Diamondleaf Willow
Salix planifolia
- Native to:
- Canada, Labrador, United States
Ansgar Walk
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Salicaceae
- Genus:
- Salix
- Species:
- Salix planifolia
- USDA Symbol:
- SAPL2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Subshrub , Tree
- Height:
- 600 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- 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
Clouded Sulphur (Colias scudderii)
Garden & Ecology Notes
- Wildlife Value:
- beavers, birds, butterflies, small mammals
- Fall Color:
- yellow
Soil Requirements
- Soil Type:
- rich, moist, organic soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in wetlands and along streams.
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds are short-lived and should be sown fresh; no pretreatment needed if sown immediately.
Pre-treatment: None required
Establishment: S. planifolia is found from Alaska to Newfoundland and south to New Hampshire, Maine, Wisconsin, Minnesota, South Dakota and south through the western states to New Mexico, Arizona, and California.
Source: npn.rngr.net