Penstemon grandiflorus

Penstemon grandiflorus

Large-flowered penstemon (beardtongue)

Formerly known as Penstemon bradburii. Moderate water requirement; full sun to part shade. Perennial with large white to pale pink flowers, blooms May to June throughout the Great Plains. Spectacular when seen in large colonies. Prefers woodlands or sandy plains but is widely adaptable.

Varieties: 

Species Attributes

Height: 
24 
- 48 
in.
Life Form: 
Perennial
Native or Introduced: 
Native
Precipitation: 
Moderate
Sun & Shade Tolerance: 
Full Sun
Part Sun
Elevation: 
ft.

Soil Texture

Coarse: 
Not Adapted
Moderately Coarse: 
Average
Medium: 
Best
Moderately Fine: 
Average
Fine: 
Not Adapted

Soil pH

Acidic: 
Not Adapted
Neutral: 
Best
Basic: 
Not Adapted
Seeding Rate: 
- 4 
PLS lbs/Acre
Pure Seed per Bushel: 
15.90 lbs.
Seeds per Pound: 
550,000
Germination Time: 
Days
Mycorrhizal Dependent: 
Yes
Bloom Color: 
Pink - White
Blooming Season: 
Spring
Summer