Native Plants

Farr’s Willow

Salix farriae

USDA symbol: SAFA

perennial shrub

Canada: native
Lower 48 states: native

If you’ve been struggling with that persistently soggy spot in your yard, meet your new best friend: Farr’s willow (Salix farriae). This tough little native shrub thrives where many other plants would throw in the towel, making it a gardener’s secret weapon for challenging wet conditions. Farr’s willow is a ...

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

If you’ve been struggling with that persistently soggy spot in your yard, meet your new best friend: Farr’s willow (Salix farriae). This tough little native shrub thrives where many other plants would throw in the towel, making it a gardener’s secret weapon for challenging wet conditions.

What is Farr’s Willow?

Farr’s willow is a perennial, multi-stemmed woody shrub that typically stays under 13-16 feet tall. Like most willows, it’s built for life in wet places – and boy, does it deliver on that promise! This native North American species belongs to the extensive willow family, bringing all the classic willow charm in a more compact package.

You might also see this plant listed under its scientific synonyms, including Salix farriae var. microserrulata or Salix hastata var. farriae, but don’t let the name variations confuse you – it’s all the same wonderful plant.

Where Does Farr’s Willow Call Home?

This hardy native has quite the impressive range across northern and western North America. You’ll find Farr’s willow naturally growing in Alberta, British Columbia, Yukon, Northwest Territories, Idaho, Montana, Oregon, Washington, and Wyoming. It’s perfectly at home in both Canada and the lower 48 states, having adapted to some pretty challenging climates over thousands of years.

  • Species observed
  • No observations

Why Your Garden Will Love Farr’s Willow

Here’s where things get exciting for gardeners dealing with wet conditions. Farr’s willow has an Obligate Wetland status across multiple regions, which is fancy talk for this plant absolutely loves wet feet. While most shrubs would sulk or die in consistently moist soil, Farr’s willow practically does a happy dance.

Perfect Spots for Planting

Farr’s willow shines in several garden scenarios:

  • Rain gardens and bioswales
  • Pond or stream edges
  • Low-lying areas that stay moist
  • Naturalized wetland landscapes
  • Erosion control on slopes near water

Growing Conditions and Care

The beauty of native plants like Farr’s willow is that they’re already perfectly adapted to local conditions. This shrub thrives in USDA hardiness zones 2-6, making it incredibly cold-hardy. It prefers full sun to partial shade and, as we’ve established, loves consistently moist to wet soil.

The best part? Once established, Farr’s willow is remarkably low-maintenance. It doesn’t need fancy fertilizers or constant attention – just keep it adequately watered (which shouldn’t be hard if you’ve planted it in an appropriately wet spot).

Planting and Care Tips

  • Plant in spring or early fall for best establishment
  • Ensure consistent moisture, especially during the first growing season
  • Mulch around the base to retain soil moisture
  • Minimal pruning required – just remove dead or damaged branches
  • Allow plenty of space for the multi-stemmed growth habit

Wildlife and Pollinator Benefits

Like most native willows, Farr’s willow is an early-season superstar for pollinators. Its catkins provide crucial nectar when few other plants are blooming, supporting native bees, butterflies, and other beneficial insects. The shrub also offers nesting sites and cover for various wildlife species, making it a valuable addition to any wildlife-friendly landscape.

Is Farr’s Willow Right for Your Garden?

If you have a wet area that needs a hardy, native solution, Farr’s willow could be perfect. It’s especially valuable for gardeners interested in supporting local ecosystems, managing stormwater naturally, or creating habitat for native wildlife.

However, if you’re looking for a shrub for dry, well-drained areas, you’ll want to look elsewhere. This plant’s superpower is thriving in wet conditions – put it in a dry spot, and it won’t be happy.

For gardeners in its native range dealing with challenging wet conditions, Farr’s willow offers an attractive, low-maintenance solution that supports local wildlife while solving a common landscape challenge. Sometimes the best plants are the ones that have been quietly growing in your region for millennia – they just know what they’re doing.

Salix farriae 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 farriae is also known as:

Salix farriae Ball var. microserrulata | USDA symbol: SAFAM
Salix hastata var. farriae Hultén | USDA symbol: SAHAF

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

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

Obligate 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)

Obligate 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 farriae C.R. Ball - Farr'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