Native Plants

Booth’s Willow

Salix boothii

USDA symbol: SABO2

perennial shrub

Alaska: native
Canada: native
Lower 48 states: native

If you’re looking for a tough, fast-growing native shrub that thrives in those soggy spots where other plants struggle, Booth’s willow might be your new best friend. This unassuming but incredibly useful shrub has been quietly doing important ecological work across western North America for centuries, and it’s ready to ...

Booth’s Willow: A Hardy Native Shrub for Wet Areas

If you’re looking for a tough, fast-growing native shrub that thrives in those soggy spots where other plants struggle, Booth’s willow might be your new best friend. This unassuming but incredibly useful shrub has been quietly doing important ecological work across western North America for centuries, and it’s ready to do the same in your landscape.

Meet Booth’s Willow

Booth’s willow (Salix boothii) is a perennial, multi-stemmed shrub that typically grows to about 24 feet tall, though it’s often much shorter in garden settings. Don’t let its modest appearance fool you – this hardy native is a powerhouse when it comes to erosion control and wildlife support.

As a member of the willow family, Booth’s willow shares the characteristic rapid growth and moisture-loving nature of its relatives. What sets it apart is its exceptional cold tolerance and ability to thrive in challenging mountain and northern climates.

Where Booth’s Willow Calls Home

This remarkable shrub is native to a vast swath of western North America, naturally occurring in Alaska, western Canada, and throughout the western United States. You’ll find it growing wild in Alberta, British Columbia, Alaska, Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming.

  • Species observed
  • No observations

Booth’s willow is perfectly adapted to USDA hardiness zones 2 through 7, making it one of the most cold-tolerant willows you can grow. If you live in these zones and have challenging wet areas, this native shrub could be exactly what you need.

Why Choose Booth’s Willow for Your Landscape?

There are several compelling reasons to consider adding Booth’s willow to your garden:

  • Native plant benefits: Supporting local ecosystems and wildlife
  • Rapid growth: Quickly establishes and fills in problem areas
  • Erosion control: Excellent for stabilizing slopes and streambanks
  • Low maintenance: Requires minimal fertilization once established
  • Cold hardy: Survives extreme winter temperatures
  • Early pollinator support: Spring catkins provide nectar when few other sources are available

Perfect Garden Situations

Booth’s willow shines in specific landscape situations where many other plants would struggle:

  • Rain gardens: Handles periodic flooding beautifully
  • Streamside plantings: Natural choice for riparian restoration
  • Bog gardens: Thrives in consistently wet conditions
  • Naturalized areas: Creates authentic native plant communities
  • Erosion-prone slopes: Stabilizes soil with extensive root system
  • Wildlife gardens: Provides habitat and food sources

Growing Conditions and Care

The key to success with Booth’s willow is understanding its water needs. This shrub has high moisture requirements and low drought tolerance, so consistent water is essential.

Soil Requirements

Fortunately, Booth’s willow is quite adaptable when it comes to soil:

  • Accepts coarse, medium, or fine-textured soils
  • pH range of 5.5 to 8.0
  • Tolerates medium levels of calcium carbonate
  • No salinity tolerance

Light and Water

  • Light: Full sun to partial shade (shade tolerant)
  • Water: High moisture needs – think wet meadows and streambanks
  • Wetland status: Ranges from facultative wetland to obligate wetland depending on region

Planting and Propagation Tips

Getting Booth’s willow established in your landscape is relatively straightforward:

  • Timing: Plant in spring after frost danger passes
  • Spacing: Allow 1,200 to 11,000 plants per acre depending on desired density
  • Propagation options: Grows easily from seed, cuttings, bare root, or container plants
  • Root depth: Needs at least 12 inches of soil depth
  • Mulching: Benefits from organic mulch to retain moisture

Propagation Methods

One of the great things about Booth’s willow is how easy it is to propagate:

  • Cuttings: Take hardwood cuttings in late winter
  • Seeds: Collect fresh seeds in summer through fall (about 6.48 million seeds per pound!)
  • Commercial availability: Routinely available from native plant nurseries

What to Expect

Booth’s willow is a fast grower that will quickly establish once planted in suitable conditions. The shrub typically reaches its mature height of around 24 feet within 20 years, though it may stay smaller in drier or more challenging sites.

In spring, you’ll enjoy the early catkins that appear in late spring, providing crucial early-season resources for pollinators. The medium-textured, green foliage provides moderate summer porosity, becoming more open in winter after leaf drop.

This shrub has excellent resprouting ability and can handle moderate fire exposure, making it valuable for restoration projects in fire-prone areas.

Is Booth’s Willow Right for Your Garden?

Booth’s willow is an excellent choice if you:

  • Have consistently wet or boggy areas in your landscape
  • Want to support native wildlife and pollinators
  • Need erosion control on slopes or near water features
  • Live in USDA zones 2-7
  • Prefer low-maintenance, fast-growing plants
  • Are working on habitat restoration projects

However, this shrub might not be the best fit if you have dry, well-drained soils or are looking for a compact, formal landscape plant. Booth’s willow needs its feet wet to truly thrive.

For gardeners blessed with wet, challenging areas that seem impossible to landscape, Booth’s willow offers an elegant native solution that benefits both your property and local ecosystems. Give this hardworking shrub the moisture it craves, and it will reward you with rapid growth, erosion control, and valuable wildlife habitat for years to come.

Salix boothii is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Salix boothii is also known as:

Salix curtiflora auct. non | USDA symbol: SACU7
Salix myrtillifolia auct. non | USDA symbol: SAMY4
Salix myrtillifolia Andersson var. curtiflora auct. non Bebb ex | USDA symbol: SAMYC2
Salix novae-angliae auct. non | USDA symbol: SANO2
Salix pseudocordata auct. non | USDA symbol: SAPS3
Salix pseudomyrsinites auct. non | USDA symbol: SAPS5
Salix pseudocordata var. aequalis Ball ex | USDA symbol: SAPSA
Salix pseudomyrsinites Andersson var. aequalis Andersson ex | USDA symbol: SAPSA2

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" — matching plants to their ideal growing conditions, so they'll thrive with less care and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection can be if you don't have the right information. While tags on nursery plants list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. You might be surprised to learn that popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. The table below gives insight into the preferred growing conditions of this plant throughout its geographical distribution.

Region
Preferred Habitat

Alaska ()

Obligate Wetland

Arid West (AZ, CA, CO, ID, MT, NV, NM, OR, TX, UT, WA, WY)

Facultative Wetland

Western Mountains, Valleys, and Coast (AZ, CA, CO, ID, MT, NV, NM, OR, SD, UT, WA, WY)

Facultative Wetland
Wetland Glossary
Obligate Wetland
Facultative Wetland
Facultative
Facultative Upland
Obligate Upland
Almost always occurs in wetlands
Usually occurs in wetlands but may occur in non-wetlands
Can occur in wetlands and non-wetlands
Usually occurs in non-wetlands but may occur in wetlands
Almost never occurs in wetlands

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Dilleniidae
Order: Salicales
Family: Salicaceae Mirb. - Willow family
Genus: Salix L. - willow

Species: Salix boothii Dorn - Booth's willow

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA