Pinus monticola
Common name: 
Western White Pine
Pronunciation: 
PI-nus mon-TI-ko-la
Family: 
Pinaceae
Genus: 
Type: 
Conifer
Native to (or naturalized in) Oregon: 
Yes
  • Conifer, evergreen tree, 100 ft (30 m), narrow, open, conical crown of horizontal branches.  Needles 5 per bundle, 5-10 cm long, slightly stout, blue-green, 4-5 white stomatal lines on inner surface, bundle sheath 18 mm long, shed first year.  Cones terminal, solitary or grouped 2-5, 13-23 cm long, narrowly cylindrical, mostly short stalked, pitchy, may drip pitch in warm weather.  (Difficult to distinguish from Pinus strobus, but P. monticola needles stiffer, growth more dense, and cones tend to be larger.)
  • Sun.
  • Hardy to USDA Zone 3      Native to the northern Rocky Mountains from British Columbia to Montana, also along Pacific Coast south through the Sierra Nevada to Central California.
  • Two cultivars:
    • 'Nana'  -  dwarf shrub, slow-growing, 2 ft tall × 2 ft wide (0.6 × 0.6 m) in 10 years, irregular shape, needles short
    • 'Pendula'  -  tree, 5-10 ft (1.5-3 m) in 10 years, very pendulus branches and a bowed stem
  • monticola: inhabiting mountains
Click image to enlarge
  • plant habit

    plant habit

  • branch and cone

    branch and cone

  • branch tip, needles

    branch tip, needles

  • shoot and needles

    shoot and needles

  • needles, emphasizing fine texture

    needles, emphasizing fine texture

  • needles, close-up

    needles, close-up

  • needle, close-up, comparison with P. strobus

    needle, close-up, comparison with P. strobus

  • pollen and seed cones, June

    pollen and seed cones, June

  • immature seed cones

    immature seed cones

  • Cones

    Cones

  • branch and mature cones

    branch and mature cones

  • trunk, bark

    trunk, bark