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The blue spruce (Picea pungens), also commonly known as Colorado spruce or Colorado blue spruce, is a species of spruce tree native to North America in Arizona, Colorado, Idaho, New Mexico, Utah and Wyoming. [4] It is noted for its blue-green colored needles, and has therefore been used as an ornamental tree in many places far beyond its native ...
There are also other conifers such as yews, which are able to produce new growth after heavy pruning. Q: We have three large blue-spruce trees in our yard and over the years, each of them has ...
Dendroctonus rufipennis, the spruce beetle, is a species of bark beetle native to British Columbia, Newfoundland and Labrador, Nova Scotia, Ontario, Quebec, Northern Manitoba, the Yukon, Alaska, Colorado, Wyoming, Montana, and Maine. They are known to destroy forests of spruce trees [1] including Engelmann, White, [2] Sitka, and Colorado blue ...
Sitka spruce: Picea sitchensis: 1962 [2] [3] American Samoa: None [4] Arizona: Blue palo verde: Parkinsonia florida: 1954 [5] [6] Arkansas: Loblolly pine: Pinus taeda: 1939 [7] California: Coast redwood: Sequoia sempervirens: 1937 [8] [9] Giant sequoia: Sequoiadendron giganteum: Colorado: Colorado blue spruce: Picea pungens: 1939 [10 ...
However, genetic variations within these species have allowed some varieties to be grown in climates that differ substantially from the climate where the species originated. The Eastern White pine is native to the eastern U.S. The Colorado Blue Spruce is native to Colorado and Utah. The White spruce is native to the north-central U.S. and Canada.
The plant pathogenic fungus Leucostoma kunzei (formerly Valsa kunzei) is the causal agent of Leucostoma canker (also known as Cytospora canker or spruce canker), a disease of spruce trees found in the Northern Hemisphere, predominantly on Norway spruce (Picea abies) and Colorado blue spruce (Picea pungens).
Dense red spruce forest in its native habitat at the summit of Spruce Knob, West Virginia. Red spruce grows at a slow to moderate rate, lives for 250 to 450+ years, and is very shade-tolerant when young. [12] It is often found in pure stands or forests mixed with eastern white pine, balsam fir, or black spruce.
The Hermosa Creek Wilderness is a 37,236-acre (15,069 ha) U.S. Wilderness Area in La Plata County, Colorado. It s located in the San Juan National Forest 12 miles (19 km) north of Durango . It was established by the Hermosa Creek Protection Act of 2014, which also created the adjacent Hermosa Creek Special Management Area, which shares its ...