Index / Search / Coleogyne ramosissima
§1 Plant
Coleogyne ramosissima Torr.
vernacular blackbrush — species · Rosaceae
§2Habit & range
Habit and range
- Growth habit
- Shrub
- Duration
- Perennial
- Group
- Dicot
- Family
- Rosaceae Juss.
- Genus
- Coleogyne
§2a
Native status, by region
- L48 Lower 48 States Native
§2b
County-level range
· 22 counties across 5 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- High
- Shade
- High
- Moisture use
- Low
- Salinity
- Low
- Anaerobic
- None
- CaCO₃
- Low
- Hedging
- Low
§3b
Climate & soil
- Cold tolerance
- -18 °F minimum
- Frost-free days
- 140 min.
- Precipitation
- 6–16 in/yr
- pH range
- 5.9–8
- Root depth
- 24 in min.
- Fertility need
- Low
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Multiple Stem
- Growth rate
- Slow
- Lifespan
- Long
- Mature height
- 6 ft
- Height @ 20 y
- 5 ft
- Foliage texture
- Coarse
- Foliage colour
- White-Gray
- Porosity (summer)
- Dense
- Porosity (winter)
- Dense
- Flower colour
- Yellow
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Mid Spring
- Seed abundance
- Medium
- Seed begins
- Spring
- Seed ends
- Summer
- Spread rate
- Moderate
- Stratify
- Yes
- Seeds / lb
- 21,774
- Propagation
- seed, bare root, container
§3e
Use & availability
- Commercial availability
- Contracting Only
- Nursery stock
- No
- Browse palatability
- Low
- Graze palatability
- Low
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 22 counties across 5 states/territories.
Arizona view state ↗ 5 N ▾
California view state ↗ 6 N ▾
Colorado view state ↗ 1 N ▾
Nevada view state ↗ 3 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/CORA ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3032187 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z