Populus grandidentata
Common name: 
Bigtooth Aspen
pop-U-lus gran-di-den-TA-ta
Native to (or naturalized in) Oregon: 
  • Broadleaf deciduous tree, to 50-70 ft tall and 20-40 ft wide (~15-20 × 6-12 m), pyramidal when young, becoming oval, open and irregular with age.  Bark thin, gray tinged with green; on old tree, fissured, dark brown with red.  Leaves alternate, simple, broad-ovate to elliptic,7.5-10 cm long, tip sharp pointed, base truncated to broad wedge-shaped, lower margin entire, upper part has coarse, dentate teeth, upper surface dark green, lower surface gray pubescent; petiole 2.5-6 cm long.  Males (brown and red) and females (green) flowers occur in hanging, 5-7 cm long downy catkins; they apper before the leaves in early spring.  Fruits are a string of green, downy capsules which release cottony seeds. 
  • Sun to part shade.  Best in fertile, moist soil.  Fast growing.
  • Hardy to USDA Zone (2) 3    Native from Nova Scotia to Ontario and Minnesota, south to North Carolina, Tennessee, Illinois and Iowa.
  • grandidentata: having big teeth; grandi, big, and dentata, teeth.
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  • plant habit

    plant habit

  • foliage


  • leaf and margin

    leaf and margin

  • leaf, underside

    leaf, underside

  • trunk, bark

    trunk, bark