Larix occidentalis
Common name: 
Western Larch
Western Tamarack
Pronunciation: 
LAR-iks ok-si-deb-TAH-lis
Family: 
Pinaceae
Genus: 
Type: 
Conifer
Native to (or naturalized in) Oregon: 
Yes
  • Deciduous conifer, large, to 230 ft (70 m), open and pyramidal, horizontal branches, short spur shoots.  The trunk is often devoid of branches over much of its length.  Bark is reddish brown, scaly at first but becoming thick and furrowed.  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).   Fairly common in the Camp Sherman area in central Oregon, although at the western edge of its native range.
  • ​Limited number of landscape selections; one is 'Bollinger', a dwarf shrub.
  • occidentalis: western.
  • Oregon State Univ. campus: 
Click image to enlarge
  • emerging shoots and female cone, early March

    emerging shoots and female cone, early March

  • expanding leaf clusters, April

    expanding leaf clusters, April

  • developing shoots and young cones, June

    developing shoots and young cones, June

  • plant habit, in a landscape

    plant habit, in a landscape

  • developing cone and leaves

    developing cone and leaves

  • branches with cones

    branches with cones

  • 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

  • fall, mixed conifer forest, central Oregon

    fall, mixed conifer forest, central Oregon

  • young tree, fall

    young tree, fall

  • plant habit, fall, in habitat

    plant habit, fall, in habitat

  • trunk, bark

    trunk, bark