SelecTree: Tree Detail

BIGCONE DOUGLAS-FIR
Pseudotsuga macrocarpa

Pseudotsuga macrocarpa Pseudotsuga macrocarpa Pseudotsuga macrocarpa Pseudotsuga macrocarpa Pseudotsuga macrocarpa Pseudotsuga macrocarpa Pseudotsuga macrocarpa Pseudotsuga macrocarpa Pseudotsuga macrocarpa Pseudotsuga macrocarpa Pseudotsuga macrocarpa Pseudotsuga macrocarpa Pseudotsuga macrocarpa Pseudotsuga macrocarpa Pseudotsuga macrocarpa

Photo Locations: Rancho Santa Ana Botanic Gardens - Claremont, CA, Cal Poly State University - San Luis Obispo, CA, Strybing Arboretum - San Francisco, CA, Santa Barbara Botanical Garden - Santa Barbara, CA and Regional Parks Botanic Garden, Tilden Regional Park - Berkeley, CA

General Notes

Has fragrant Leaf.

Native to Southern California.

A Pseudotsuga macrocarpa in Angeles National Forest is registered as a California Big Tree. It measures 165 feet high, with a trunk circumference of 269 inches and a crown spread of 94 feet.

Family: Pinaceae

Additional Common Names

BIGCONE DOUGLAS-FIR, BIGCONE SPRUCE

Tree Characteristics

Erect and requires ample growing space.

Conical Shape.

Has Evergreen foliage.

Height: 60 - 65 feet.

Growth Rate: 24 Inches per Year.

Longevity 50 to 150 years or more.

Leaves Needle, Dark Green, No Change, Evergreen.

Flowers Inconspicuous. . Has separate male and female flowers on the same tree (monoecious).

Brown Cone, Very Large (Over 3.00 inches), fruiting in Fall.

Bark Red Brown, Fissured.

Shading Capacity Rated as Moderate to Dense in Leaf.

Litter Issue is Dry Fruit.

Tree Site Conditions & Constraints

Sunset Zones 1 - 3, 10, 11, 18 and 19.

Exposure Full Sun to Partial Shade.

Moist to Dry Soil.

Drought tolerant.

Clay, Loam or Sand Texture.

Highly Acidic to Slightly Alkaline Soil pH.

Seaside Tolerance is Not Suited.

Pests & Disease Information

Susceptible to Armillaria.

Health, Safety & Environmental Concerns

Branch Strength Rated as Strong.

Root Damage Potential Rated as Low.

None Known Health Hazard.

Biogenic Emissions considered Moderate.

Attracts Squirrels.

Cite this tree:
SelecTree. "Pseudotsuga macrocarpa Tree Record." 1995-2018. Jun 21, 2018.
< https://selectree.calpoly.edu/tree-detail/pseudotsuga-macrocarpa >

This tree is not part of the SelecTree Nursery Connection. If you would like to see this tree listed, or know of a nursery that sells it, please contact us at ufei@calpoly.edu.