Balsam Poplar, Black Cottonwood

Populusbalsamifera

Family
Salicaceae (sal-i-KAY-see-ee)
Genus
Populus (POP-yoo-lus)
Species
balsamifera (bal-sam-EE-fer-uh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Grown for foliage
Deciduous
Provides Winter Interest
Height
over 40 ft. (12 m)
Spacing
30-40 ft. (9-12 m)
over 40 ft. (12 m)
Hardiness
USDA Zone 2a: to -45.5 °C (-50 °F)
USDA Zone 2b: to -42.7 °C (-45 °F)
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
Bloom Color
Chartreuse (yellow-green)
Bloom Time
Other Details
Category
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
Seed Collecting
Bag seedheads to capture ripening seed
Collect seedhead/pod when flowers fade; allow to dry
Seed does not store well; sow as soon as possible
Regional

This plant is said to grow outdoors in the following regions:

Denison, Iowa

Belfield, North Dakota

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Gardener's Notes:

0
positive
1
neutral
0
negative
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Ottawa, ON (Zone 5a) | December 2004 | neutral

Balsam poplar has wide-spreading roots; don't plant near septic systems, wells or city water/sewage lines.

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