SelecTree: Tree Detail
Photo Locations: Grant Grove, CA, San Luis Obispo, CA, National Arboretum - Washington, D.C., Cal Poly Campus - San Luis Obispo, CA, UC Berkeley, CA, Chico, CA and Quail Botanical Gardens - Encinitas, CA
Grows slow at first but increases growth rate when established.
Has fragrant Leaf.
Native to California and Western North America.
A Calocedrus decurrens in Marble Mountain Wilderness is registered as a California Big Tree. It measures 152 feet high, with a trunk circumference of 462 inches and a crown spread of 49 feet.
Erect and requires ample growing space.
Has Evergreen foliage.
Height: 70 - 90 feet.
Width: 10 - 15 feet.
Growth Rate: 12 to 24 Inches per Year.
Longevity Greater than 150 years.
Leaves Scalelike, Medium to Light Green, No Change, Evergreen.
Flowers Inconspicuous. Flowers in Spring. Has separate male and female flowers on the same tree (monoecious).
Brown or Red Cone, Medium (0.50 - 1.50 inches), fruiting in Summer or Fall.
Bark Red Brown, Fibrous or Furrowed.
Shading Capacity Rated as Very Dense in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 2 - 12 and 14 - 24.
USDA Hardiness Zones 5 - 8.
Exposure Full Sun to Partial Shade.
Moist to Dry Soil.
Clay, Loam or Sand Texture.
Highly Acidic to Slightly Alkaline Soil pH.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Susceptible to Beetle Borers, Juniper Scale and Western Cedar Bark Beetle, Mistletoe, Phytophthora, Root Rot, Red Ring Rot, Schweinitzii Butt Rot, Pitted Sap Rot, Armillaria, Incense-cedar Rust and Rust.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as Moderate.
Allergy and Irritant Health Hazard.
Biogenic Emissions considered Low.
Fire Resistance is Favorable.
Cite this tree:
SelecTree. "Calocedrus decurrens Tree Record." 1995-2020. Jun 5, 2020.
< https://selectree.calpoly.edu/tree-detail/calocedrus-decurrens >
SelecTree Nursery Connection Map
Cal Poly / ESRI