Index / Search / Purshia tridentata
§1 Plant — species · Rosaceae
Purshia tridentata (Pursh) DC.
vernacular antelope bitterbrush
§2Habit & range
Habit and range
- Growth habit
- Shrub
- Duration
- Perennial
- Group
- Dicot
- Family
- Rosaceae Juss.
- Genus
- Purshia
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- High
- Shade
- Medium
- Moisture use
- Low
- Fire
- None
- Salinity
- None
- Anaerobic
- Low
- CaCO₃
- High
- Hedging
- Low
§3b
Climate & soil
- Cold tolerance
- -36 °F minimum
- Frost-free days
- 100 min.
- Precipitation
- 8–20 in/yr
- pH range
- 5.6–8.4
- Root depth
- 20 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Multiple Stem
- Growth rate
- Moderate
- Lifespan
- Long
- Mature height
- 6 ft
- Height @ 20 y
- 6 ft
- Foliage texture
- Coarse
- Foliage colour
- Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Moderate
- Flower colour
- White
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- Low
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Early Spring
- Seed abundance
- Medium
- Seed begins
- Spring
- Seed ends
- Summer
- Spread rate
- Slow
- Stratify
- Yes
- Seeds / lb
- 17,193
- Propagation
- seed, bare root, container
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- Yes
- Browse palatability
- High
- Graze palatability
- Medium
- Palatable, human
- No
- Protein potential
- Medium
- Lumber
- No
- Christmas tree
- No
§4Montana distribution
Recorded in 12 of 56 Montana counties.
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/PUTR2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5370313 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-25
fetched 2026-05-25T16:28:53Z