Weeping Willow

Salix × pendulina

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Salicaceae
Genus:
Salix
Species:
Salix × pendulina
USDA Symbol:
SASE10

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Tree
Height:
1500 cm
Drought Tolerance:
Low
Bloom Months:
mar,apr,may
Bloom Colors:
yellow, green

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

Acleris hastiana, Automeris zephyria, Brown-tail moth (Euproctis chrysorrhoea), Buck Moth (Hemileuca maia), Calleta silkmoth (Eupackardia calleta), Ceanothus Silkmoth (Hyalophora euryalus), Cecropia moth (Hyalophora cecropia), Clostera apicalis, Clostera cupreata, Columbia silk moth (Hyalophora columbia), Io moth (Automeris io), Louisiana eyed silkmoth (Automeris louisiana), Micrurapteryx salicifoliella, Mother Underwing (Catocala parta), Nevada buck moth (Hemileuca nevadensis), Phyllonorycter salicifoliella, Phyllonorycter scudderella, Polyphemus moth (Antheraea polyphemus), Red-humped caterpillar moth (Schizura concinna), Viceroy (Basilarchia archippus), Western Tiger Swallowtail (Papilio rutulus)

Garden & Ecology Notes

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

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Willow seeds are short-lived and must be sown fresh on moist soil; light enhances germination.

The above propagation data sourced from Claude AI