Penstemon strictus

Penstemon strictus

Rocky Mountain penstemon

Previous scientific name(s): Penstemon strictus ssp. angustus

Low to moderate water requirement; full sun to partial shade. Perennial with deep blueviolet flowers, blooms May to June. Occurs in rocky to sandy loam soils. Widely adaptable and frequently used in reclamation mixtures or in wildflower plantings.

Varieties: 
Bandera

Beautiful flowers and semi-evergreen rosettes are attractive for ornamental use. Additionally, Bandera's fibrous root system and ability to persist on rocky or sandy loam sites has made it a popular choice to include in reclamation seed mixes. (Released 1973, source of ecotype: Mountainair, NM)

Variety Release Notes: 

Species Attributes

Height: 
12 
- 36 
in.
Life Form: 
Perennial
Native or Introduced: 
Native
Precipitation: 
Low - Moderate
Sun & Shade Tolerance: 
Full Sun
Part Sun
Elevation: 
ft.

Soil Texture

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

Soil pH

Acidic: 
Not Adapted
Neutral: 
Best
Basic: 
Not Adapted
Seeding Rate: 
- 3 
PLS lbs/Acre
Pure Seed per Bushel: 
32.70 lbs.
Seeds per Pound: 
592,000
Germination Time: 
Days
Mycorrhizal Dependent: 
Yes
Bloom Color: 
Blue - Violet
Blooming Season: 
Summer