Pinus ponderosa
Ponderosa Pine
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Ponderosa Pine (Pinus ponderosa) - Description
Pinus ponderosa, commonly known as the ponderosa pine, bull pine, blackjack pine, or western yellow pine, is a very large pine tree of variable habit native to western North America, but widespread throughout the temperate world. It was first described by David Douglas in 1826, from eastern Washington near present-day Spokane. It is the official state tree of the State of Montana. The fire cycle for ponderosa pines is five to 10 years, in which a natural ignition sparks a low-intensity fire.
Ponderosa Pine (Pinus ponderosa) - 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.
Ponderosa Pine (Pinus ponderosa) - 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.
Ponderosa Pine (Pinus ponderosa) - Planting
Sow seeds in containers in a cold frame in spring.
Ponderosa Pine (Pinus ponderosa) - 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.
Ponderosa Pine (Pinus ponderosa) - Interesting facts
The leaves of P. aristata persist for up to 20 years.
Ponderosa Pine (Pinus ponderosa) - Soil and irrigation
Grows in any soil as long as it is well-draining.
