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Aspen Fall Colors

September 17, 2015

Finding the Fall Color Pop Timing when and where to see Colorado’s fall colors takes both science and finesse. How do you know when it’s time to go? In general, September and early October mark when stands at higher elevation …

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What is a Tree? How Does it Work?

February 14, 2014

Every year, trees grow two annual rings. In the spring, the usually wider and thinner-walled layer, called springwood, grows. In the summer, a thicker-walled layer, called summerwood, develops. Annual rings are typical in temperate forest trees. Tree Physiology A tree …

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Colorado Forest Types

February 14, 2014

With its diverse mix of coniferous and deciduous species, Colorado’s forested landscape is, perhaps, one of the most complex of any in the Intermountain West. Forest Types Overview Ecoregions in Colorado Forest Types Overview Forest Types Overview Forest type, or …

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Colorado’s Major Tree Species

February 14, 2014

Colorado’s major tree species include bristlecone pine, Colorado blue spruce, Douglas-fir, Engelmann spruce, limber pine, lodgepole pine, narrowleaf cottonwood, quaking aspen, piñon pine, plains cottonwood, ponderosa pine, Rocky Mountain juniper, subalpine fir and white fir. Characteristics & Descriptions = Coniferous …

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What is Wrong with My Tree?

February 14, 2014

Insects and diseases pose two of the most serious threats to a tree’s health. In addition to insects and diseases, many abiotic factors can negatively affect trees. Determining, “What is Wrong With My Tree?” As soon as you notice any …

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Selecting, Planting & Caring for Trees

February 14, 2014

Right Tree, Right Place, Right Time Careful planning is necessary when selecting and planting a tree. It is important to plant the right tree in the right location at the right time of year. In Colorado, it is best to …

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