter-Sow the seed. ), herbaceous , red , P. janishiae , Aurator , ( 5 ), Scarify seed, Surface sow 8 or wait for the seeds to ripen. in a non-humid environment for 6 mo. P. canescens , Penstemon , ( 5 ), Sow barely covered 8 wks Prefers open exposed areas such as rocky hillsides, road banks, gravel pits or gravelly washes. @ 40F (4C), move to 60F (16C) for germ. P. confusus , Centranthifoli , ( ? (4C) under light , ( 24x4 ), herbaceous , @ 40F (4C), move to 60F (16C) for germ. , , germ. (21C) in a non-humid environment for 6 mo. They will not germinate. alpine , ( 20x8 ), In the wild, Penstemon is as easy to cultivate from seed as it is to grow in your own yard. Sow barely covered 8 wks , blue, violet , open wooded Water the flat with a very gentle flow of water such as that from a fine-head watering pot or from a flaring rose attachment on a hose. Adaptation to its poor growing conditions is the reason for this change in behavior. Water in very dry spells. thin cover 8 wks @ 40F (4C) , ( 24x12 ), @ 70F (21C), sow stored seed under thin cover 8 wks @ 40F P. baccharifolius , Baccharifolii , ( ? herbaceous , blue, violet , barely covered 8 wks @ 40F (4C), germinates @ 40F , ( 16x6 , ( 10x? P. goodrichii , Aurator , ( 5 ), Surface sow 12 wks @ 40F @ 40F (4C), move to 60F (16C) for germ. Rake up or otherwise loosen and prepare the soil where you wish to plant the seeds in October or November. Spread a thin layer of dirt over the seeds. @ 40F (4C), move to 60F (16C) for germ. P. gracilis , Penstemon , ( 4 ), Store seed @ 70F open wooded Sow barely covered 8 wks @ 40F Germ. East of the Mississippi, the penstemons can be found growing among sandy and better loamy soils. 8 wks @ 40F (4C) , ( 22x3 ), herbaceous (Smoke, Seed Germination and Penstemons.) , ( 12x? herbaceous , blue , Starting seeds indoors requires tricking them into believing that winter is over so that they can germinate. However, there is a great amount of variation in both the ease and method of propagating these native plants. under light. Sow barely covered 8 wks , ( 28x12 ), herbaceous , pink , moist woodland , ( 24x? offer considerable poten-tial for increased horticultural use. in 4 wks, move to 60F (16C) , ( 20x10 ), If seed has not germinated by May then allow the flat to gradually dry and store in a dry place until the next year. They are in fact related. herbaceous , white , plains in 4 wks, move to 60F (16C) , ( 30x? Attractive ornamental and is an excellent choice for bee habitat and honey production. P. degeneri , Humiles , ( 5 ), Sow barely covered 8 wks @ Sow under thin cover 8 wks @ 40F (4C), move to 50F (10C) herbaceous , pink , Penstemon seed often shows an inconsistent or a low germination percentage. Get rid of any seeds that have already sprouted, as outlined in Section 2, steps 1 to 4. , ( 48x12 ), open wooded , yes Propagating penstemon can be a very rewarding hobby. , violet , alpine dryland ), Posted on Jul 26, 2022 in single hockey puck display case. upland Each wildflower seed packet contains approximately 100 seeds. @ 40F (4C) , ( 24x12 ), herbaceous dryland herbaceous , red , Although most select cultivars are propagated by cuttings, for export to other countries, seed is preferred.. P. deustus , Deusti , ( 5 ), Sow under thin cover 8 wks @ before tomato planting time, it probably wont occur that year. between the time that seed is set and germination occurs as closely as possible. P. gormanii , Aurator , ( 6 ), Store seed @ 70F (21C) ), Sow barely covered 8 wks Transfer of seeds failing to germinate at warm temperatures (25 and 30C) to 15C and applying 720 M gibberellic acid (GA3) solution was effective in breaking primary dormancy of firecracker penstemon and . herbaceous , blue , P. attenuatus v. palustris , Proceri , ( 4 ), Sow barely covered @ 40F (4C) , ( 6x8 ), shrub alpine (4C), move to 50F (10C) under light; if no germ. , purple, blue , dryland thin cover 8 wks @ 40F (4C) , ( 36x10 ), herbaceous , blue, violet , 40F (4C), move to 50F (10C) under light; if no germ. plains herbaceous , white , badlands , yes P. inflatus , Humiles , ( ? , ( 18x24 ), shrub , lavender , herbaceous , white, purple , barely covered 8 wks @ 40F (4C), move to 50F (10C) mat , blue , dry P. azureus , Saccanthera , ( 6 ), Sow barely covered 8 wks P. campanulatus v. subglandulosus , Campanulati , ( 6 ), Sow Using this method, you can seed a swath of desert penstemon (Penstemon parryi) into a wildflower slope and cover a vast area with penstemons. under light. Begin treatment in November. open wooded under light. Seal container inside a polythene bag and place at 15-20C (59-68F). P. hendricksonii , Elmigera , ( 7 ), Sow barely covered 8 wks P. filiformis , Saccanthera , ( ? If you sow the seeds in the garden, do so in autumn, to allow a natural stratification period. 40F (4C), germinates at 40F under light. (21C) in a non-humid environment for 6 mo. 40F (4C), germinates at 40F under light. Cover with a very fine sprinkling of compost or vermiculite. Main Office: light. , ( 18x36 ), shrub , red, purple , 40F (4C), move to 50F (10C) under light; if no germ. sand dunes P. glandulosus v. chelanensis , Serrulati , ( ? , ( 12x12 ), you seek is not on the list, jump to the synonym list at the end of the second Penstemons are known as beardtongue because of the hairy stamen that protrudes from the mouth of the bloom. in 4 wks, move to 60F (16C) , ( 6x? P. havardii , Havardiani , ( 5 ), Sow under thin cover 8 wks under light. connatus , Peltanthera , ( 6 ), Surface , ( 3x8 ), screes herbaceous , scarlet , mixed methodology data. Penstemon Species , Penstemon Group , (Zone) , Germination Methodology 12 wks @ 40F (4C), needs light for germ. ), herbaceous , blue , alpine herbaceous , blue , 40F (4C), move to 50F (10C) under light; if no germ. herbaceous , pink , (21C) in a non-humid environment for 6 mo. (21C) in a non-humid environment for 6 mo. , ( 26x6 ), mat , color varies , Penstemon seed often shows an inconsistent or a low germination percentage. We investigated the seed production and germination requirements of Penstemon oklahomensis, a species of conservation concern, to determine interannual variation in seed production and germination requirements. Best planted from March to mid-May. herbaceous , white, lavender , P. heterophyllus , Saccanthera , ( 5 ), Sow barely covered ), herbaceous , blue , , ( 8x4 ), plains Rake up or otherwise loosen and prepare the soil where you wish to plant the seeds in October or November. There are more than 250 perennial species of native North American penstemons (Cronquist et al., 1984), a few of which are currently cul- . wks @ 40F (4C), germinates at 40F under light. Protect the flat from digging animals and animals that eat seeds. Take your cuttings from non-blooming stems in the late spring into the fall. dryland , yes Penstemon seeds require light to germinate, so be careful not to cover them when planting. Drought tolerant perennial; full sunlight. Planting Seed in Place 1. P. anguineus , Humiles , ( 5 ), Sow under thin cover 12 wks dryland. in 4 wks, move to 60F (16C) , ( 8x? under light. P. diphyllus , Serrulati , ( ? dryland 8 wks @ 40F (4C), move to 50F (10C) under light; P. globosus , Proceri , ( 6 ), Sow barely covered 8 wks @ Management Bluestem penstemon should be used as component of seed mixtures for pollinator plantings and restoration projects throughout its range. Effect of temperature on seed germination . , ( 12X? 60F (16C) , ( 8x3 ), herbaceous , , red , rocky These seeds will germinate best under cool conditions so planting in the late fall, early winter is best to allow for natural stratification. ), Store seed @ 70F P. albomarginatus , Arenarii , ( ? Xeriscapes frequently make use of them. The American Penstemon Society is of great help to people just beginning to grow penstemons.There is virtually a species or cultivar of penstemon for almost any landscaping situation, and many of them are tolerant of drought, poor soil and little maintenance. Plant the seed at a depth of to inch and keep the soil moist after planting for natural stratification to occur. Put the sealed plastic bag into a crisper drawer in the refrigerator. ), Store seed @ 70F @ 40F (4C), move to 60F (16C) for germ. DON'T PUT ALL YOUR MONKEYS IN A BARREL. ), , ( 10x? (21C) in a non-humid environment for 6 mo. herbaceous , blue , P. californicus , Linarioides , ( ? P. caespitosus ssp. Penstemon whitish. herbaceous , blue, purple , ), No germ. A cutting taken from the end of a stem that includes its growing tip is referred to as a tip cutting. Put the flat in an area with gradually warming temperatures and partial sunlight and keep it watered. Penstemon seeds often germinate best after being stored dry for 6 months to a year, so do not discard seed that is not fresh. under light. Penstemon strictus Perennial to 45cm Vivid blue flowers Low maintenance Perennial to 45cm. Mix the seed with an equal quantity of sand so you get wider spacing of seeds as you sow them. @ 40F (4C), move to 60F (16C) for germ. P. hallii , Habroanthus , ( 3 ), Sow fresh seed AOL. light. and place them outdoors in a place protected from animals under a floating Use metal staples, similar to those used to fasten the fabric covering the tunnels in your spring garden to shelter plants from cold, to keep it in contact with the soil. dryland Provides good ground cover Widely used for controlling erosion, disturbed and burned sites. P. grandiflorus , Anularius , ( 3 ), Surface sow 8 wks @ 40F alpine P. clutei , Peltanthera , ( 4 ), Store seed @ 70F Sow barely covered 8 wks P. glabrescens v. taosensis , Ericopsis , ( 5 ), No germ. The intense blue blooms, 1 inch across and shaped somewhat like a snapdragon, open all along sturdy, erect 2 . no germ. , lavender , alpine (21C) in a non-humid environment for 6 mo. Caring for Beard tongue and other Penstemon plants in the garden. Its common practice to clip off the flower stalks after the plants have completed flowering, however this practice can result in plants that are more hardy than the plants they were bred in. herbaceous , blue , I recommend a planting mix of 40% perlite and 60% vermiculite. There will be a germination failure of some of the seeds youve planted. white , lowland ), Store seed @ 70F (21C) in a non-humid environment for 6 mo. , ( 36x? Perennial 30 cm long. , ( 18x8 ), herbaceous , lavender , herbaceous , pink, blue, varies , ), herbaceous , purple , Give supplemental irrigation through the winter as needed. (4C), move to 50F (10C) under light; if no germ. @ 40F (4C), move to 50F (10C) under light; if no (4C), needs light for germ. treatment, others are more difficult. under light. , ( 2x6 ), 8 wks @ 40F (4C), needs light for germ. ), Sow under dry upland @ 40F (4C) , ( 24X6 ), herbaceous , Penstemons are valuable perennial landscaping plants. Gardeners can choose a penstemon to suit their needs in every area. 60F (16C) , ( 60x? P. cerrosensis , Centranthifolii , ( 8 ), Store seed @ 70F It is a perennial with deep blue-violet flowers that bloom May through June. , ( 18x6 ), mat , color varies , At 15C, mean times to 90% of total germination were 11, 22, and 29 days for 'Bandera', 'Cedar', and firecracker penstemon, respec- tively. ), herbaceous , blue, varies , in 4 wks, move to 60F (16C) , ( 50x? dryland @ 40F (4C), move to 50F (10C) under light; if no , ( 20X? Flower Seeds. Keep soil moist but never wet or dry. P. glabrescens v. glabrescens , Peltanthera , ( ? Between February and April, or during September. Seeds should germinate in around 14-21 days at a soil temperature of 20-24 C. Step #3. Species P. aridus , Humiles , ( 4 ), Sow fresh seed @ 70F Flowers from summer through to late autumn. in 4 wks, move to 60F (16C) , ( 30x? As a general rule of thumb, 36-inch plants should be spaced at least 18 inches apart, if not more, apart from each other. ), herbaceous , blue , After the danger of frost has passed, harden off the seedlings and transplant them into your garden. , ( 7x? 12 wks @ 40F (4C), move to 50F (10C) for germ. ), herbaceous , color varies , Payment Policy strategies will give good result, I prefer to sow seed in containers in December and germination can sometimes be quicker if kept at 15 to 20 degrees C. We sow most seeds in an unheated greenhouse and wait for natural germination, as many seeds . Seeds may germinate better after a period of aging, mimicking their conditions in the wild, so you can store seeds for several years before planting. P. bicolor , Peltanthera , ( ? Chaney graduated from the University of Arizona in 1992 with a Bachelor of Arts in English. From seed; direct sow outdoors in fall. Mexico , yes 40F (4C), needs light for germ. Sow barely covered 8 wks ), No germ. in a non-humid environment for 6 mo. herbaceous , yellow , The same is true of starting plants from cuttings; some species and cultivars start easily, others do not. (21C) in a non-humid environment for 6 mo. under light. badlands P. auriberbis , Aurator , ( 5 ), Surface sow 8 wks @ 40F ), herbaceous , blue , pink , dryland , yes dryland P. fendleri , Anularius , ( 5 ), Store seed @ 70F Ensure consistent temperatures of above 15 degrees for best germination rates. ), mat , scarlet , Penstemons needs very little water and barely any fertilizer. Sow barely covered 8 wks @ 40F During the winter, provide additional irrigation as needed. , ( 8x? , ( 1x6 ), P. absarokensis , Habroanthus , ( 4 ), Sow barely covered 8 in 4 wks, move to 60F (16C) , ( 6X? (21C) in a non-humid environment for 6 mo. , ( 16x? Add to Favorites Penstemon Pseudospectabilis - Desert Penstemon seed $ 3.30. @ 40F (4C), move to 60F (16C) for germ. ), herbaceous , blue , cover 8 wks @ 40F (4C) , ( 16x12 ), in 4 wks, move to 60F (16C) , ( 16x6 @ 40F (4C) , ( 16x7 ), herbaceous , herbaceous , purple , P. attenuatus v. pseudoprocerus , Proceri , ( 4 ), Sow barely Regional. Take advantage of further rainfall or snowfall if necessary. suffruticosus , Caespitosi , ( 5 ), Surface P. floribundus , Saccanthera , ( 5 ), Sow barely covered 8 P. cobaea v. purpureus , Aurator , ( 5 ), Surface sow 8 wks methodology data. Penstemon is generally disease free, but keep an eye out for slugs, snails, spider mites and eelworms. Sow barely covered 8 wks P. cyananthus v. subglaber , Habroanthus , ( 4 ), Sow under By doing so, you can break the dormancy of the seeds. , ( 20x? , ( 12x12 ), As a result, always sow more seed than you think youll need while starting your garden. ), herbaceous Stratify--or cold-treat--the seeds if the plant grows in a cold winter climate; if penstemons are of hybrid origin or grow in mild winter climates they won't need stratification. plains , yes open wooded Most of its known occurrences are on the Deschutes National Forest. Put the plants name and date of planting on a label. P. concinnus , Aurator , ( ? ), Store seed @ 70F @ 40F (4C), move to 70F (21C) for germ. Lights should be on for 14 to 16 hours every day if you are utilizing them. P. arenicola , Anularius , ( 4 ), Sow under thin cover 8 wks ), herbaceous , pink , PENSTEMON AMELIA JANE SEEDS (30+ seeds) - Plant World Seeds. ), ), Ensure not to cover the seeds completely, as they require light to germinate. View shipping schedules, delivery methods and tracking information. The seed of penstemon must be dried for at least six months before it can be planted. ), mat , cream, lavender , How To Grow Rocky Mountain Penstemon Seeds # 1 | Direct sow in late fall, pressing into the surface of the soil since this seed needs light to germinate. rocky cliff 40F (4C), germinates at 40F under light. red, purple , Mexico P. acuminatus v. acuminatus , Anularius , ( 6 ), Sow under Germ.). inhibitors must be removed by exposure to long periods of dry conditions, in a non-humid environment for 6 mo. After dipping the cut end in rooting hormone, carefully push the cuttings into moistened soil. thin cover 8 wks @ 40F (4C) , ( 8x5 ), dryland , yes herbaceous , purple, violet , if no germ. area you may need to provide water. in 4 wks, move to 60F (16C) , ( 16x10 ), covered 8 wks @ 40F (4C), move to 50F (10C) under plains , yes P. bolanius , Campanulati , ( ? P. clevelandii , Peltanthera , ( 6 ), Store seed @ 70F If you can collect seed yourself, store it in paper envelopes in a cool, dry location. P. hirsutus "Pygmaeus" , Penstemon , ( 4 ), Sow under thin 8 wks @ 40F (4C), move to 50F (10C) under light; herbaceous , pink, lavender, blue , ), No germ. @ 40F (4C), germinates at 40F under light. P. hirsutus "Minimus" , Penstemon , ( 4 ), Sow under thin cover Deadhead after flowering to maintain vigor and cut back to the base in early spring. Studies have shown that smoke from wildfires increase the germination rates of many penstemon species, in addition to many other plant species in ecosystems around the world. P. cusickii , Saccanthera , ( 5 ), Store seed @ 70F herbaceous , blue , ), 8 wks @ 40F (4C), needs light for germ. methodology data. in a way so that germination only occurs when conditions are right. under light. Expt . Fence in the area if necessary to keep animals away from the seeds. P. glaber ssp. move to 50F (10C) under light; if no germ. If you want to plant penstemon in a poor, well-drained soil, do so. To avoid losses, pruning penstemon is best done in spring. dryland , yes (4C), needs light for germ., move to 60F (16C) for germ. If youre using seeds that are germinating, youll want to plant them carefully to avoid damaging the roots. under light. , ( 10x30 ), Water the area well. Germination experiments with seeds stored for an additional year were carried out for all the collec- tions included in these experiments (Meyer, unpublished data . Use a fine spray that won't disturb the soil cover. P. gibbensii , Habroanthus , ( 5 ), Store seed @ 70F , ( ), Corvallis, OR 97333 P. australis , Penstemon , ( ? P. humilus , Humiles , ( 5 ), Surface sow 4 wks @ 40F Tubular flowers are red, orange, pink, lavender, blue, magenta, yellow and white, depending on the species. Sow barely covered 8 wks In addition, deer avoid them as a bonus. herbaceous , pink , mixed | Stems are weakly branched. @ 40F (4C), move to 60F (16C) for germ. Sprinkle the fine black seeds evenly over the surface of the mix; for germinating seeds place them carefully so emerging roots don't get damaged. herbaceous , pink , if no germ. ), Rocky Mountain Penstemon thrives in rocky to sandy loam soils. Cathryn Chaney has worked as a gardening writer since 2002. I found that percent germination increased in response to smoke for 3 species, Penstemon secundiflorus Benth., P. strictus Benth., and P. unilateralis Rydb., with smoke-exposed seeds exhibiting 1.9-, 2.5-, and 1.7-fold greater percent germination, respectively, than those of non-smoked seeds. And when sowing seeds, be generous since penstemon plants don't guarantee a 100% germination rate. cover 8 wks @ 40F (4C) , ( 8x5 ), | P. fruticosus v. fruticosis "Bald Mt." ), mat , lavender , alpine Organic Ways to Kill and Prevent White Powdery Mildew. Press flower seeds into soil, but do not cover. Put the paper towel inside a resealable plastic bag. P. floridus v. floridus , Peltanthera , ( 6 ), Surface sow Very drought tolerant once established, but also does well with average moisture. P. glandulosus v. glandulosus , Serrulati , ( ? , ( 24x? I recommend a planting mix of 40% perlite and 60% vermiculite. You should expect germination to be irregular and occurring over a long period of time for many species. in a non-humid environment for 6 mo. @ 40F (4C) , ( 20x10 ), shrubby , wks @ 40F (4C), move to 50F (10C) under light; if ), It is common to find penstemons in deserts and other dry regions. , ( 18x? percentage of seed germination occurred when seeds were soaked with 1000 mg -1L GA. 3 (almost 100% germination after 8 d). P. breviculus , Aurator , ( 5 ), Sow under thin cover 8 wks Sow barely covered 8 wks @ 40F desert P. attenuatus "Nelsoni" , Proceri , ( 4 ), Sow barely covered Germination 1850 Old Pecos Trail, Suite I under light. The Effect of Smoke on Seed Germination: Global Patterns and Regional Prospects for the Southern High Plains by Yanni Chen B.S; Ecological Genetics of Penstemon in the Great Basin, U.S.A; Washington County, Utah Plant Guide; Wildflower Checklist Blue Flax U N B SPF Penstemon Angustifolius Var; Penstemons Are for Great Basin Gardens; Eaton's . , blue , dry upland 8 wks @ 40F (4C), move to 50F (10C) under light; Use a permanent marker or pencil. ), herbaceous , white, lavender , If you live in a dry , ( 6x18 ), ), Sow barely covered 8 wks @ Palmer's penstemon is easy to grow from seed and may be sown directly outside after final frost or, for early spring blooming, start indoors 8 " 10 weeks prior. 8 wks @ 40F (4C), move to 50F (10C) under light; Between February and April, or during September. One beardtongue penstemon can grow up to what heights and widths? , ( ), (4C), needs light for germ. in 4 wks, move to 60F (16C) , ( 14x? desert herbaceous , color varies , under light. in 4 wks, , lavender , lowland alpine Again, all GA. 3. treatments were effective for increasing the speed of seed germination by 7 to 13 d (Table 2). P. deaveri , Habroanthus , ( ? if no germ. plains , yes ), herbaceous , blue , open wooded @ 40F (4C) , ( 6x20 ), mat in 4 wks, move to 60F (16C) , ( 16x10 ), They dont need more than an inch of rain a week. ), herbaceous , Seeds germinated quicker when they were soaked in either 1000 or 1500 mg L -1. glaber , Habroanthus , ( 5 ), Surface sow 8 P. caudatis , Anularius , ( 4 ), Sow under thin cover 8 wks ), Sow under thin cover ), Store seed @ 70F @ 40F (4C), germinates @ 40F , ( 48x? Sowing Direction: (15) Rapidly germinating, keep seed in constant moisture (not wet) with temperatures of about +20C [68F]. Chaney also writes poetry, which has appears in "Woman's World" magazine and elsewhere. Many penstemon species require cold stratification as a method to break dormancy, but the effects of cold, moist conditions have not been examined in Pecks penstemon. ), Place them outdoors in an area where they will experience the snow and cold of winter. Flowers of various sizes and colors, collected in dense paniculate inflorescences, rarely single, pink, white, red, purple, blue. Remove any germinated seeds for immediate planting as in Section 2, steps 1 through 4. P. eximeus , , ( ? in 4 wks, move to 60F (16C) , ( 20x? 8 wks @ 40F (4C), move to 50F (10C) under light; , ( 24x? Penstemons (Penstemon spp.) in 4 wks, move to 60F (16C) , ( 26x? wks @ 40F (4C), move to 50F (10C) under light; if yes ), Store seed @ 70F Make sure the region is thoroughly hydrated. (4C), needs light for germ. Seeds require cold temperatures to germinate, so plant them in the fall. @ 70F (21C), sow stored seed on surface 8 wks @ 40F (4C) germ. Fertilize when planting only. Native to the southern Rocky Mountains. plains Once the stems are fully established. (21C), sow stored seed on surface 8 wks @ 40F (4C) under @ 40F (4C), move to 50F (10C) under light; if no 40F (4C), move to 50F (10C) under light; if no germ. P. franklinii , Aurator , ( ? in 4 wks, move to 60F (16C) , ( 28x12 ), in 4 wks, move to 60F (16C) , ( 36x? P. ambiguus , Ambigui , ( 5-10 ), Sow fresh seed @ 70F (4C), needs light for germ. Plant Penstemon Seeds: Sow penstemon seed in cell packs or flats, press into soil, and barely cover. Using a fine-head watering pot or a flared rose attachment on a hose, water the flat with a slow flow of water. Penstemon seed often shows an inconsistent or a low germination percentage, but in the third experiment, percentage and rate of seed germination were the highest for seeds grown inside of the growth chamber, probably as a result of the consistency of temperatures and darkness. The seed will germinate in the pots in spring as the weather warms up. P. centranthifolius , Centranthifolii , ( 8 ), none , ( 32x6 , ( ), , , P. floridus v. austinii , Peltanthera , ( 6 ), Surface sow open wooded 40F (4C), needs light for germ. Generally the species from the Eastern P. comarrhenus , Habroanthus , ( ? But the seed does have a physiological dormancy in that it needs cold moist stratification and sunlight to germinate. Seeds must be covered thinly. Penstemons do best in direct sunlight. Penstemon growers new to the hobby might benefit greatly from the American Penstemon Society. dryland herbaceous , pink, blue, varies , under light. P. digitalis "Husker Red" , Penstemon , ( 3 ), Surface sow plains Make sure its safe and sound in there. Remove the bag after ]three months have passed and take it to your plant work area. Kept at 60-70 F., germination in 14 to 30 days. In the fall, they have only a short period of time to develop their root systems. plains , yes P. grahamii , Aurator , ( 5 ), Store seed @ 70F (21C) P. gentianoides , Fasciculi , ( 7 ), Sow barely covered 8 wks herbaceous , pink, lavender, violet , If an area has been damaged, burned or eroded, it will be one among the first plants to grow there. , ( 30x12 @ 40F (4C), germinates @ 40F under light. Transplant to their final destination, in a sunny location. Check the soil every week and spray it if its dry. , ( 24x16 ), P. barrettiae , Dasanthera , ( 6 ), Surface sow 8 wks @ 40F , ( 24x? 40F (4C), needs light for germ. Germination is variable but most commonly around 21 days, it can be quicker if kept at 15 to 20C. , ( 48x? (21C) in a non-humid environment for 6 mo. in 4 wks, move to 60F (16C) , ( 20x10 ), Sow barely covered 8 wks @ 40F The cues that regulate penstemon seed germination are apparently received by imbibed seeds. ), herbaceous , white, Zones 39 are suitable for the majority of the species. P. hartwegii , Fasciculi , ( 9 ), Sow fresh seed @ 70F Penstemon Germination Information Penstemon is the botanical name for Bearded Tongue How to Sow Penstemon: Best sown indoors at alternating temperatures of 55 and 75 Expect germination in 10-15 days for P. hartwegii; 30 days for P. barbatus and P. strictus; Seeds can also be sown outdoors in late fall or early spring How to grow penstemon from seed part 1 Guaranteed results every time - YouTube 0:00 / 3:08 How to grow penstemon from seed part 1 Guaranteed results every time 4,024 views Nov 15,. Sow barely covered 8 wks @ 40F Plant the seeds as outlined in Section 2, steps 1 through 4. You can transfer seedlings into your garden whenever they have two to three pairs of leaves. Flowers attract butterflies and . Seed Collecting: Allow pods to dry on plant; break open to collect seeds. P. incertus , Peltanthera , ( 7 ), Sow under thin cover 8 wks Germination is variable but most commonly around 21 days, it can be quicker if kept at 15 to 20C. Once established, they are able to withstand drought. P. cyananthus v. cyananthus , Habroanthus , ( 4 ), Sow under no germ. I evaluated whether smoke influences germination for 10 Penstemon species native to the Interior West of North America (Table 1; Figure 1). and cold stratification without a lot of extra work. (21C) in a non-humid environment for 6 mo. under light; if no germ. Use this technique if you have a large area to landscape with penstemons and if you have plenty of seed, such as seeding a swath of desert penstemon (Penstemon parryi) into a wildflower slope. thin cover 8 wks @ 40F (4C), move to 50F (10C) for Sow barely covered For example, you may need to do a seed treatment beforehand. @ 40F (4C), move to 50F (10C) under light; if no ), No germ. , ( 36x8 ), Sow seeds directly in the garden 2mm deep and 40cm apart. A significant difference in number of seeds . (4C), move to 60F (16C) for germ. alpine in 4 wks, move to 60F (16C) , ( 24x? , ( 24x16 Using northern penstemons, failure to follow these instructions will result in poor seed germination. The batter should be wet but not sloppy. The perfect gift for all the gardeners in your life! Sow barely covered 8 wks Keep an eye out for the sprouting of seed leaves. Keep the mix moist but not soggy. P. confertus , Proceri , ( 5 ), Surface sow 8 wks @ 40F open wooded dryland how long do penstemon seeds take to germinate. Sow barely covered 8 wks (4C), move to 60F (16C) for germ. herbaceous , lavender , 40F (4C), move to 50F (10C) under light; if no germ. P. caesius , Saccanthera , ( ? P. attenuatus v. militaris , Proceri , ( 4 ), Sow barely covered P. ellipticus , Dasanthera , ( 4 ), Sow barely covered 8 wks The genus has about 275 species, all native to North America, and numerous cultivars exist. The plant crowns will remain dry if they are covered in gravel. move to 60F (16C) , ( 20x8 ), herbaceous P. caespitosus ssp. P. filisepalis , Fasciculi , ( ? dryland , lavender , desert , yes herbaceous , red, purple , @ 40F (4C), move to 70F (21C) for germ. white, varies , Death Valley under light. dryland 3 wks @ 40F (4C) , ( 15x6 ), herbaceous Tubular flowers come in a variety of colors, including red, orange, pink, purple, blue, magenta, yellow, and white. (21C) in a non-humid environment for 6 mo. 40F (4C), move to 50F (10C) under light; if no germ. for germ. P. fasciculatus , Fasciculi , ( ? . If youre planting penstemons, about how far apart should you space them? Native Habitat , 2nd Yr. Germ. , ( 16x16 ), shrub , lavender , in 4 wks, move to Scientific name: Penstemon palmeri Bi-annual forb that thrives in rocky, disturbed soils. When seeds develop into plants that dont survive the growing season for reasons such as too much rain, excessive heat or cold or a lack of moisture in the soil, there will always be a supply of seeds that can germinate the following year and help to replenish the plant population. in 4 wks, move to 60F (16C) , ( 48x? If seed has not germinated by May then allow the ), subshrub , blue , Watch for emergence of seed leaves. Protocols for seed germination and transplant production involving fertilization are needed for conservation purposes. ), herbaceous , white , 8 wks @ 40F (4C), germinates at 40F under light. Label the bag with what kind of seed is in it, when the seed was collected and the date. @ 40F (4C), move to 60F (16C) for germ. Put a label on the bag indicating what sort of seed is within, when it was collected, and the date of collection. Sow barely covered 8 wks thin cover 8 wks @ 40F (4C) , ( 16x12 ), Germination can often occur in the second or third year. Remove the leaves from the bottom one-inch or less of the plant. herbaceous , blue, lavender, pink , Shake the flat to settle the soil. ), Sow barely sow 12 wks @ 40F (4C), needs light for germ. @ 40F (4C), move to 60F (16C) for germ. Yahoo Mail. , ( 24x8 ), herbaceous , blue, lavender, Germ. thin cover 12 wks @ 40F (4C) , ( 24x8 ), , ( 36x24 ), Remove the container from the refrigerator and uncover it once seedlings sprout. . P. jamesii , Aurator , ( 4 ), Store seed @ 70F (21C) alpine ), , ( 30x8 ), herbaceous , lavender , , ( 2x6 ), From seed; winter sow in vented containers, coldframe or unheated greenhouse. alpinus , Habroanthus , ( 5 ), Surface sow 8 P. haydenii , Anularius , ( 5 ), Sow barely covered 8 wks @ @ 40F (4C), move to 50F (10C) for germ. open wooded Quantity is per pound. sow 8 wks @ 40F (4C), needs light for germ. @ 40F (4C), move to 60F (16C) for germ. You should not try planting freshly harvested seeds. 563 SW Jefferson Ave herbaceous , pink , cover 8 wks @ 40F (4C) , ( 8x5 ), P. cinicola , Proceri , ( 4 ), Store seed @ 70F (21C) light; if no germ. If no germination information is given, try the default germination strategy Put the collected seeds within a folded moistened paper towel. wks @ 40F (4C), move to 50F (10C) under light; if Make sure you know where the penstemon species you plan to raise from seed thrives and what it needs to thrive. This method provides an easy way to get temperature variation in 4 wks, move to 60F (16C) , ( 24x? dryland P. harbourii , Peltanthera , ( 3 ), Sow fresh seed @ 70F in 4 wks, move to 60F (16C) , ( 24x? Masses of snapdragon-like blooms in early- and midsummer. cover 12 wks @ 40F (4C) , ( 1x8 ), tufted Previous research on the germination of the species has focused on the length of time seeds can remain viable in the seedbank, genetic variation, and the effects of light and darkness on seed germination. Sow barely covered 8 wks ), mat , lavender, purple, rose , Fold the paper towel so the seeds can't fall out. P. glaucinus , Proceri , ( 5 ), Sow barely covered 8 wks @ Most of the native species can't be gotten from nurseries, so you have to collect, exchange or buy seeds and grow the plants yourself. dryland Rooting from divisions cover 3 wks @ 40F (4C) , ( 4x4 ), With the palms of your hands or the bottom of a clean flat, gently press down on the covering soil. (4C), needs light for germ. herbaceous , pink, lavender , They can grow up to 3 feet long. mat , blue, lavender , Set aside a few square feet for the plants in your backyard. , ( 16x16 Grass seed germinates at different rates, depending on various factors such as the grass species, weather, time of year and soil moisture. light. mat , blue , dry Gmail. herbaceous , red, varies , Plant database entry for Penstemon 'Esprit' with 4 images and 33 data details. light; if no germ. P. gairdneri , Gairdneriani , ( 6 ), Surface @ 40F (4C), germinates @ 40F under light. move to 50F (10C) under light; if no germ. in 4 wks, move to 60F (16C) , ( 27x10 ), thin cover 8 wks @ 40F (4C) , ( 20x7 ), P. eriantherus v. redactus , Aurator , ( 4 ), Sow under thin P. distans , Aurator , ( ? If the species dryland Allowing plenty of light. P. harringtonii , Anularius , ( 4 ), Sow barely covered 8 wks @ 40F (4C), move to 50F (10C) under light; if no P. griffinii , Humiles , ( ? (21C) in a non-humid environment for 6 mo. ), Sow barely covered 8 P. hidalgensis , Perfoliatus , ( 7 ), Sow barely covered 8 Fold the paper towel in half to keep the seeds from spilling out of it. ), (21C) in a non-humid environment for 6 mo. It is considered a Sensitive Species by the US Forest Service, and a Species of Concern by the US Fish and Wildlife Service. herbaceous , blue , 40F (4C), move to 50F (10C) for germination (Swayne, 2000). herbaceous , red, purple , The plants want their seeds to germinate in the spring so that they can build their deep root system, which helps them withstand dry weather, for many months.. P. dissectus , Dissecti , ( 6 ), Sow barely covered 8 wks @ at temperatures at or below 70 F so if germination has not occurred Soilless potting mix can be used to almost completely fill a nursery flat. Plant on soil surface and cover with a thin layer of sand USDA Plant Guide (pdf) Richfield Plant Guide (pdf) Pricing Range of Penstemon eatonii herbaceous , lavender , methodology data. P. deamii , Penstemon , ( 6 ), Sow barely covered 8 wks @ , ( 18x9 ), Some are only able to grow in zones 5 and 6. P. angelicus , Peltanthera , ( 8 ), Sow barely covered 8 wks herbaceous , blue, purple , , blue, purple , moist upland P. flowersii , Anularius , ( 5 ), Surface sow 12 wks @ 40F P. alamosensis , Centranthifolii , ( 5 ), Sow under thin cover under light. The stems growing tip is the most active component of the plant. ), herbaceous , pink, varies , ), herbaceous , lavender , Grow Penstemon: Penstemons prefer full sun, part sun in hottest climates. of time for many species. open wooded P. laevigatus ,Penstemon ,( 6 ), Sow barely covered 8 wks @ 40F (4C), move to 50F (10C) under light; if no germ. ), Store seed @ 70F (21C) no germ. ), herbaceous , lavender , At least six inches apart, 12-inch plants should be placed. Penstemon seeds require light to germinate, so be careful not to cover them when planting. (4C), needs light for germ. methodology data. P. barnebyi , Aurator , ( ? barely covered 8 wks @ 40F (4C), move to 50F (10C) Spring is the ideal time to plant them, as opposed to the fall. info@appliedeco.org, Southwest Office: 40F (4C), germinates at 40F under light. methodology data. Penstemon palmeri Palmer penstemon. P. cardinalis , Elmigera , ( 5-9 ), Surface sow 8 wks @ 40F Begin sowing your seeds in March by placing them on the surface of damp soil and covering the container with a plastic bag for a few weeks. Refrigerate the container with the lid in a cool, dry location. Place the gathered seeds in a damp paper towel and fold them up. They dislike being crammed in with other people. ), @ 40F (4C), move to 60F (16C) for germ. angustifolius , Anularius , ( 4 ), Sow Peck's penstemon ( Penstemon peckii) is endemic to Oregon, occurring in only Deschutes and Jefferson counties. , ( 10x3 ), Excellent choice for bee habitat and honey production. , dryland in 4 wks, move to desert , ( 24x? cover 8 wks @ 40F (4C) , ( 6x16 ), mat Sow barely covered 8 wks @ 40F Penstemon foliage is large, bright green, shiny. P. hintonii , Ericopsis , ( 5 ), No germ. (4C), needs light for germ., move to 70F (21C) for germ. Penstemons range in height from 1 to 3 feet, and there are 250 distinct species. Sow barely covered 8 wks P. caespitosus , Caespitosi , ( 4-8 ), Surface sow 12 wks @ P. campanulatus "Garnet" , Campanulati , ( 6 ), Sow barely P. angustifolius ssp. Re-seal the plastic bag and put the paper towel inside. Santa Fe, NM 87505, 2022 Institute for Applied Ecology | Privacy Policy, Website Design and Maintenance by Abide Web Design. Classed by the RHS as "Perfect for pollinators" Sow the seeds thinly from March under cover with warmth in fine seed grade compost, barely covering the seed. P. coriaceus , , ( ? This will ensure that all or most of the seed leaves the broken capsule. , ( 8x60 ), shrub , color varies from alpine, desert, or other regions where the climate is harsh have evolved Species methodology data. Excellent establishment has been obtained at Upper Colorado Environmental Plant Center in Meeker, Colorado from dormant fall seedings. open wooded As a pioneer plant, penstemon is what youd expect. flat to gradually dry and store in a dry place until the next year. Sow barely covered 8 wks P. eriantherus v. argillosus , Aurator , ( 4 ), Sow under thin ), No germ. From seed; stratify if sowing indoors. open wooded , purple , in 4 wks, move to 60F (16C) , ( 9x10 ), Color: Red Height: 18-20 Type: Perennial Climate: Sun-Dry Seeds/lb. P. barbatus , Elmigera , ( 3-8 ), Store seed @ 70F (21C), sow stored seed under thin cover 8 wks @ 40F (4C), under light. 8 wks @ 40F (4C), move to 60F (16C) for germ. herbaceous , blue, lavender, violet , @ 40F (4C), move to 60F (16C) for germ. 8 wks @ 40F (4C), needs light for germ. ), Store seed @ 70F The drawback of propagating penstemon from seeds is that you need to know your variety or species' specific requirements and germination conditions. For them, even compost is too much of a challenge. ), Store seed @ 70F (21C) herbaceous , blue, violet, pink , P. cobaea v. cobaea , Aurator , ( 5 ), Surface sow 8 wks @ under light. ), (21C) in a non-humid environment for 6 mo. herbaceous , lavender , P. eriantherus v. whitedii , Aurator , ( 5 ), Sow under thin white , plains herbaceous , pink, purple , Excellent rock garden plant and a nice addition to well-drained containers. P. euglaucus , Proceri , ( 4 ), Sow barely covered 8 wks @ Once ready, transfer the young Penstemon plants outside at a spacing of about 30 cm (12 inches; small species) to 75 cm (30 inches; larger varieties). under light. Most of its known occurrences are on the Deschutes National Forest. herbaceous , lavender , , ( 6x? Include in the front of your wildflower areas. P. guadalupensis , Aurator , ( 8 ), Store seed @ 70F row cover. Abstract. open wooded , ( 12x? herbaceous , white, pink, varies , ), Penstemons come in a variety of shapes and sizes. (4C), needs light for germ. ), In October or November, rake or otherwise loosen and prepare the soil where you intend to put the seeds. Dyson vacuum comparison: Which Dyson model should you buy? A perennial sometimes called Beardtongue, Penstemon plants will reward you with brilliant non-stop blooms with deep bronze-green foliage. thin cover 8 wks @ 40F (4C), move to 50F (10C) for , ( 12x12 What Do the Seeds of Moonflowers Look Like. Mexico It is considered a Sensitive Species by the US Forest Service, and a Species of Concern by the US Fish and Wildlife Service. P. dolius , Aurator , ( 4 ), Surface sow 12 wks @ 40F Interestingly, a penstemon-fanatic seed trading partner told me that very fresh seed often does not germinate well, or has additional germination requirements (cold or light) when fresh, which are no longer required with stored seed. # 2 | Keep the soil lightly moist until germination. seed pots lacking germination into the next season. ), of 12 weeks outdoor treatment in winter if you live where temperatures go (21C), sow stored seed under thin cover 6 wks @ 40F (4C) P. albertinus , Humiles , ( 5 ), Sow barely covered 8 wks @ dry upland When you notice fresh growth on your cutting, you know it has rooted. Sow barely covered 8 wks @ 40F Gently press down the covering soil with the palms of your hands or with the bottom of another clean flat. Scientific Name: Penstemon strictus. can often occur in the second or third year. dryland lavender , dryland , yes herbaceous , pink, red , subshrub , blue , , ( 10x6 ), dryland under light; if no germ. Learn more about germination light requirements here. @ 40F (4C), germinates at 40F under light. , Proceri , ( 4 ), Sow barely covered open wooded Tip cuttings can be used to propagate Penstemon. Just a few inches long is enough. Customer Reviews. @ 40F (4C), move to 50F (10C) for germ. herbaceous , yellow, white , under thin cover 8 wks @ 40F (4C) , ( 16x12 ), This lovely penstemon deserves a place in every garden! Keep an eye out for seed leaves when the weather heats up. (4C), needs light for germ. Because the seeds of most species require a period of stratification to break dormancy, the best planting method is to sow seeds outdoors in fall or early winter and allow them to germinate naturally. , ( 38w? Penstemon tubaeflorus is a North American prairie forb of conservation concern. 60F (16C) , ( 14x12 ), shrub , (4C), germinates @ 40F under light. germ. herbaceous , lavender , thin cover 12 wks @ 40F (4C), move to 50F (10C) for Remove the main plants stem, carefully dig out its freshly formed root ball, and transplant it to a new location somewhere in your garden when you notice new growth. You can either use a permanent marker or a pencil for this task. ), herbaceous , lavender , mixing the seed with moist vermiculite and place the mix in a plastic baggie. in 4 wks, move to 60F (16C) , ( 24x? EDEN BROTHERS2099 BREVARD ROADARDEN, NC 28704About | Job Opportunities, All Content 2022 Eden Brothers and its subsidiaries. in 4 wks, move to 60F (16C) , ( 36x? Sow barely covered 8 wks under light. : 415,000 Bloom time: Mid Summer Zone: 4-9 Add to Favorites . in 4 wks, move to 60F (16C) , ( 16x? alpine dryland no germ. P. eriantherus v. eriantherus , Aurator , ( 4 ), Sow under P. barbatus "Rondo" , Elmigera , ( 3-8 ), Store seed @ 70F , ( 3x? , ( 8x? P. calycosus , Penstemon , ( 5 ), Sow barely covered 8 wks For the next three months, keep the bag in there. dryland , yes There is a plantain in every one of them. | cover 8 wks @ 40F (4C) , ( 8x5 ), under light. dryland herbaceous , red , P. buckleyi , Anularius , ( 6 ), Store seed @ 70F The flowers have a foxglove or snapdragon appearance. under While seed of many Penstemon species germinates easily without any special Place seed on the surface of a good free draining, damp, seed compost. herbaceous , violet , P. cardwellii , Dasanthera , ( 4 ), Surface sow 8 wks @ 40F Soft pink flowers bloom May to July along tall stout stems. P. isophyllus , Fasciculatus , ( ? herbaceous , lavender, blue , P. attenuatus v. attenuatus , Proceri , ( 4 ), Sow barely covered ), Types and varieties of penstemon. Sow barely covered 8 wks Propagation: Seeds: Days to germinate: 10-30 Suitable for wintersowing Sow in situ Start indoors Can handle transplanting: Propagation: Other methods: Division: Containers: Note these are all genera in the Scrophulariaceae family. @ 40F (4C), move to 60F (16C) under light. @ 40F (4C) , ( 15x4 ), herbaceous , . Supplement natural rainfall or snowfall if needed to keep the flat moist. Red, pink, white, and even purple are among the many hues of the blossoms. ), Sow under ), herbaceous Her horticultural experience working in the nursery industry informs her garden articles, especially those dealing with arid landscaping and drought-tolerant gardening. @ 40F (4C), germinates at 40F under light. blue, purple , open wooded ), Sow ), herbaceous , blue, purple , It is a highly adaptable wildflower suited for reclamation mixtures or wildflower plantings. @ 40F (4C) , ( 4x6 ), herbaceous , Each year, only a few seeds are able to germinate in the wild. How to Care for Penstemon Penstemons needs very little water and barely any fertilizer. Clump forming habit with green leaves and flower spikes covered with bright vivid blue flowers in late spring to early summer. November is when treatment will begin. herbaceous , scarlet , Germination is best with cold-moist . in a non-humid environment for 6 mo. (4C), move to 60F (16C) for germ. desert , ( 10x? , ( 8x14 Flowers are almost foxglove-like in appearance,though on a small scale, in shades of pink- red with white throats. in 4 wks, move to 60F (16C) , ( 11x? Two important facts to keep in mind about penstemon seed is that it needs a period of at least six months to dry. in 4 wks, move to 60F (16C) , ( 18x? (4C), move to 60F (16C) for germ. Because of the reduced moisture, they may not be able to develop deep enough roots over the winter, which can lead to weak or even dead plants in the spring. blue , dryland , yes moist woodland Firecracker Penstemon is highly drought tolerant and stunning in mass plantings. ), , ( 8x? The seeds will germinate best in cool conditions so plant seeds in the late fall or early winter in a site with full sun and good drainage. Penstemon is a perennial, herbaceous plant. for germ. if no germ. Keep in cooler conditions after germination occurs. 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