Index / Search / Juniperus occidentalis
§1 Plant
Juniperus occidentalis Hook.
vernacular western juniper — species · Cupressaceae
§2Habit & range
Habit and range
- Growth habit
- Tree
- Duration
- Perennial
- Group
- Gymnosperm
- Family
- Cupressaceae Gray
- Genus
- Juniperus
§2a
Native status, by region
- L48 Lower 48 States Native
§2b
County-level range
· 75 counties across 5 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- High
- Shade
- High
- Moisture use
- Low
- Fire
- Low
- Salinity
- Medium
- Anaerobic
- None
- CaCO₃
- High
- Hedging
- High
§3b
Climate & soil
- Cold tolerance
- -33 °F minimum
- Frost-free days
- 150 min.
- Precipitation
- 8–24 in/yr
- pH range
- 6–8.5
- Root depth
- 12 in min.
- Fertility need
- Low
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Single Stem
- Growth rate
- Slow
- Lifespan
- Long
- Mature height
- 33 ft
- Height @ 20 y
- 25 ft
- Foliage texture
- Fine
- Foliage colour
- Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Dense
- Flower colour
- Yellow
- Fruit colour
- Blue
- Fire resistant
- No
- N fixation
- None
- Toxicity
- Slight
§3d
Reproduction
- Bloom period
- Late Spring
- Seed abundance
- High
- Seed begins
- Winter
- Seed ends
- Winter
- Spread rate
- Slow
- Stratify
- Yes
- Seeds / lb
- 11,930
- Propagation
- seed, cuttings, bare root, container
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- Yes
- Browse palatability
- Low
- Graze palatability
- Low
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Fuelwood
- Medium
- Christmas tree
- No
§4Counties, by state
Recorded in 75 counties across 5 states/territories.
California view state ↗ 19 N ▾
Idaho view state ↗ 9 N ▾
Nevada view state ↗ 12 N ▾
Oregon view state ↗ 26 N ▾
- Baker 41001
- Benton 41003
- Columbia 41009
- Crook 41013
- Deschutes 41017
- Douglas 41019
- Gilliam 41021
- Grant 41023
- Harney 41025
- Jackson 41029
- Jefferson 41031
- Josephine 41033
- Klamath 41035
- Lake 41037
- Malheur 41045
- Marion 41047
- Morrow 41049
- Multnomah 41051
- Sherman 41055
- Umatilla 41059
- Union 41061
- Wallowa 41063
- Wasco 41065
- Washington 41067
- Wheeler 41069
- Yamhill 41071
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/JUOC ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2684615 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z