Tough as the rugged American West, this juniper is the parent of many hybrid varieties that share its resilient nature. Rocky Mountain juniper, or Colorado redcedar, is a slow growing evergreen tree or shrub native to western American regions from Mexico to Canada. The most robust populations exist at higher elevations in the Rocky Mountain States and intermountain West, though specimens also exist at lower elevations and along the mountain foothills. It is most commonly associated with pinyon juniper woodlands and grows in rocky, semi-arid alpine soils associated with limestone and shale.
Habit and size depend on growing environment as well as genetics. Trees are bushy and irregularly pyramidal. Many cultivated forms have more regular habits better suited to the landscape. The fragrant, evergreen foliage of Rocky Mountain juniper consists of fine, blue-green or olive-green scales. This plant is monoecious, meaning separate male and female flowers are borne on the same plant. The pollen-bearing male flowers are inconspicuous and pollinate the female flowers, which develop into clusters of waxy, resinous, blueish berries. The berries mature in the fall or winter of the second year after pollination (a full eighteen months later!).
Full sun and sharply drained soil with average fertility is suitable for this tough juniper. Rocky, poor soils will even do as long as they’re on the neutral to alkaline side. Established plants can withstand extended periods of drought. This is a popular evergreen for naturalizing in arid natural areas. A well placed stand can serve as a valuable high desert wind break and privacy screen, and few trees work as well in western ranch settings.
Information source: www.Learn2grow.com.
Genus - Juniperus
Species - Scopulorum
Common name - Rocky Mountain Juniper
Pre-Treatment - Required
Hardiness zones - 3 - 7
Height - 10'-50' / 3 - 15 m
Spread - 5'-20' / 1.50 - 6 m
Plant type - Tree
Vegetation type - Evergreen
Exposure - Full Sun
Growth rate - Medium
Soil PH - Neutral, Alkaline
Soil type - Clay, laom, Sand, well drained
Water requirements - Drought tolerant, average water
Landscape uses - Feature Plant, Foundation, Hedges, Screening / Wind Break, Shade Trees
Bloom season - Spring
Leaf / Flower color - Green, Olive, Gray Green / --
1. Place your juniper seeds in a plastic container of water and leave them to soak for at least 12 hours.
2. Remove the seeds from the water and make a tiny nick in each seed, using a sharp knife. This process is termed scarification and is an important step towards germination.
3. Plant the seeds in trays. Place each seed in a 15-20 mm (3/4-inch) deep depression in the soil. Cover the seeds with potting soil, but don't compact the ground over them. Keep the soil in the potting trays moist.
4. Place mulch over the seedlings.
5. Cover the mulch with grit to dissuade moss and algae from growing over the potting soil.
6. Keep the seeds at a temperature of +2-+4C (39F) for 3 months and then transfer them to a room with a temperature of +20C (70F). This process is termed stratification and the seeds will begin to germinate at this warmer temperature.
7. Keep the seedlings in a shaded area for the first year of their lives. There will be sporadic germination of these seeds over a two to three-year period. It is important to realize that each individual seed from the same pod has its own degrees of embryo viability. Certain seeds will germinate at once, while others will go into a dormant state. Seeds also have "chemical locks" that degrade to allow germination at different times. These mechanisms afford the tree the best chance at survival, so don't be concerned if not all of your seeds germinate at the same time.
Information source: www.eHow.com.
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