Northwest Sandbar Willow
Salix sessilifolia
Stephen Laymon, Bureau of Land Management
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Salicaceae
- Genus:
- Salix
- Species:
- Salix sessilifolia
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 12-20 ft
- Light Requirements:
- Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- jun, jul
- Bloom Colors:
- White
- Landscaping Shrub:
- Yes
Native Range
United States: California, Oregon, Washington, Canada: British Columbia
Keystone Species Ranking
- Caterpillar Keystone:
- ★☆☆☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
- Bee Keystone:
- ★☆☆☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)
Host Plant for Caterpillars
Acleris hastiana, Anacampsis sacramenta, Filatima saliciphaga, fruit-tree leafroller (Archips argyrospila), Pandemis leafroller (Pandemis pyrusana)
Soil Requirements
- Soil Type:
- moist, nutrient-rich alluvial soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found along riverbanks and floodplains