Missouri River Willow

Salix eriocephala

Native to:
Canada, Prince Edward I., United States, Virgin Islands

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Salicaceae
Genus:
Salix
Species:
Salix eriocephala
USDA Symbol:
SAER

Growth Characteristics

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

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

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

large looper moth (Autographa ampla), Melanchra assimilis, modest furcula (Furcula modesta), Spiramater lutra, White Underwing (Catocala relicta)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, birds, small mammals
Fall Color:
yellow

Soil Requirements

Soil Type:
moist, fertile, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found near streams and wetlands

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds are short-lived; sow fresh on moist soil surface. Cold stratification may improve germination of stored seed.