Purshia tridentata

Purshia tridentata

Antelope bitterbrush

Previous scientific name(s): Purshia tridentata var. tridentata

Evergreen prostrate to upright shrub from 2 to 15 ft. tall, occurring on medium to well drained soils whose origin was from sedimentary or igneous rock; from near sea level to 10,000 ft. elevation. Found on plains, foothills, mountain slopes and ridges. Moderately palatable to livestock and highly palatable to big game animals, especially in winter.

Varieties: 
Lassen

A large, tall form of the species selected for release due to its productivity, upright growth habit, seedling vigor, and retention of overwintering leaves. It is adapted for use on deep, coarse, well-drained soils in northwest CA, eastern OR, southwest ID, and northern NV. (Released 1984, source of ecotype: Janesville, CA in Lassen County)

Species Attributes

Height: 
- 15 
feet
Native or Introduced: 
Native
Precipitation: 
10 
in.
Sun & Shade Tolerance: 
Full Sun
Elevation: 
- 10,000 
ft.

Soil Texture

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

Soil pH

Acidic: 
Marginal
Neutral: 
Best
Basic: 
Average
Seeding Rate: 
PLS lbs/Acre
Pure Seed per Bushel: 
50.60 lbs.
Seeds per Pound: 
15,000
Germination Time: 
Days
Mycorrhizal Dependent: 
Yes
Bloom Color: 
Yellow
Blooming Season: 
Spring
Summer