Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Salicaceae

Genus:

Salix

Species:

Salix tweedyi

USDA Symbol:

SATW

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Shrub

Height:

100 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

may,jun,jul

Bloom Colors:

yellow

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)

Garden & Ecology Notes

Wildlife Value:

birds, bees, butterflies

Fall Color:

yellow

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from root crown following fire; typical willow fire response in montane habitats.

Soil Requirements

Soil Type:

moist, well-drained loamy soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

good drainage required

Moisture:

consistently moist

Notes:

prefers riparian zones with periodic flooding

Propagation & Germination

Stratification:

None required

Germination Time:

7–28 days

Notes:

Willow seeds are short-lived and must be sown fresh on moist soil surface; light aids germination.

The above propagation data sourced from Claude AI