Scouler’s Willow

(Salix scouleriana)

Scouler’s Willow (Salix scouleriana)

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Estimated Native Range
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Summary

Salix scouleriana, commonly known as Scouler’s Willow, is a deciduous tree or large shrub native to a variety of habitats including riparian zones, wetlands, and moist forest clearings in Subarctic America to northwestern North America. It is also known by other names such as fire willow, Nuttall willow, mountain willow, and black willow. Scouler’s Willow typically reaches 2 to 7 meters (6+1⁄2 to 23 ft) in height in challenging environments like dry, cold, high elevations, and can grow up to 10 to 20 meters (33 to 66 ft) in more favorable conditions. The species has a bushy form with multiple stems and can form dense thickets. Its flowers are catkins that appear from mid to late spring, often before the leaves and sometimes while snow is still present. Fruiting occurs from late spring to midsummer, varying by region.

Scouler’s Willow is valued for its ecological role and ornamental qualities. It stabilizes soil and aids in reforestation after disturbances. Along streams, it prevents erosion and maintains cooler water temperatures, benefiting aquatic ecosystems. The early spring flowers provide critical resources for pollinators like honey bees. In gardens, it is used for naturalizing areas, streambank stabilization, and wildlife habitat enhancement. It requires full sun to part shade and can tolerate a wide range of water conditions, from medium to high, and is adaptable to various soil types with different drainage speeds. While generally low-maintenance, it can be susceptible to willow beetle infestations and canker diseases.CC BY-SA 4.0

Plant Description

  • Plant Type: Tree, Shrub
  • Height: 15-18 feet
  • Width: 5-6 feet
  • Growth Rate: Rapid
  • Flower Color: N/A
  • Flowering Season: Spring
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Water: Medium, High
  • Drainage: Fast, Medium, Slow

Common Uses

Bee Garden, Bird Garden, Butterfly Garden, Deer Resistant, Erosion Control, Fire Resistant, Low Maintenance, Water Garden

Natural Habitat

Native to riparian zones, wetlands, and moist forest clearings

Other Names

Common Names: Fire Willow, Nuttall Willow, Mountain Willow, Black Willow

Scientific Names: , Salix scouleriana, Salix scouleriana var. coetanea, Salix scouleriana var. thompsonii, Salix brachystachys, Salix nuttallii, Salix flavescens, Salix scouleriana var. flavescens, Salix scouleriana f. poikila, Salix scoulerana

GBIF Accepted Name: Salix scouleriana Barratt