Keep in mind that at 6700 ft, fast growth is all relative. Of the native evergreens, Douglas-fir (Pseudotsuga menziesii) and limber pine (Pinus flexilis) will be generally faster-growing than rocky mountain juniper, white fir, Colorado spruce, Ponderosa, bristlecone or pinyon pines.
On southern or western slopes, heat and dryness may limit growth rate. Of these two choices, Douglas-fir will be better on northern or eastern slopes, Limber pine better on southern or western slopes. Mulch the new tree with pine needles or wood chips 3-4 inches deep and 3-6 ft diameter around the tree. Pull mulch away from immediately around the trunk/stem. Water as needed for the first 2-3 years and in dry winter spells. If possible, expand mulch ring diameter as the tree grows. Mulching around the tree will promote faster growth than would occur without the mulch. Try to limit size of purchased tree to 6 ft or less, as it takes more water to establish larger (and costlier) trees.
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Which evergreen trees grow the fastest in Colorado? We are hoping to plant an evergreen (pinyon, juniper, Ponderosa, or some other native variety) to increase our privacy. The tree would be planted on a slope. We can water the tree, but would prefer not to water it beyond the first couple years. Also, we live at 6700 feet and would need a tree that would do well at this altitude.
Last Updated: June 24, 2010
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