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Picea pungens 'Glauca' |
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Blue Spruce, Colorado Spruce |
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Rocky Mountain Area of North America |
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Broad, dense, pyramidal with stiff horizontal
branches, becoming open, somewhat unsightly in
habit. |
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30-60 feet tall with a spread of 10-20 feet |
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Plants are
monoecious. Staminate cones are
orange in color, pistillate are greenish. |
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Needles are ¾-1¼ inch long, 4-sided,
stout, rigid, very sharply pointed, blue-green
in color. |
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Buds are yellowish-brown, with papery scales in
rosettes, resembling a dried flower. |
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Cones are oblong, short-stalked, 2-4 inches
long, yellow-brown in color. |
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- 'Argeatea' - Silver Colorado Spruce -
Koster's Blue Spruce the needles are silvery
white.
- 'Glauca' - deeper blue than that of P. pungens 'Argentea'
- 'Caerulea' - needles bluish white -
Cerulean Colorado Spruce
- 'Moerheim' - compact form - Moerheim
Spruce has deep blue foliage
- 'Pendens' - pendulously branched, with
the main branches almost horizontal. Leaves
bluish white and stiffer than those of
Moerheim Spruce
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