SelecTree: Tree Detail
ROCKY MOUNTAIN JUNIPER
Photo Locations: LA County Arboretum - Arcadia, CA, and Huntington Botanical Gardens - San Marino, CA
Utility friendly tree.
Cultivar 'Rependens' has a weeping form.
Has fragrant Leaf.
Native to Western North America.
Trees may be referred to as male or female.
Columnar or Conical Shape.
Has Evergreen foliage.
Height: 20 feet.
Width: 10 feet.
Growth Rate: 24 Inches per Year.
Longevity 50 to 150 years or more.
Leaves Scalelike, Blue Green, Medium Green or Silver Gray, No Change, Evergreen.
Flowers Inconspicuous. Flowers in Spring. Has either male or female flowers (dioecious). Trees may be sold as male or female.
White or Mostly Blue Cone, Small (0.25 - 0.50 inches), fruiting in Fall or Winter Wildlife use it.
Bark Dark Gray, Light Gray or Red Brown, Exfoliating, Ridged or Striated.
Shading Capacity Rated as Dense in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 1 - 24.
USDA Hardiness Zones 4 - 7.
Exposure Full Sun to Partial Shade.
Moist to Dry Soil.
Clay, Loam or Sand Texture.
Highly Acidic to Highly Alkaline Soil pH.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Resistant to Texas Root Rot. Susceptible to Aphids, Beetle Borers and Spider Mites, Oak Root Rot, Root Rot and Rust.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as Low.
Allergy Health Hazard.
Desirable Wildlife Plant.
Not Deer Palatable.
Wildlife use Fruit.
Special Uses & Values
Cite this tree:
SelecTree. "Juniperus scopulorum Tree Record." 1995-2017. Nov 23, 2017.
< http://selectree.calpoly.edu/tree-detail/juniperus-scopulorum >
SelecTree Nursery Connection Map
Cal Poly / ESRI