Balsam Willow

Salix pyrifolia

Native to:
Canada, Labrador, Prince Edward I., United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Salicaceae
Genus:
Salix
Species:
Salix pyrifolia
USDA Symbol:
SAPY

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Tree
Height:
600 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
apr,may,jun
Bloom Colors:
yellow, green
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Caterpillar Keystone:
★★★★★ Butterfly & moth species supported by this genus (NWF)
Pollen Specialist Bee Keystone:
★★★★★ Native pollen specialist bee species supported by this genus (NWF)

Host Plant for Caterpillars

Io moth (Automeris io), Dreamy Duskywing (Erynnis icelus)

Garden & Ecology Notes

Wildlife Value:
birds, bees, butterflies, small mammals
Fall Color:
yellow
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from the root crown and stump following fire or cutting.

Soil Requirements

Soil Type:
moist, nutrient-rich loamy soil
pH:
5.0 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found in wetlands and along streams

Propagation & Germination

Stratification:
None required
Germination Time:
7–28 days
Notes:
Willow seeds are short-lived and must be sown fresh on moist substrate; no pretreatment needed.

The above propagation data sourced from Claude AI