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White spruce is a tall evergreen conifer native to the northern United States and Canada. Broadly pyramidal when young, it becomes more columnar with age. Its cones are relatively small. Crushed needles emit a pungent, skunky smell. Many cultivars of white spruce are available, including those with smaller mature sizes or dwarfed and weeping habits.
White spruce grows best in full sun and moist, well-drained soil that is acidic to neutral in pH. It tolerates drought, salt spray, extreme cold, and other environmental stresses. It is useful for screening, hedges, windbreaks and as a specimen. It is also sometimes used as a Christmas tree, although the needles do not persist long once the cut tree dries. (source: learn2grow.com)
Genus - Picea
Species - Glauca
Common name - White Spruce
Pre-Treatment - Not-required, but recommended
Hardiness zones - 3 - 7
Height - 40'-70' / 12.2m - 21.3m
Spread - 10'-20' / 3.0m - 6.1m
Plant type - Tree
Vegetation type - Evergreen
Exposure - Full Sun, Partial Shade
Growth rate - Medium
Soil type - Loam, well drained
Water requirements - Average, drought tolerant
Landscape uses - Feature Plant, Hedges, Screening / Wind Break
Germination rate - 80%
Leaf / Flower color - Green / --
| Useful Info | |
| Germination | 1. Soak the seeds in room temperature water overnight. 2. Keep the seeds in refrigerated, soil-filled zip-lock bags for 2-3 months after the initial soaking, a process that mimics the natural dormancy period they would experience during winter months in the wild. Some experts recommend this method, and others say seeds may be planted immediately after soaking. If soaked seeds are not kept in soil, they may be refrigerated for up to 14 days before use. 3. Place a 3-inch layer of dry soil, such as peat moss or clean sand, in a small vase. Bury spruce seeds 1/4-inch below soil. Cover soil with mulch layer. Keep the vase in a partially shaded place. Water occasionally, so that the soil is always slightly moist. 4. Seed will sprout in three to eight weeks. For one year, keep seedling in partially shaded place. Water occasionally, so that the soil is slightly moist. 5. After one year, transfer the seedling to a gallon-sized vase or larger, maintaining a balance of dry, clean soil and mulch. The seedling may now be kept in full sun. Continue watering occasionally, so that soil is slightly moist. (info source: eHow.com) |
