Larix occidentalis
Common name: 
Western Larch
Western Tamarack
LAR-iks ok-si-deb-TAH-lis
Native to (or naturalized in) Oregon: 
  • Deciduous conifer, large, to 230 ft (70 m), open and pyramidal, horizontal branches, short spur shoots.  Leaves in clusters of 15-30, each 3-5 cm long, glossy pale green, yellowish in fall.  Mature cones 3-5 cm long, reddish brown, about 30 scales, bract tip extends beyond the scale.
  • Sun, moist, light soil; grows rapidly, and soon too large for the average garden.
  • Hardy to USDA Zone 4     Native range extends from the eastern slopes of the Cascades to the Northern Rocky Mountains (i.e., Oregon, Washington, British Columbia, Alberta, Idaho, and Montana).  Limited number of landscape selections; one is 'Bollinger', a dwarf shrub.
  • occidentalis: western.
  • Oregon State Univ. campus: southeast Peavy Hall, near sidewalk.
Click image to enlarge
  • expanding leaves, spring

    expanding leaves, spring

  • plant habit, summer

    plant habit, summer

  • branches with cones

    branches with cones

  • leaf clusters

    leaf clusters

  • developing cone and leaves

    developing cone and leaves

  • cone at seed release

    cone at seed release

  • leaves and cones

    leaves and cones

  • early and late fall, landscape plants

    early and late fall, landscape plants

  • young tree in a forest in fall

    young tree in a forest in fall

  • plant habit, fall

    plant habit, fall

  • trunk, bark

    trunk, bark