Pinus wallichiana
Himalayan Pine or Bhutan Pine
Family |
Pinaceae |
Genus |
Pinus |
Species |
wallichiana |
Category |
Woody |
Type |
Tree (evergreen) |
Pronunciation |
USDA Hardiness Zone |
4 - 7 |
Canadian Hardiness Zone |
2a - 6b |
RHS Hardiness Zone |
H6 - H7 |
Temperature (°C) |
-34 - (-15) |
Temperature (°F) |
-30 - 5 |
Height |
10 m |
Spread |
6 - 9 m |
General Description |
A large, gracefully growing specimen. |
Landscape |
Used as a showy tree in big areas and is excellent as a specimen or accent plant. |
Cultivation |
Likes well-drained, sandy light soils. Will grow best if sheltered from harsh winds. |
Shape |
Upright broadly pyramidal. |
Growth |
Fast |
ID Characteristic |
The needles bend near the base causing the pendulous look. |
Pests |
Damping off, root rot, dieback, blister rust, canker, blight. Scale, pine needle miner, pine weevil, bark beetles and pinewood nematode. |
Habitat |
Elevations between 4000 - 8000 m. |
Bark/Stem Description |
The bark is initially smooth but develops shallow fissures and flakey plates over time. |
Flower/Leaf Bud Description |
The winter buds are slightly resinous. |
Leaf Description |
Needles are 12-20 cm long, soft and found in fascicles of five. Young needles stand straight up while the older ones droop. |
Flower Description |
Monoecious. The male strobili are found low in the crown in dense clusters. The females are found higher in the crown which start off standing up straight but eventually become pendulous. |
Fruit Description |
Cylindrical resinous cones that are 15 - 30 cm long. Young cones sit straight up but do become pendulous as they age. The cones are curved much like a banana. |
Colour Description |
The needles are blue/green in colour. The under part of the needle is a white/blue colour giving the tree a silvery/blue cast. Yellow flowers. Brownish-grey cones. |
Texture Description |
Medium, feather-like needles. |
Notable Specimens |
The Niagara Parks Botanical Gardens, Niagara Falls, Ontario, Canada. VanDusen Botanical Garden, Vancouver, British Columbia, Canada. |
Propagation |
By seed. |