Tree - Shrub Detail
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Pinus aristata
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Pine, Bristlecone Pinus aristata Category: evergreen tree Size: small Mature Size: 20-30' x 15-20' Zone: 2 Growth Rate: very slow Foliage: 5 needles per group, blue-green, 1 to 1.5" Elevation (if known): To 10,000' Water: Is found in dry, rocky soils at high altitude -- needs seasonal water Soil : OK in poor, rocky soils Sun: Full Comments: The oldest trees in Colorado are more than 500 years old on the flanks of Pikes Peak. One of the 5 pines native to Colorado. Grows naturally on poor, rocky sites. Tolerant of wind. Warnings: Does not tolerate air pollution. Alamosa Tree Board Recommended? yes Street Tree? no Street Tree Conditions: CO/NM native? yes Native to: W Mountain US states Known Locations: Information Sources: Alamosa Tree Board; Gymnosperm database(www.conifers.org) |