Western Juniper (Occidentalis)

The Western Juniper (Occidentalis) is generally described as a perennial tree. This is native to the U.S. (United States) has its most active growth period in the spring and summer . The greatest bloom is usually observed in the late spring, with fruit and seed production starting in the winter and continuing until winter. Leaves are retained year to year. The Western Juniper (Occidentalis) has a long life span relative to most other plant species and a slow growth rate. At maturity, the typical Western Juniper (Occidentalis) will reach up to 33 feet high, with a maximum height at 20 years of 25 feet.

The Western Juniper (Occidentalis) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by bare root, container, cuttings, seed. It has a slow ability to spread through seed production and the seedlings have low vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below -33°F. has high tolerance to drought and restricted water conditions.

Plant Basics
Category
Growth Rate Slow
General Type Tree
Growth Period Spring, Summer
Growth Duration Perennial
Lifespan Long
Plant Nativity Native to U.S.
Commercial Availability Routinely Available
Physical Characteristics
Bloom Period Late Spring
Displays Fall Colors No
Shape/Growth Form Single Stem
Drought Tolerance High
Shade Tolerance Intolerant
Height When Mature 33
Vegetative Spread None
Flower Color Yellow
Flower Conspicuousness No
Fruit/Seed Abundance High
Fruit/Seed Seasonality Winter Winter
Seed Spread Rate Slow
Gardening Characteristics
Propagations (Ways to Grow) Bare Root, Container, Cuttings, Seed
Moisture Requirements Low
Cold Stratification Required Yes
Minimum Temperature -33
Soil Depth for Roots 12
Toxic to Nearby Plants Yes
Toxic to Livestock No
After-Harvest Resprout Ability No
Responds to Coppicing Yes
Growth Requirements
pH Range 6–8.5 pH
Precipitation Range 8–8 inches/yr
Planting Density 700–1200 indiv./acre
Soil Textures Coarse, Medium
Soil Depth for Roots 12
Minimum Frost-Free Days 150 day(s)
Salinity Tolerance Medium
CaCO3 Tolerance High
Sustainability & Use
Leaf Retention Yes
Palatability Low
Fire Resistant No
Causes Livestock Bloating None

Source: USDA, NRCS, PLANTS Database, plants.usda.gov.
National Plant Data Center, Baton Rouge, LA 70874-4490 USA