Penstemon Seeds - Diane's Flower Seeds
Penstemon angustifolius
Penstemon angustifolius
(Narrowleaf Beardtongue)

300 seeds   $2.25 
Penstemon angustifolius is a relatively short species with lavender-blue flowers in early summer. It's perfect for the rock garden or the edge of a path where you can admire the flowers up close. Also suitable for containers.

Like most species, Penstemon angustifolius overwinters best when it has very well-drained soil. Drought tolerant.

Requires 8 weeks cold-moist stratification. Hardy in zones 4-9.

height 12"
spacing 10"     


Penstemon Seeds

Penstemon, also known as Beardtongue, is a flowering perennial that blooms in a wide range of colors. The tubular flowers attract hummingbirds.

Sowing Penstemon Seeds

Start penstemon seeds indoors in late winter. Barely cover the seeds with soil, then refrigerate for the number of weeks required by the particular species.

Penstemon calycosus Calico Beardtongue
Penstemon calycosus
(Calico Beardtongue)

800 seeds   $2.25 
Penstemon calycosus is a beautiful species with light purple flowers in early summer. It is native to the eastern United States.

Like Penstemon digitalis, Penstemon calycosus tolerates part shade and more moisture than other penstemon species. It self sows nicely.

Requires 8 weeks cold-moist stratification. Hardy in zones 3-9.  

height 24"  
spacing 12" 

 
Penstemon cobaea Showy Beardtongue
Penstemon cobaea
(Showy Beardtongue)

170 seeds   $2.25 
Penstemon cobaea has large, light to dark purple flowers that bloom in early to mid summer. It is one of the showiest of the penstemon species. It makes a nice companion plant for roses.

Penstemon cobaea is more shade tolerant than most other species. The large tubular flowers are attractive to hummingbirds.

Requires 8 weeks cold-moist stratification. Hardy in zones 4-9.

height 24" 
spacing 12"    


Penstemon eatonii
Penstemon eatonii
(Firecracker Beardtongue)

115 seeds   $2.25
Penstemon eatonii is a hummingbird favorite. The brilliant, scarlet-red flowers bloom in early summer. The ripening seeds provide food for birds.

Plant Penstemon eatonii with other early-blooming perennials like Papaver atlanticum and Gaura lindheimeri.

Penstemon eatonii is drought-tolerant. It needs full sun and well-drained soil. Also known as Eaton's Penstemon and Firecracker Penstemon. Deer resistant.

Requires 8 weeks cold-moist stratification. Hardy in zones 4-9.

height 24"      
spacing 12" 


Penstemon grandiflorus
Penstemon grandiflorus
(Shell Leaf Beardtongue)

200 seeds   $2.25                  
Penstemon grandiflorus has large lavender or pink flowers that attract hummingbirds. The blue-green leaves are shaped like shells.

Penstemon grandiflorus is one of the hardiest and showiest penstemons. It is relatively easy to grow, tolerating more moisture than most species. Of course, it still needs well-drained soil, and it may require staking in wet weather because the flowering stems are heavy. Native to the Great Plains.

Requires 6 weeks cold-moist stratification. Hardy in zones 4-9.

height 30"
spacing 12"    


Penstemon hirsutus
Penstemon hirsutus
(Hairy Beardtongue)

1600 seeds   $2.25          
Penstemon hirsutus blooms in late spring to early summer with elegant lavender and white flowers. This is a medium-height penstemon with bushy growth and soft green leaves. It's good choice for the rock garden.

Penstemon hirsutus is drought tolerant and needs well-drained soil, but it's one of the easiest penstemons to grow. It self sows very nicely in my garden.

Requires 3-4 weeks cold-moist stratification. Hardy in zones 4-9. 

height 24"   
spacing 12"     


Penstemon Husker Red
Penstemon 'Husker Red'
(Foxglove Beardtongue)

250 seeds   $2.50              
Husker Red penstemon has bronze-red foliage and airy spikes of pale pink flowers in June. The new spring foliage looks great with daffoldils and tulips. In the fall, it turns a warmer shade of red.

Penstemon digitalis 'Husker Red' was named Perennial Plant of the Year in 1996. It tolerates more moisture than most penstemon species. It prefers slightly moist, well-drained soil in full sun to part shade.

Requires 4 weeks cold-moist stratification. Hardy in zones 3-9.

height 30"      
spacing 12" 

 
Penstemon palmeri
Penstemon palmeri
(Palmer's Beardtongue)

500 seeds   $2.25 
Penstemon palmeri is one of the showiest penstemons. It blooms from May to July with tall spikes of large, light pink flowers that attract hummingbirds and bumblebees. The fragrant flowers smell like grapes. Nice for cutting.

Penstemon palmeri is heat and drought tolerant. It needs full sun and well-drained soil. Native to the Western United States. Deer resistant.

Requires 6 weeks cold-moist stratification. Hardy in zones 4-9.

height 3-4'   
spacing 15"    


Penstemon payettensis
Penstemon payettensis
(Payette Beardtongue)

100 seeds   $2.25                
Penstemon payettensis looks so much like Penstemon strictus that I can hardly tell them apart. It has deep violet-blue flowers in June. The vivid flowers are good for attracting hummingbirds.

Penstemon payettensis is a tall species that grows happily in regular, well-drained garden soil. It doesn't seem too fussy, and it self-sows moderately.

Requires 4 weeks cold-moist stratification. Hardy in zones 4-9.

height 30"        
spacing 12"  


Penstemon paysoniorum
Penstemon paysoniorum
(Payson's Beardtongue)

50 seeds   $2.75                  
This rare penstemon is native to Wyoming. The lavender-blue flowers bloom in early summer. It's a great plant for the rock garden.

Penstemon paysoniorum blooms prolifically on stems that are wind tolerant. After a wind storm this summer, many stems were broken off a nearby Penstemon strictus, but this plant was fine. Drought tolerant.

Requires 12 weeks cold-moist stratification. Hardy perennial in zones 4-9.

height 12" 
spacing 12"  

 
Penstemon strictus
Penstemon strictus
(Rocky Mountain Beardtongue)

200 seeds   $2.25          
Penstemon strictus blooms in June with stunning, violet-blue flowers on tall stems. It looks fabulous with everything in the garden. It makes a lovely companion plant for roses. Great for cutting.

Penstemon strictus is one of the most popular species. It is relatively easy to grow for a penstemon. It attracts hummingbirds and beneficial insects, including ladybugs, hoverflies and bees.

Requires 4 weeks cold-moist stratification. Hardy in zones 4-9.

height 30" 
spacing 12" 


Penstemon tubaeflorus
Penstemon tubaeflorus
(White Plains Beardtongue)

500 seeds   $2.25          
Penstemon tubaeflorus has pure white flowers on tall stems in early summer. It is native to the Great Plains, so it tolerates a fair amount of moisture. This species is a lovely garden plant that looks good with everything. Nice for cutting.

One day I saw Penstemon tubaeflorus after a hard rain storm, and it wasn't even phased. Hundreds of water droplets hung from the flowering stems, sparkling like diamonds!

Requires 6 weeks cold-moist stratification. Hardy in zones 4-9.

height 40"
spacing 15"


Penstemon 'Sunburst Ruby' has bright, lipstick-red flowers with white throats. The tubular flowers bloom for a long time in summer, attracting hummingbirds.

Penstemon mexicali 'Sunburst Ruby' is a new selection introduced by Jelitto Seeds. Deadhead to promote longer blooming.

Requires 3-6 weeks cold-moist stratification. Hardy in zones 5-9.

height 18"
spacing 15"

Perennial Flower Seeds

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Link to picture of
Penstemon 'Sunburst Ruby'
Penstemon 'Sunburst Ruby'
(Penstemon x mexicali)

50 seeds   $3.00