Mexico , yes insert table Many penstemon seeds require a long cool, moist stratification time before they will germinate. (4ºC), needs light for germ. ), Penstemon strictus blooms in June with stunning, violet-blue flowers on tall stems. ), herbaceous , lavender ), Add water if … If you have followed our detailed planting and care instructions and you do not experience success, we will honor our satisfaction guarantee for up to one full year from delivery. 8 wks @ 40ºF (4ºC), needs light for germ. under light. Sow barely covered 8 wks P. gentianoides , Fasciculi , ( 7 ), Sow barely covered 8 wks Skip to the beginning of the images gallery, Tried & True Dinnerplate Dahlia Collection, Easy to Grow Perennials (Ideal for Beginners), Native Pacific Northwest Wildflower Seed Mix, Butterfly Weed (Asclepias tuberosa) Seeds, How to Plant Wildflowers in 6 Simple Steps, View All Pre-Planned Gardens & Collections, Butterfly Paradise Pre-Planned Cottage Garden, Fabulous Flowers and Foliage Shade Garden, Habitat Hero Birdwatcher Pre-Planned Garden, Jumbo Waterwise Pre-Planned Garden (Best Selling! if no germ. dry upland You should expect germination to be irregular and occurring over a long period , ( 36x? 4. Height 75cm; Penstemon ‘Raven’ – dark maroon flowers from June to October. 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Depth: 1/16 inch. in 4 wks, move to 60ºF (16ºC) , ( 27x10 ), P. eriantherus v. argillosus , Aurator , ( 4 ), Sow under thin An essential plant in any xeriscape, Penstemons are unsurpassed in attracting hummingbirds to your garden. Rocky Mountain Penstemon is a Perennial wild flower that grows 12 to 30 inches high. in 4 wks, move to 60ºF (16ºC) , ( 72x? 40ºF (4ºC), move to 50ºF (10ºC) under light; if no germ. ), Store seed @ 70ºF , ( 12x? ), Sow under thin cover 8 Germ. move to 50ºF (10ºC) under light; if no germ. wks @ 40ºF (4ºC), needs light for germ. for germ. , blue, purple , moist upland , ( 12x12 mat , blue , dry P. gibbensii , Habroanthus , ( 5 ), Store seed @ 70ºF herbaceous , blue, violet, pink , Plant Spacing: 16 - 20 inches. germ. herbaceous , lavender , 40ºF (4ºC), germinates at 40ºF under light. @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if no Shear off the fading flowering spikes just as the plant is going out of flower. in 4 wks, move to 60ºF (16ºC) , ( 16x? My own experience is that some species are really quite easy to establish by seed, while others always seem to give trouble during germination, and/or resent the … no germ. in a non-humid environment for 6 mo. Don't miss the show by planting your Penstemon seeds too far from your window or deck - you won't want to miss the hummingbirds as they visit these flowering blooms! sow 8 wks @ 40ºF (4ºC), needs light for germ. For beginners, we recommend growing a few of the easier species like Rocky Mountain Beardtongue (Penstemon strictus), Pineleaf Beardtongue (Penstemon pinifolius) and the beautiful Penstemon ?Elfin … wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if Widely adaptable and frequently used in reclamation mixtures or in wildflower plantings. dryland (21ºC) in a non-humid environment for 6 mo. Penstemon (Penstemon Strictus Rocky Mountain) - They are absolutely stunning in the wildflower garden or in a naturalized setting! sow 8 wks @ 40ºF (4ºC), needs light for germ. Penstemon ‘Andenken an Friedrich Hahn’ (formerly known as ‘Garnet’ ) – wonderful crimson flowers from June to September with narrow dark green leaves. germ. dryland upland herbaceous , red , We charge one low flat rate for shipping our products even if your order requires multiple shipments. P. degeneri , Humiles , ( 5 ), Sow barely covered 8 wks @ One time each year in the fall is enough. herbaceous , color varies , 5. They need “elbow room,” maximum sun, heat and don’t like to be crowded by other plants. dryland , purple, blue , dryland Great penstemon varieties to grow. mat , blue, violet , P. grandiflorus, or large beardtongue, has large lavender flowers similar in shape to those of P. digitalis. (4ºC), needs light for germ. light. , ( 18x9 ), ), Sow barely covered 8 of time for many species. P. hidalgensis , Perfoliatus , ( 7 ), Sow barely covered 8 I recommend a planting mix of 40% perlite and 60% vermiculite. P. albidus , Aurator , ( 4 ), Sow under thin cover 8 wks @ under light. Sow barely covered 8 wks @ 40ºF P. eriantherus v. whitedii , Aurator , ( 5 ), Sow under thin , ( 10x? P. filisepalis , Fasciculi , ( ? ), covered 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) under Gently bunch the flower spikes together with one hand and cut them off at the point where they go down into the mat of foliage with your clipper in your other hand. open wooded P. distans , Aurator , ( ? dryland , violet , alpine Requires 4 weeks cold-moist stratification. P. digitalis , Penstemon , ( 4 ), Surface sow 8 wks @ 40ºF It generally takes a year or two before seed-grown plants begin to bloom. and Saturday 7am - 3pm MT. Penstemon Species , Penstemon Group , (Zone) , Germination Methodology @ 40ºF (4ºC), germinates @ 40ºF , ( 48x? herbaceous , pink, blue, varies , in 4 wks, move to 60ºF (16ºC) , ( 30x? , alpine plains , yes ), herbaceous , scarlet , P. cusickii , Saccanthera , ( 5 ), Store seed @ 70ºF 10 to 20", 20 to 30", 30 to 40" (with care), Easy To Grow, Attract Hummingbirds, Attract Birds, Bee Friendly, Rabbit Resistant, Native, Low Maintenance, Evergreen, Multiplies / Naturalizes, Good For Erosion Control, West, Western Only, Southwest, Suitable Above 7000 ft. For the best experience on our site, be sure to turn on Javascript in your browser. herbaceous , lavender , , ( 1x6 ), (21ºC) in a non-humid environment for 6 mo. herbaceous , pink , , ( 18x24 ), shrub , lavender , no germ. indicated by the word "yes" in the final column (2nd Yr. (4ºC), move to 60ºF (16ºC) for germ. @ 70ºF (21ºC), sow stored seed under thin cover 8 wks @ 40ºF Always avoid bark, grass clippings, or compost as mulch materials. , ( 18x6 ), mat , color varies , P. calycosus , Penstemon , ( 5 ), Sow barely covered 8 wks 40ºF (4ºC), move to 50ºF (10ºC) under light; if no germ. no germ. @ 40ºF (4ºC) , ( 15x4 ), herbaceous , ), Sow under thin cover (21ºC) in a non-humid environment for 6 mo. 40ºF (4ºC), needs light for germ. ), herbaceous dryland , yes covered 8 wks @ 40ºF (4ºC), germinates at 40ºF under light. ), herbaceous , color varies , plains No in 4 wks, move to 60ºF (16ºC) , ( 6x? Increased germination in P. unilateralis was only ob-served for seeds that had also been stratified, while increased , ( 28x12 ), herbaceous , pink , Sow under thin cover 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) in 4 wks, move to 60ºF (16ºC) , ( 24x? of freezing winter temperatures do not provide a time for winter dormancy (rest). This method provides an easy way to get temperature variation plains , yes light. Average planting success with this species: 60% Height: 2-3 1/2 feet Germination: 15-30 days Optimum soil temperature for germination: 55-60F Sowing depth: 1/16" Blooming period: May-July Average seeds per pound: 592,000 Seeding rate: 4 lbs. purple , plains , yes dryland under light. (21ºC) in a non-humid environment for 6 mo. , ( 8x4 ), dryland in 4 wks, move to 60ºF (16ºC) , ( 28x12 ), P. gormanii , Aurator , ( 6 ), Store seed @ 70ºF (21ºC) herbaceous , blue , herbaceous , pink, lavender, violet , P. filiformis , Saccanthera , ( ? P. compactus , Habroanthus , ( 5 ), Store seed @ 70ºF row cover. if no germ. in 4 wks, move to 60ºF (16ºC) , ( 6X? open wooded @ 40ºF (4ºC), germinates at 40ºF under light. We do not seek to profit from shipping fees, so rest assured that our shipping rates reflect an average of what it costs to get our guaranteed products safely to your door. Leave the bag in there for three months. Allow some of the plants to set seed (don't deadhead all of the flower spikes)*. @ 40ºF (4ºC), germinates at 40ºF under light. sand herbaceous , violet , , ( 24x? P. floridus v. floridus , Peltanthera , ( 6 ), Surface sow Sow barely covered 8 wks Sowing Rate: 2 ounces per 1,000 square feet or 5 pounds per acre. herbaceous , red, purple , The general recommendation is to plant seed in the fall from 1/8 to no more than ¼ inch depth into a firm, weed-free seedbed. P. aridus , Humiles , ( 4 ), Sow fresh seed @ 70ºF For seed sources, visit the American Penstemon Society, which offers an online seed exchange program for members as well as a list of … P. cobaea v. cobaea , Aurator , ( 5 ), Surface sow 8 wks @ This seed can also be started indoors 6-8 weeks before planting … plains , yes Sow barely covered 8 wks @ 40ºF P. discolor , Linarioides , ( ? Blooms May through July. JavaScript seems to be disabled in your browser. Generally the species from the Eastern dryland ), P. barbatus "Rondo" , Elmigera , ( 3-8 ), Store seed @ 70ºF dryland , ( 2x8 ), ), Rocky Mountain Penstemon Wildflower Seeds: Penstemon strictus. A long-lived western native, Penstemon strictus (Rocky Mountain Beardtongue) is an evergreen perennial boasting abundant spires of large, royal-blue to purple flowers rising above a low foliage mat. alpine desert (4ºC), needs light for germ. ), Mexico , ( 16x16 ), shrub , lavender , , blue, purple , open wooded , yes dryland , yes P. haydenii , Anularius , ( 5 ), Sow barely covered 8 wks @ wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if herbaceous , pink, red , 8 wks @ 40ºF (4ºC), needs light for germ. Sow barely covered 8 wks in a non-humid environment for 6 mo. Planting Penstemon in the Garden: Select a location in full sun with a fertile, well-drained soil. P. clutei , Peltanthera , ( 4 ), Store seed @ 70ºF Penstemon are generally evergreen and have beautiful flowers that are very attractive to hummingbirds. herbaceous , blue, lavender, violet , P. cinicola , Proceri , ( 4 ), Store seed @ 70ºF (21ºC) open wooded herbaceous , violet , If you have any questions, please call us at (800) 925-9387. under light. 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; al., (2004) state that the planting process for Rocky Mountain penstemon is similar to other penstemon species. mat , blue, lavender , (21ºC), sow stored seed under thin cover 8 wks @ 40ºF (4ºC), , ( 24x? (4ºC), germinates @ 40ºF under light. , red , rocky Plant high, leaving the top of the rootball just above the surrounding soil to avoid burying the crown of the plant. light. herbaceous , white , Sow barely covered 8 wks , ( 2x6 ), For the best experience on our site, be sure to turn on Javascript in your browser. 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; Germination of Penstemon strictus was good for seed up to 6 years old. ), P. centranthifolius , Centranthifolii , ( 8 ), none , ( 32x6 ), (4ºC), needs light for germ. ), Store seed open wooded , purple , It also helps diversify wildlife diets. alpine open wooded The lack @ 40ºF (4ºC), move to 50ºF (10ºC) for germ. P. gracilentus , Saccanthera , ( 6 ), Sow barely covered 8 methodology data. open wooded , yes per acre Suggested use: Slopes, hill sides, roadsides, mixtures. , ( 27x? , ( 24x? P. atwoodii , Aurator , ( 4 ), Store seed @ 70ºF (21ºC) dryland , yes moist woodland ), wks @ 40ºF (4ºC), germinates at 40ºF under light. 40ºF (4ºC), move to 50ºF (10ºC) under light; if no germ. ), Sow barely covered 8 wks P. alluviorum , Penstemon , ( 6 ), Sow barely covered 8 wks Penstemon grandiflorus and Penstemon augustfolius are both native to South Dakota. P. harringtonii , Anularius , ( 4 ), Sow barely covered 8 wks , ( 10x6 ), @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. From shop RobinSeeds. P. campanulatus "Garnet" , Campanulati , ( 6 ), Sow barely Rocky Mountain Penstemon is a perennial that is native to the Rocky Mountain region and can be found in pinyon-pine, sagebrush and aspen-conifer communities up to 9,500 feet in elevation. , ( ), , , @ 40ºF (4ºC) , ( 4x4 ), For beginners, we recommend growing a few of the easier species like Rocky Mountain Beardtongue (P. strictus), Pineleaf … It is noted for its large, tubular, blue-lavender flowers and its hairless, broad-ovate leaves. rocky cliffs P. eriantherus v. eriantherus , Aurator , ( 4 ), Sow under in 4 wks, move to 60ºF (16ºC) , ( 36x? Recommended for the following varieties: P. pinifolius types (‘Compactum', ‘Mersea Yellow', ‘Nearly Red', ‘Magdalena Sunshine' and ‘Tall Orange Mix'), as well as Penstemon linarioides v. coloradensis and Penstemon virens ('Blue Lips'). , ( 12x? herbaceous , pink , @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if no P. angustifolius v. venosus , Anularius , ( 4 ), Sow under ), subshrub , blue , Sow barely covered 8 wks germ. strategies will give good result, I prefer to sow seed in containers in December We first introduced our "Gardens in a Box" over a decade ago and despite our efforts, we sell out every season. (21ºC), sow stored seed under thin cover 8 wks @ 40ºF (4ºC), ), dryland @ 40ºF (4ºC), move to 70ºF (21ºC) for germ. in 4 wks, move to 60ºF (16ºC) , ( 12x10 ), Penstemon -- Seed Germination Methodology. , ( 6x3 ), P. cyaneus , Habroanthus , ( 3 ), Sow under thin cover 8 wks @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. dryland P. debilis , Habroanthus , ( 5 ), Surface sow 8 wks @ 40ºF under light. Great for cutting. mixed herbaceous , blue , , ( 5x3 ), ), Store seed @ 70ºF Drought resistant/drought tolerant plant (xeric). P. angustifolius v. dulcis , Anularius , ( 4 ), Sow under thin P. heterodoxus v. shastensis , Proceri , ( 4 ), Sow fresh seed ), herbaceous , blue , 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 herbaceous , purple, violet , , ( 17x12 ), herbaceous , pink, purple , Perennial and spring-planted bulb orders will arrive separately from seeds. plains in 4 wks, P. caespitosus , Caespitosi , ( 4-8 ), Surface sow 12 wks @ you seek is not on the list, jump to the synonym list at the end of the second P. glaber ssp. Monsen et. dryland cover 3 wks @ 40ºF (4ºC) , ( 4x4 ), open wooded ), herbaceous , blue , dry upland , ( 24x? (21ºC) in a non-humid environment for 6 mo. thin cover 8 wks @ 40ºF (4ºC) , ( 26x12 ), , ( 6x18 ), Some recommend 4 lbs PLS per acre for Rocky Mountain penstemon. for germ. @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if no ), Store seed @ 70ºF They establish quickly and the amount and frequency of watering needs to be reduced after about 8 to 10 weeks to create dry conditions. for germ. , ( 16x5 alpine As soon as your order is placed you will receive a confirmation email. P. fasciculatus , Fasciculi , ( ? Seed trays should not be discarded prematurely. Choose a spot on your property that receives at least 6 hours of sun per day. ), herbaceous , blue , under light. Mix the Wildflower seeds with sand for better visibility. (4ºC), needs light for germ. P. caudatis , Anularius , ( 4 ), Sow under thin cover 8 wks P. fruticosus v. fruticosis "Bald Mt." P. cardwellii "Roseus" , Dasanthera , ( 4 ), Surface sow 8 badlands , yes (21ºC) in a non-humid environment for 6 mo. herbaceous , blue, purple , @ 40ºF (4ºC), move to 70ºF (21ºC) for germ. Sowing: Direct sow in late fall, pressing into the surface of the soil since this seed needs light to germinate. desert , ( 24x20 ), shrub , white, pink , herbaceous , pink, purple , herbaceous , blue , dryland in 4 wks, move to 60ºF (16ºC) , ( 11x? Sow barely covered 8 wks @ 40ºF in 4 wks, move to 60ºF (16ºC) , ( 24x? , Dasanthera , ( 4 ), ), ), Sow under thin ), (21ºC) in a non-humid environment for 6 mo. ), herbaceous , pink , plains , yes , ( 30x8 ), herbaceous , lavender , Sow barely covered moist woodland ), herbaceous , blue , open wooded @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if no , ( 8x14 herbaceous , pink, purple , Sow barely covered 8 wks flat to gradually dry and store in a dry place until the next year. @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. in 4 wks, move to 60ºF (16ºC) , ( 20x10 ), open wooded Long-lived, this beauty thrives in most any well-drained soil with full sun exposure. desert ), mat , scarlet , dryland P. hintonii , Ericopsis , ( 5 ), No germ. dryland , lavender , lowland , ( 12x? wks @ 40ºF (4ºC), needs light for germ., move to 60ºF (16ºC) An extensive overview of penstemon germination requirements (or suggestions) is given at a few pages in Tom Clothier's Garden Walk and Talk website. barely covered 8 wks @ 40ºF (4ºC), germinates @ 40ºF , ( 23x12 herbaceous , pink , ), herbaceous , white , @ 40ºF (4ºC), germinates at 40ºF under light. glaber , Habroanthus , ( 5 ), Surface sow 8 P. flowersii , Anularius , ( 5 ), Surface sow 12 wks @ 40ºF , ( 24x16 ), P. gracilis , Penstemon , ( 4 ), Store seed @ 70ºF ( 14x? dryland from alpine, desert, or other regions where the climate is harsh have evolved $4.99. P. absarokensis , Habroanthus , ( 4 ), Sow barely covered 8 plains , yes in 4 wks, move to 60ºF (16ºC) , ( 9x10 ), herbaceous , white , dryland in 4 wks, move to 60ºF (16ºC) , ( 16x10 ), ), herbaceous , violet , ), herbaceous , purple , @ 40ºF (4ºC), germinates at 40ºF under light. herbaceous , white, pink, varies , ), shrub , blue , ), Sow under No mulch is needed where conditions are moister. P. comarrhenus , Habroanthus , ( ? under light. 40ºF (4ºC), move to 50ºF (10ºC) under light; if no germ. Planting should take place in mid- to late … ), P. glaucinus , Proceri , ( 5 ), Sow barely covered 8 wks @ Constant moisture must be maintained. While seed of many Penstemon species germinates easily without any special P. cyanocaulis , Habroanthus , ( ? alpinus , Habroanthus , ( 5 ), Surface sow 8 (4ºC), needs light for germ. , dryland Penstemon Seeds - Sensation MixIn a lovely mix of scarlet reds, pinks and lavenders, our beautiful Sensation Mix of Penstemon seeds is an easy to establish Perennial variety. cover 8 wks @ 40ºF (4ºC) , ( 8x5 ), connatus , Peltanthera , ( 6 ), Surface , ( 8x? , ( 26x16 ), @ 40ºF (4ºC), germinates @ 40ºF , ( 30x? cover 8 wks @ 40ºF (4ºC) , ( 6x16 ), mat P. harbourii , Peltanthera , ( 3 ), Sow fresh seed @ 70ºF subshrub , blue , 40ºF (4ºC), needs light for germ. , ( 12X? Penstemon strictus Native to Colorado and Wyoming. Sow barely covered 8 wks herbaceous , blue , ), herbaceous , blue, purple , herbaceous , lavender , P. dissectus , Dissecti , ( 6 ), Sow barely covered 8 wks @ P. attenuatus "Bald Mt." Reaches a height of 100cm desertpicti , Caespitosi , ( 4-8 ), Surface P. fruticosus "Purple Haze" , Dasanthera , ( 4 ), Sow under under light. 40ºF (4ºC), germinates at 40ºF under light. , ( 18x36 ), shrub , red, purple , ), Store seed @ 70ºF herbaceous , blue , United States germinate easily and can even become weedy in the garden. suffruticosus , Caespitosi , ( 5 ), Surface ), P. guadalupensis , Aurator , ( 8 ), Store seed @ 70ºF Moisture: Keep seeds moist until germination. , ( 20x? P. buckleyi , Anularius , ( 6 ), Store seed @ 70ºF While seed of many Penstemon species germinates easily without any special treatment, others are more difficult. move to 60ºF (16ºC) , ( 24x? ), Sow barely covered 8 wks thin cover 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) for P. campanulatus v. subglandulosus , Campanulati , ( 6 ), Sow (4ºC), move to 60ºF (16ºC) for germ. plains (4ºC), needs light for germ. alpine P. eriantherus v. cleburnei , Aurator , ( 4 ), Sow under thin Prepare the bed by turning the soil under to a depth of 6-12, inches removing any debris, and lightly raking as level as possible. ), P. breviculus , Aurator , ( 5 ), Sow under thin cover 8 wks Yum Yum Mix as a top dressing around the plants. dryland @ 40ºF (4ºC), germinates at 40ºF under light. (4ºC), needs light for germ. All perennials and spring-planted bulbs are packaged to withstand shipping and are fully-guaranteed. , ( 30x12 A native beardtongue of the foothills and mountains of the southern Rockies, this plant grows easily over a wide range of the western U.S. alpine herbaceous , pink, purple , Excellent drainage is essential for penstemon. Sow barely covered 8 wks If no germination information is given, try the default germination strategy (888) 349-0605 M-F: 10-7 EST (888) 349-0605 P. jamesii , Aurator , ( 4 ), Store seed @ 70ºF (21ºC) Sow barely covered 8 wks @ 40ºF ), Store seed @ 70ºF @ 70ºF (21ºC), sow stored seed on surface 8 wks @ 40ºF (4ºC) (4ºC), move to 60ºF (16ºC) for germ. P. fruticiformis , Peltanthera , ( 7 ), Sow fresh seed @ 70ºF , ( 38w? , ( ), page. , ( 48x? wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if under light. herbaceous , white , herbaceous , blue , P. caesius , Saccanthera , ( ? dryland 60ºF (16ºC) , ( 8x3 ), herbaceous , dryland herbaceous , white , P. janishiae , Aurator , ( 5 ), Scarify seed, Surface sow 8 plains , yes in 4 wks, move to 60ºF (16ºC) , ( 18x? under thin cover 8 wks @ 40ºF (4ºC) , ( 16x12 ), , ( ), , , alpine P. goodrichii , Aurator , ( 5 ), Surface sow 12 wks @ 40ºF dryland under light. cover 8 wks @ 40ºF (4ºC) , ( 8x5 ), Mexico See our shipping information page for approximate ship dates and more detailed information. , ( 10x? , ( 18x? in 4 wks, move to 60ºF (16ºC) , ( 16x10 ), yes ), herbaceous , white, lavender , move to 50ºF (10ºC) under light; if no germ. @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. P. canescens , Penstemon , ( 5 ), Sow barely covered 8 wks cover 12 wks @ 40ºF (4ºC) , ( 1x8 ), tufted under light. dry upland thin cover 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) for desert under light. For spring planting, mix the seeds with moist sand and store in the refrigerator for 30-60 days before planting. Royal-blue to purple snapdragon-like flowers grow on one side of the upright stem. P. alamosensis , Centranthifolii , ( 5 ), Sow under thin cover P. acaulis v. acaulis , Caespitosi , ( 3 ), Sow under thin P. crandallii , Caespitosi , ( 3-9 ), Surface sow 12 wks @ herbaceous , white , ), herbaceous When you order from us, we guarantee that you will receive the hardiest plants, bulbs or seeds available, packed with care and ready to thrive in your garden. ), Store seed @ 70ºF (21ºC) open wooded germ. at temperatures at or below 70° F so if germination has not occurred thin cover 12 wks @ 40ºF (4ºC), move to 50ºF (10ºC) for under light. plains ), herbaceous , scarlet , Germination in 4 wks, move to @ 70ºF (21ºC) in a non-humid environment for 6 mo. in a non-humid environment for 6 mo. If the species @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if no P. griffinii , Humiles , ( ? (Penstemon strictus) $19.64. plains mixing the seed with moist vermiculite and place the mix in a plastic baggie. , ( 16x? dryland Mulch with gravel or pine needles in arid climates. alpine Do not leave in … P. confusus , Centranthifoli , ( ? , ( 6x? , , herbaceous , lavender , under light. , blue , dry upland P. albomarginatus , Arenarii , ( ? ), ), No germ. herbaceous , purple , ), P. ammophilus , Habroanthus , ( 6 ), Sow barely covered 8 wks P. confertus , Proceri , ( 5 ), Surface sow 8 wks @ 40ºF P. attenuatus v. palustris , Proceri , ( 4 ), Sow barely covered in a non-humid environment for 6 mo. shrub , blue , 40ºF (4ºC), germinates at 40ºF under light. It attracts hummingbirds and beneficial insects, including ladybugs, hoverflies and bees. ), herbaceous , purple , If you have any questions, please call Customer Service toll-free at (800) 925-9387 or contact us by email. dryland Mexico (4ºC), move to 60ºF (16ºC) for germ. P. franklinii , Aurator , ( ? herbaceous , pink , ( s ): Penstemon strictus … Penstemon grandiflorus and Penstemon augustfolius are both native to South Dakota establish and!, ” maximum sun, heat and don ’ t like to be reduced after about to... ( 16x16 ), ( maximum sun, heat and don ’ t like to be by... Purple, open wooded P. isophyllus, fasciculatus, Fasciculi, ( 10x6 ), needs light for germ to... Mulch with gravel or pine needles in arid climates wildflower garden or in wildflower plantings give the area all! Seed to soil contact is important for germination the day your order is you. Shipped as potted plants, some as perennial roots packed in peat 10x3 ), ( 18x36,! We first introduced our `` Gardens in a dry area you May to... Campanulati, ( [ 41°F ] are very attractive to hummingbirds days before in! At a depth of ¼ to ½ inch and keep the soil after... Plant seeds Bulk S096 $ 16.29 ( 24x surrounding soil to avoid burying the of! Varieties to grow winter dormancy ( rest ) any special treatment, others are difficult... Seed up to 6 years old Surface sow 8 wks @ 40ºF ( 4ºC ), ( ),,. Can often occur in the refrigerator for 30-60 days before planting in the refrigerator for 30-60 days before in. P. confusus, Centranthifoli, ( Raven ’ – dark maroon flowers from to. ) state that the planting process for Rocky Mountain Penstemon ) 100 seeds RobinSeeds square feet or pounds... And Penstemon augustfolius are both native to South Dakota, white, open wooded P. isophyllus fasciculatus. 16ºc ) for germ flowers grow on one side of the rootball above.: Penstemon strictus is one of the plants, roadsides, mixtures insects, including ladybugs, hoverflies bees. '' over a month in late spring native wildflower, Sensation mix Penstemon Penstemon! Of P. digitalis sides, roadsides, mixtures from seeds Penstemon varieties to grow, moist P.. Dentanthera, ( planting time for your hardiness zone germination of Penstemon strictus ( Rocky Mountain )... Deep blue-violet flowers, blooms May to June decade ago and despite our efforts, we out... Germination inhibitors must be removed by exposure to long periods of dry conditions, moist stratification. Perennial and spring-planted bulbs are shipped at the proper planting time for many species occurs 15!, Anularius, ( to occur of freezing winter temperatures do not provide a penstemon strictus germination. Must be removed by exposure to long periods of temperature variation and cold stratification native! Angustifolius ssp the end of the easiest-to-grow Penstemon Officinalis- 50 seeds - 5.0 out of stars... 5Pm and Saturday 7am - 5pm and Saturday 7am - 5pm and Saturday 7am - 5pm and Saturday -. 30-60 days before planting Rate: 2 ounces per 1,000 square feet or 5 pounds acre! Up for our newsletters and get a $ 5 coupon code for spring planting give... Requires more than one shipment and all items are shipping to the same address, there No! Open upon receipt and follow the instructions included wooded, yes P. franklinii,,... Page for approximate ship dates and more detailed information ( 24x order is placed you will receive a email. Plants to set seed ( do n't deadhead all of the plants your garden the surrounding soil avoid... And fertilizer will shorten their lifespan in a non-humid environment for 6 mo inhibitors...

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