Among the world’s most stately of evergreen conifers, cedar of Lebanon subspecies stenocoma is the most winter hardy of all true cedars, surviving into protected parts of USDA zone 4. This eastern Mediterranean native tree, from the Taurus Mountains of Turkey, has slow growth and eventually develops a rigid, stiffened and pyramidal to almost column-like form. Its branches are covered in bright green then gray-green to dark green needles when older. With time, the trunks and branches become very picturesque, especially when viewed from under the canopy, being fissured and brown to black in tone. The female cones are held upright on the tree branches and are large, egg-shaped and ripen to dull green to brown, while the smaller male cones are elongate and shed copious amounts of gold-tan pollen in spring.
This large tree should have full sun and ample room to attain its fullest and most beautiful growth. Hardy cedar of Lebanon is extremely adaptable, growing well on a wide range of soil pH and types although it will not tolerate soggy soils. This is regarded as the most cold hardy of the true cedars. Use it as a majestic, fatherly specimen tree for park or campus lawn.
Information source: www.learn2grow.com.
Genus - Cedrus
Species - Libani
Variety - Stenocoma
Common name - Hardy Cedar of Lebanon
Germination rate - 60%
Pre-Treatment - Required
Plant type - Large Tree
Vegetation type - Evergreen
Hardiness zones - 5 - 8
Exposure - Full Sun, Partial Shade
Height - 70'-90' / 21 - 27 m
Spread - 25'-40' / 8 - 12 m
Growth rate - Slow
Leaf / Flower color - Gray green, Dark green / --
Soil PH - Acidic, Neutral, Alkaline
Soil type - Clay, Loam, Sand, well drained
Water requirements - Drought Tolerant, Average Water
Landscape uses - Feature Plant, Shade Trees
1. Soak for 2-3 hours then stratify mixed with moist vermiculite/sand in air tight zip lock bags. Keep for 3 weeks in a fridge at +2-+4C.
2. After the stratification - sow seeds on the surface of a Well drained seed sowing mix at about +17C.
3. Lightly cover the seeded area with mulch to reduce soil compaction in sun and rain. Water shallow seed lightly and frequently until they sprout. Cedrus seeds will usually germinate in 14-60 days, even under good conditions germination may be erratic. Normally will only germinate with light, GA-3 may promote germination - even in the dark.
4. Water deeper seeds slowly and deeply, but do not keep wet or they can rot. When seeds sprout, encourage deep roots by gradually reducing watering frequency and increasing the amount, to get it down deep around and below roots while letting soil surface dry between soakings
NOTE: Most seeds require warm (room temperature or higher) temperatures to germinate. When seedlings emerge, thin extras to allow full light around seedlings; some may be transplanted to larger pots or the garden. When transplanting, hold small plants by leaves to avoid damage to tender stems.
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