Details of...
Scientific Name: Larix occidentalis
Pronunciation: LAIR-icks ock-sih-den-TAY-liss
Common Name: western larch (seedling)
Family Name: Pinaceae
Plant Type: Conifer, Tree - deciduous
Key ID Features: Seedlings with 6 cotyledons.
Course(s): HORT 1193/1293

Habit: Upright
Form: Pyramidal - widely
Texture: Medium
Mature Size:
Height:> 30m
Spread:15 - 25m
Growth Rate:Moderate
Origin: B.C. east of Cascades, U.S. - northwest
Hardiness Rating: Zone 4: (-34 to -29 C)
Exposure: Filtered shade, Full sun
Soil/ Growing Medium:
Landscape Uses: Forestry
Additional Info: Google
western larch (seedling)
Leaf Morphology: Glossary
Form: Needle-like
Arrangement: Fascicles
Texture/ Venation: Prickly
Colour in Fall: Yellow
Leaf(let) Terms:
Shapes: Acicular
Additional Info: Spectacular fall colour, 2.5-4.5 cm; soft, flexible, spirally arranged. Appear in two different ways on two kinds of twigs: At ends of branches, twigs elongate and bear single lvs. distinctly separated from each other; farther back on branches, twigs do not elongate, lvs. crowded together, appear to be in clusters of 15-30.

Inflorescence Type: n/a
Flower Morphology:Dioecious plant
Colour (petals): No flowers, Yellow
Flower Time at Peak:
Fruit Type: Cone (winged seeds)
Fruit Colour: Brown
Fruiting Time:
Bark Morphology: Plated
Bark or Stem Colour: Red, Brown
Organ Modifications: Ectomycorrhizae

Propagation: Seed
Pest Susceptibility: Drought resistant
(GNH) GreeNHouse
(NRY) NuRserY
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