Scientific Name:
Pinus monticola
Pronunciation:
PYE-nus mont-ee-KO-luh
Common Name:
western white pine
Family Name:
Pinaceae
Plant Type:
Conifer
Key ID Features:
Needles 5 per fascicle, 4-10cm long x 0.7-1mm wide, slightly twisted, straight, margins finely serrulate, blue-green; female cones narrow, 10-25cm long; seeds 5-7mm long, wing 2-2.5cm long; seedlings with 7-10 cotyledons. Conifers.org
Habit:
Upright
Form:
Pyramidal - narrowly
Texture:
Medium - fine
Mature Height:
22 - 30m
Mature Spread:
10 - 15m
Growth Rate:
Fast
Origin:
B.C. west of Cascades
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun
Soil/Growing Medium:
Well-drained
Landscape Uses:
Forestry
Additional Info:
Leaf Morphology:
Form:
Needle-like
Arrangement:
Fascicles
Texture/Venation:
Soft flexible
Surfaces:
Glabrous
Colour in Summer:
Bluish
Shapes:
Acicular
Apices:
Acute
Bases:
Truncate
Margins:
Entire
Additional Info:
In groups of 5; 5-10cm long, soft, flexible, edges finely serrate.
Inflorescence Type:
n/a (male cone)
Flower Morphology:
Monoecious plant
Colour (petals):
Male cone, No flowers, Yellow
Flower Time at Peak:
Mar, Apr
Additional Info:
takes several years before cones form
Fruit Type:
Cone (winged seeds)
Fruit Colour:
Brown
Fruiting Time:
Sep, Oct
Additional Info:
takes several years before cones form
Bark Morphology:
Plated, Smooth
Bark or Stem Colour:
Organ Modifications:
Ectomycorrhizae
Propagation:
Seed
Pest Susceptibility:
Beetles or weevils (Deer resistant, Drought tolerant)
Specific Pests:
