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Rocky Mountain Juniper, Juniperus scopulorum.

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Rocky Mountain Juniper, Juniperus scopulorum.
Walnut Canyon National Monument Sinagua Ruins, Flagstaff, Arizona. September 01, 2009.
Rocky Mountain Juniper.
Juniperus scopulorum Leaves.
Rocky Mountain Juniper.
Juniperus scopulorum Leaves.

Rocky Mountain Juniper.
Juniperus scopulorum, Cypress Family: ( Cupressaceae ), Rocky Mountain Juniper. Also called: Rocky Mountain Juniper, Colorado Redcedar.

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A small, shrubby, evergreen tree or large bush up to 30 feet tall; typically it has a narrow, conical shape, opening when mature.


Quick Notes:

Height: Up to 30 feet tall with a 12 foot spread.

Flowers: Monoecious; perfect, bell - shaped, 1/4 inch long, pinkish - white, ten to fifteen occurring in a tight grouped, hanging cluster, at the ends of its twigs.

Flowering Time: Mid March - May.

Buds: Berry-like cones, round, 1/4 - 1/2 inch in diameter, bluish when young but turning reddish brown and dry when mature, usually 2 seeds per cone, (could have one), they mature over two growing seasons.

Cones: Berry-like cones, round, 1/4 - 1/2 inch in diameter, bluish when young but turning reddish brown and dry when mature, usually 2 seeds per cone, (could have one), they mature over two growing seasons.

Seeds: One or two. Blue fruits.

Leaves: Evergreen, deep green to blue-green, scale-like, in opposite pairs, no glands so leaves lack any resin; yellow-green. Branches and twigs are vertical. Needles are opposite and closely pressed to stem.

Bark: Reddish brown coloring, sometimes gray, exfoliating with irregular furrows and scaly ridges; stays thin.

Found: Native to the USA (AZ, CO, ID, MT, ND, NE, NM, NV, OK, OR, SD, TX, UT, WA, WY). Also found in Canada (AB, BC, SK). Also found south into northern Mexico in northern Sonora, & northern Chihuahua.

Hardiness:
USDA Zone 5a: to -28.8 �C (-20 �F)
USDA Zone 5b: to -26.1 �C (-15 �F)
USDA Zone 6a: to -23.3 �C (-10 �F)
USDA Zone 6b: to -20.5 �C (-5 �F)
USDA Zone 7a: to -17.7 �C (0 �F)
USDA Zone 7b: to -14.9 �C (5 �F)
USDA Zone 8a: to -12.2 �C (10 �F)
USDA Zone 8b: to -9.4 �C (15 �F)
USDA Zone 9a: to -6.6 �C (20 �F)

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Sun Exposure:
Full Sun

Elevation: 3,500 to 7,500 Feet.

Habitat: High plains, plateaus, mesas, canyons, foothills, and mountain slopes of the Colorado Plateau. Woodlands.

Miscellaneous: Photos Taken Near Walnut Canyon National Monument Sinagua Ruins, Flagstaff, Arizona. September 01, 2009.

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