Penstemon rydbergii

Penstemon rydbergii

Blue mountain penstemon

Low to moderate water requirement; full sun to partial shade. Perennial, relatively short penstemon growing 8 to 24 inches. Produces clusters or whorls of blue-violet funnel shaped flowers. Frequently occurs on dry mountain slopes in the mid to upper elevations.

Varieties: 

Species Attributes

Height: 
- 24 
in.
Life Form: 
Perennial
Native or Introduced: 
Native
Precipitation: 
Low - 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: 
Marginal
Seeding Rate: 
- 2 
PLS lbs/Acre
Pure Seed per Bushel: 
28.80 lbs.
Seeds per Pound: 
850,000
Germination Time: 
Days
Mycorrhizal Dependent: 
Yes
Bloom Color: 
Blue - Violet
Blooming Season: 
Summer