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Pinus jeffreyi Balf.
Synonym(s): Pinus ponderosa ssp. jeffreyi
USDA Symbol: PIJE
USDA Native Status: L48 (N)
Jeffery pine has blue-green, twisted needles, 7-9 in. long. Grows from 40-90 ft. with a pyramidal, open crown. Old trees are devoid of branches for more than 1/2 of their height. Cinnamon-brown to yellow-orange, flaky bark. Cones are 6-9 in. long. Large tree with straight axis and open, conical crown of spreading branches and with large cones. Both bark and twigs give off odor of lemon or vanilla when crushed.
The odor of crushed twigs defies exact description. The scent has been likened not only to lemons and vanilla, but also to violets, pineapples, and apples. This species was named for its discoverer, John Jeffrey, the 19th century Scottish botanical explorer who collected seeds and plants in Oregon and California for introduction into Scotland.
Plant CharacteristicsDuration: Perennial Habit: Tree Leaf Complexity: Simple Leaf Shape:
Dark Green Fruit: Size Class:
Bloom InformationBloom Color: Brown
Bloom Time: Apr , May
, OR Native Distribution:
Mts. of s.w. OR,
& n. Mex. Native Habitat:
Dry slopes from 6000-9000 ft.
Growing ConditionsWater Use: Medium
Light Requirement: Part Shade
Soil Moisture: Dry
CaCO3 Tolerance: None
Soil Description: Well-drained, rocky soils.
Conditions Comments: Can endure climatic extremes. Needs to be planted in a grove with other pines or oaks.
Sow fresh, untreated seed in late fall. Seed Collection:
Collect cones from vigorous trees in late summer and fall just before they completely open to drop seeds. Spread cones on racks to dry so they will release seeds. Cones may be shaken to release seeds. Store at a moisture content of 5-10 %
fresh weight. Commercially Avail:
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Santa Barbara Botanic Garden
- Santa Barbara, CANative Seed Network
- Corvallis, OR
Record Last Modified: 2007-01-01
Research By: TWC Staff