Native Plants

Barclay’s Willow

Salix barclayi

USDA symbol: SABA3

perennial shrub

Alaska: native
Canada: native
Lower 48 states: native

If you’ve got a soggy spot in your yard that gives you gardening headaches, let me introduce you to a plant that might just become your new best friend. Barclay’s willow (Salix barclayi) is one of those unsung heroes of the native plant world – a tough-as-nails shrub that actually ...

Barclay’s Willow: A Hardy Native Shrub for Wet Spots

If you’ve got a soggy spot in your yard that gives you gardening headaches, let me introduce you to a plant that might just become your new best friend. Barclay’s willow (Salix barclayi) is one of those unsung heroes of the native plant world – a tough-as-nails shrub that actually thrives where other plants fear to tread.

What Makes Barclay’s Willow Special?

This perennial shrub is a true North American native, naturally found across Alaska, western Canada, and the mountainous regions of the western United States including Colorado, Idaho, Montana, Washington, and Wyoming. It’s perfectly at home in some of the continent’s most challenging climates, which tells you something about its resilience.

  • Species observed
  • No observations

Barclay’s willow is what botanists call a multi-stemmed shrub, typically growing to about 15 feet tall with a rapid growth rate. Don’t let that rapid part scare you – we’re talking willow-fast, not invasive-weed-fast. The plant produces dense summer foliage that’s green and medium-textured, creating a pleasant backdrop in the landscape.

Why You Might Want to Plant It

Here’s where Barclay’s willow really shines: it’s incredibly adaptable to wet conditions. Depending on your region, this plant ranges from facultative (can handle wet or dry) to obligate wetland (almost always found in wet areas). If you have:

  • A rain garden that needs filling
  • A low spot that stays soggy
  • Streamside areas needing stabilization
  • Wildlife habitat goals

Then Barclay’s willow deserves serious consideration. Its early spring catkins provide crucial nectar and pollen when few other plants are blooming, making it a pollinator magnet when bees are desperately seeking food sources.

Growing Conditions and Care

This willow is refreshingly honest about what it wants: moisture, and lots of it. It has high moisture requirements and low drought tolerance, so don’t plant it in that dry, sunny border unless you’re prepared to water religiously.

Here’s what Barclay’s willow prefers:

  • Soil: Adaptable to coarse, medium, or fine-textured soils
  • pH: Slightly acidic to neutral (5.5-7.5)
  • Sun exposure: Full sun (it’s shade intolerant)
  • Hardiness: Extremely cold hardy (down to -43°F!), suitable for USDA zones 2-6
  • Water: High moisture needs – this is not a set it and forget it plant unless you have naturally wet conditions

Planting and Propagation

Getting your hands on Barclay’s willow might require some detective work, as it has no known commercial sources readily available. However, it can be propagated through bare root plants, containers, or cuttings. The seeds require cold stratification and have low seedling vigor, so vegetative propagation is often more successful.

If you do manage to source some, plant in spring after the last frost. Give each plant plenty of room – you can plant anywhere from 1,700 to 4,800 per acre depending on your goals, but for home landscapes, think spacing of 6-8 feet apart.

Landscape Design Ideas

Barclay’s willow works beautifully in:

  • Native plant gardens: Pairs well with other moisture-loving natives
  • Wildlife gardens: Provides early pollinator food and likely supports various wildlife (though specific benefits aren’t well documented)
  • Rain gardens: Excellent for managing stormwater runoff
  • Natural areas: Perfect for naturalized, low-maintenance landscapes
  • Erosion control: Those roots will help stabilize slopes and banks

The Reality Check

Let’s be honest – Barclay’s willow isn’t going to win any most gorgeous shrub contests. Its flowers aren’t particularly showy, it’s not fall-conspicuous, and it requires consistent moisture. But sometimes the best plants aren’t the flashiest ones. This is a workhorse species that solves problems while supporting local ecosystems.

If you’re looking for a low-maintenance, drought-tolerant shrub for a dry garden, keep looking. But if you have wet conditions and want a native plant that will thrive while supporting wildlife, Barclay’s willow might be exactly what your landscape needs.

The key is matching the right plant to the right place – and for wet, challenging sites in cold climates, few plants are as well-suited as this hardy native willow.

Salix barclayi 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 barclayi is also known as:

Salix barclayi Andersson var. angustifolia Andersson ex | USDA symbol: SABAA
Salix barclayi Andersson var. conjuncta Ball ex | USDA symbol: SABAC
Salix conjuncta | USDA symbol: SACO21
Salix hoyeriana | USDA symbol: SAHO6
Salix pyrolifolia Andersson var. hoyeriana | USDA symbol: SAPYH
Salix regelii | USDA symbol: SARE15

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 ()

Facultative

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

Facultative Wetland

Great Plains (CO, KS, MN, MT, NE, NM, ND, OK, SD, TX, WY)

Obligate 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 barclayi Andersson - Barclay'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