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Yunnan pine, Pinus yunnanensis, is found at lower elevations in Tibet, between 1,800 and 9,000 feet. The long, bright green needles can reach 1 foot in length and grow in clusters of two or three. The tree has a conical shape in youth that later matures into a flat-topped shape with a bare trunk.
Because of low winds in its native range, Yunnan pine can reach 80 feet in height. Its range overlaps with chir pine and Himalayan pine, making it a transitional species between the lowlands and upper plateaus. (info source: ehow.com)
Genus - Pinus
Species - Yunnanensis
Common name - Yunnan Pine
Pre-Treatment - Required
Hardiness zones - 6 - 8
Height - 70'-110' / 21.3m - 33.5m
Plant type - Tree
Vegetation type - Evergreen
Exposure - Full Sun
Growth rate - Slow
Soil PH - Acidic, Neutral, Alkaline
Soil type - Clay, laom, Sand, well drained
Water requirements - Average Water
Landscape uses - Very decorative plant
Germination rate - 86%
Leaf / Flower color - Green / --
| Useful Info | |
| Germination | 1. Place the seeds in a container with tepid water and soak them for 24 hours. Change the water and wait another 24 hours. 2. Put the seeds in a small plastic bag and cover with damp sand. Place the bag holding the seeds in the refrigerator for one to two months to stratify the seeds, which is preserving seeds in layers of moisture-laden peat, soil or sand. Check the sand and water as needed to maintain moisture. Don't allow the seeds to get soaked. 3. Fill small pots with compost. Place one or two pine seeds on top of the compost in each pot, then cover the seeds with a thin layer of sand. 4. Water the sand and compost to add moisture, then place the pots in a warm, sunny location. As the seedlings emerge and grow, the soil needs to remain moist, not wet. 5. Repot the pine trees into medium-sized pots in the fall. Grow them in the pots for the following season until they are large and strong enough for transplanting into the landscape. |
