Pinus aristata
Bristlecone Pine
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Bristlecone Pine (Pinus aristata) - Description
Pinus aristata, the Rocky Mountain bristlecone pine, is a species of pine native to the United States. It appears in the Rocky Mountains in Colorado and northern New Mexico, with an isolated population in the San Francisco Peaks in Arizona. It is usually found at very high altitudes, from 2500–3700 m, in cold, dry subalpine climate conditions, often at the tree line, although it also forms extensive closed-canopy stands at somewhat lower elevations.
Bristlecone Pine (Pinus aristata) - Blooming
The leaves persist for about 2-4 years and longer for some species. The buds produced in winter are often resinouse. Pinus is monoecious. The female cones are brown and take 2-3 years to ripen. Male cones are found at the base of the plant.
Bristlecone Pine (Pinus aristata) - Growth
Evergreen, coniferous trees and shrubs. Pines grow best in full sun. Some species are slow growing and work well in a rock garden or as part of a border. Pines make good windbreaks and are suitable specimen trees.
Bristlecone Pine (Pinus aristata) - Planting
Sow seeds in containers in a cold frame in spring.
Bristlecone Pine (Pinus aristata) - Pest
Mealybugs, sawfly, scale insects, caterpillars, miners, and borers. Other issues include butt rot, tar spot, cone rust, pitch canker, blister rust, blights, and brown cubical rot.
Bristlecone Pine (Pinus aristata) - Interesting facts
The leaves of P. aristata persist for up to 20 years.
Bristlecone Pine (Pinus aristata) - Soil and irrigation
Grows in any soil as long as it is well-draining.
