Salicaceae

Woolly willow

Salix calcicola Fernald & Wiegand

Family: Salicaceae
Genus: Salix

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Woolly willow (Salix calcicola) — FlowerPhoto: Todd Boland, CC BY 4.0, from iNaturalist

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Common names

By language (1)

English: Woolly willow, Limestone willow

Synonyms

Salix calcicola var. calcicola
Salix calcicola var. nicholsiana Polunin
Salix lanata subsp. calcicola (Fernald & Wiegand) Hultén
Salix richardsonii var. macouniana Bebb

Flowers

In flower: May to July (from 17 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Shrub
Lifespan: Perennial
In the US and Canada: Canada: native, Lower 48 states: native

Photos

FlowerPhoto: Todd Boland, CC BY 4.0, from iNaturalist
FlowerPhoto: Caleb Catto, CC BY 4.0, from iNaturalist
FlowerPhoto: Caleb Catto, CC BY 4.0, from iNaturalist
FruitPhoto: Noah How, CC BY 4.0, from iNaturalist
LeavesPhoto: Patrice Dupont, CC BY 4.0, from iNaturalist
FruitPhoto: Anders Hastings, CC BY 4.0, from iNaturalist
FruitPhoto: John Brew, CC BY 4.0, from iNaturalist
LeavesPhoto: Brandon Corder, CC BY 4.0, from iNaturalist
FruitPhoto: Todd Boland, CC BY 4.0, from iNaturalist
LeavesPhoto: Brandon Corder, CC BY 4.0, from iNaturalist
LeavesPhoto: Rob Foster, CC BY 4.0, from iNaturalist
LeavesPhoto: Brandon Corder, CC BY 4.0, from iNaturalist

More in Salix

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.