Landscape Plants for Alaska
BLACK COTTONWOOD (Cottonwood)
Populus trichocarpa
Deciduous Tree
Height
80 - 100 (feet)
Spread
25 - 50 (feet)
Distinctions
Rapidly growing tree; tolerates wet soil; a tree of Alaska's coastal forests and coastal river valleys; similar to balsam poplar; leaves generally broader than long; leaves shiny green above and whitish below, often with rusty specks; seed capsules hairy and nearly round; seed capsules break into three parts.
Limitations
Messy, drops twigs; cottony seeds on females; spreads by root suckers.
Hardiness
SC, SE (Zone 3)
Origin
Western North America
Cultivars
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