Calocedrus decurrens


Form and Growth Characteristics:
Plant Type - Tree
Growth Rate - Stiff or narrowly columnar in youth, very regular in outline, with an oval-oblong head in old age
Mature Height - 30-50’ in landscape, 125-150’ in wild
Mature Width - 8-10’
Longevity -

Ornamental Characteristics:
Flower - Monoecious; male cones small oblong and yellow with 12-16 decussate stamens- pollen is shed in mid-winter; female cones small and yellowish-green.
Fruit - Cones flattened, 0.75-1” long, 0.25-0.33” wide at base, tapered, yellowish brown to reddish brown when ripe in early autumn, remaining on the tree until spring, seeds 0.33” long, awl-shaped, with a large wing on one side, a small one on the other.
Leaf - In 4’s, closely pressed, equal in size, dark green; glandular, emitting an aromatic odor when crushed. Shiny dark green on both surfaces, borne in vertical sprays; holds color well in winter months, pungently fragrant in warm weather.
Fall Color - None (evergreen)
Bark - Thin, smooth, and grayish green or scaly and tinged with red on young stems; on old trunks-thick (3-8”), yellowish brown to cinnamon-red, fibrous, deeply and irregularly furrowed.
Other Features -
Possible Use - Use in large areas and formal plantings
Season Of Interest -

Culture and Care:
Care Requirements - Prefers moist, well-drained, fertile soil; full sun or light shade; shows good adaptability to different soil types; may be somewhat difficult to transplant; once established quite drought and heat tolerant; also will tolerate poor soils; Zone 5-8
Native Habitat - Western United States from Oregon to Nevada and lower California. Introduced 1853.
Diseases and Insects - A heart rot caused by Polyporus amarus; other conspicuous, brooming Gymnosporangium rust and a leafy mistletoe; Incensecedar scale.
Strength - Tolerance of heat and drought.
Weakness - Not tolerant of smoggy or wind-swept conditions.

Plants of this taxon:

Find Related Plants:
- Other plants with the common name Incense-cedar.
- Other plants of the family Cupressaceae.
- Other plants of the genus Calocedrus.
- Other plants of the species Calocedrus decurrens.