SelecTree: Tree Detail
Photo Locations: Ruth Bancroft Garden - Walnut Creek, CA, Stanford University Arboretum - Stanford, CA, Santa Fe Botanic Garden - Santa Fe, NM, BioPark Botanic Garden - Albuquerque, NM
Bark pattern resembles scales on alligator skin. Susceptible to Phomopsis.
Has fragrant Leaf.
Native to Central and Northern Mexico and Southwestern United States.
Trees may be referred to as male or female.
A Juniperus deppeana in Stanford University Arboretum is registered as a California Big Tree. It measures 25 feet high, with a trunk circumference of 65 inches and a crown spread of 32 feet.
Juniperus deppeana var. pachyphlaea
Additional Common Names
ALLIGATOR JUNIPER, WESTERN JUNIPER, CHECKERED BARK JUNIPER
Conical or Oval Shape.
Has Evergreen foliage.
Height: 60 - 70 feet.
Width: 20 - 25 feet.
Growth Rate: 24 Inches per Year.
Longevity 40 to 150 years.
Leaves Scalelike, Blue 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.
Brown, Red or Mostly Blue Cone, Small (0.25 - 0.50 inches), fruiting in Fall or Winter Wildlife use it.
Bark Striking, Light Green, Light Gray or Red Brown, Blocky, Rough or Scaly.
Shading Capacity Rated as Moderately Dense in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 1 - 3 and 10 - 12.
USDA Hardiness Zones 7 - 8.
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, Armillaria, Root Rot and Rust.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium Strong.
Root Damage Potential Rated as Low.
Allergy Health Hazard.
Desirable Wildlife Plant.
Wildlife use Fruit.
Special Uses & Values
Cite this tree:
SelecTree. "Juniperus deppeana Tree Record." 1995-2018. May 25, 2018.
< https://selectree.calpoly.edu/tree-detail/juniperus-deppeana >