Mackenzie's Willow
Salix prolixa
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Salicaceae
- Genus:
- Salix
- Species:
- Salix prolixa
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 12-20 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- mar, apr, may, jun
- Bloom Colors:
- Yellow, Purple
- Landscaping Shrub:
- Yes
Native Range
United States: Alaska, California, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming, Canada: Alberta, British Columbia, Northwest Territories, Yukon
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
Io moth (Automeris io), large looper moth (Autographa ampla), Melanchra assimilis, modest furcula (Furcula modesta), Spiramater lutra, White Underwing (Catocala relicta), Dreamy Duskywing (Erynnis icelus)
Soil Requirements
- Soil Type:
- moist, nutrient-rich loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found along streams and wetlands.