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Woody > Pinus > Pinus wallichiana > Pinus wallichiana

Pinus wallichiana


Himalayan Pine or Bhutan Pine




Origin:  Himalayan Mountains including the Annapurna region in western Nepal. Introduced into cultivation in 1827.
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
Photographs
Description and Growing Information
Flowering Period
May
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.
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