Barren Ground Willow

Salix nummularia

Native to:
China, Japan, Korea, Russia, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Salicaceae
Genus:
Salix
Species:
Salix nummularia
USDA Symbol:
SANU4

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Subshrub
Height:
10 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may,jun
Bloom Colors:
yellow
Ground Cover:
Yes

Wildlife Benefits

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)

Garden & Ecology Notes

Wildlife Value:
birds, butterflies, small mammals

Soil Requirements

Soil Type:
moist, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
good drainage preferred
Moisture:
consistently moist
Notes:
native to alpine and subalpine regions

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds are short-lived; sow fresh or cold stratify for 30-60 days.