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Populus heterophylla L.
Swamp cottonwood, Swamp poplar, Black cottonwood, Downy poplar
USDA Symbol: POHE4
USDA Native Status: Native to U.S.
Most recently discovered Canadian tree (April 2003). Found in Bickford Woods south of Sarnia, Ont.
Plant CharacteristicsDuration: Perennial Habit: Tree Leaf:
Green Autumn Foliage:
Bloom InformationBloom Color: White
Bloom Time: Apr
AL , AR , CT , DE , FL , GA , IL , IN , KY , LA , MD , MI , MO , MS , NC , NJ , NY , OH , PA , RI , SC , TN , VA Canada: ON Native Habitat:
Forest,Swamp/Marsh USDA Native Status: L48(N), CAN(N)
Growing ConditionsWater Use: High
Light Requirement: Sun
Soil Moisture: Moist
CaCO3 Tolerance: Low
Soil Description: Clay, Loam
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Record Modified: 2012-10-20
Research By: TWC Staff