Rocky Mountain juniper (Juniperus scopulorum)

USDA Hardiness Zones

USDA hardiness zones
Zone Zone  more information
Hardy to zone 3b
Mature Height Mature Height
20 to 40 feet
Mature Spread Mature Spread
3 to 15 feet
Growth Rate Growth Rate
Moderate
Sun Sun
Full Sun
Moisture Moisture
Drought tolerant (also tolerant to moist soil, well-drained)
Fall Color Fall Color
None
Attracts Wildlife Attracts Wildlife
Yes
Flower Flower
Insignificant
Fruit Fruit
Ornamental
Evergreen Evergreen
Yes
Native to WI Native to WI
No
Additional Information Additional Information
narrow, pyramidal form; opens with age; 20-40’ tall (depends on cultivar); 3-15’ wide; dark green to bluish foliage (depends on cultivar); female cultivars produce fleshy blue cones; full sun; adaptable to most soils and pH; drought tolerant; very susceptible to many diseases in our humid climate; especially cankers and Phomopsis tip blight; short-lived; native to Rocky Mountains of U.S. and Canada; hardy to zone 3b

UW Extension
For more information, see the UW Extension Urban Horticulture Team Web site: www.uwex.edu/ces/wihort
Primary Author: Dr. Laura Jull
Photos by: Dr. Laura Jull and Dr. Ed Hasselkus

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