Penstemon subglaber

Penstemon subglaber

Great Basin penstemon

Low to moderately drought tolerant; partial shade. Perennial with deep blue blossoms forming as clusters on sparse flowering stalks. This plant is found on variable sites from grassy bottomlands and sagebrush flats to dry, rocky ridges and exposed sage, oak or aspen slopes, generally from 5,800 to 9,500 feet.

Varieties: 

Species Attributes

Height: 
10 
- 28 
in.
Life Form: 
Perennial
Native or Introduced: 
Native
Precipitation: 
Low - Moderate
Sun & Shade Tolerance: 
Part Sun
Elevation: 
5,800 
- 9,500 
ft.

Soil Texture

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

Soil pH

Acidic: 
Marginal
Neutral: 
Best
Basic: 
Not Adapted
Seeding Rate: 
- 4 
PLS lbs/Acre
Pure Seed per Bushel: 
42.90 lbs.
Seeds per Pound: 
405,000
Germination Time: 
Days
Mycorrhizal Dependent: 
Yes
Bloom Color: 
Blue - Purple
Blooming Season: 
Summer