North America Native Plant

False Mountain Willow

Botanical name: Salix pseudomonticola

USDA symbol: SAPS

Life cycle: perennial

Habit: shrub

Native status: Native to Alaska âš˜ Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Salix barclayi Andersson var. pseudomonticola (C.R. Ball) L. Kelso (SABAP2)   

False Mountain Willow: A Hardy Native Shrub for Northern Gardens If you’re looking for a tough, native shrub that can handle challenging conditions while supporting local wildlife, the false mountain willow might just be your new garden friend. This unassuming member of the willow family brings both practicality and ecological ...

False Mountain Willow: A Hardy Native Shrub for Northern Gardens

If you’re looking for a tough, native shrub that can handle challenging conditions while supporting local wildlife, the false mountain willow might just be your new garden friend. This unassuming member of the willow family brings both practicality and ecological value to northern landscapes.

Meet the False Mountain Willow

Scientifically known as Salix pseudomonticola, the false mountain willow is a perennial shrub that’s perfectly adapted to life in North America’s cooler regions. Don’t let the false in its name fool you – there’s nothing fake about this plant’s ability to thrive where others might struggle.

This multi-stemmed woody shrub typically grows to a manageable 13-16 feet tall, though it often stays smaller depending on growing conditions. With several stems emerging from near the ground, it creates a nice bushy appearance that works well in naturalistic settings.

Where Does It Call Home?

The false mountain willow is a true North American native, with an impressive range spanning from Alaska down through much of Canada and into the northern United States. You’ll find it naturally growing in Alberta, British Columbia, Alaska, Manitoba, Ontario, Quebec, Saskatchewan, Yukon, Northwest Territories, Idaho, Minnesota, Montana, South Dakota, Washington, and Wyoming.

This extensive range tells us something important: this is one adaptable plant that can handle a variety of conditions across different climates and elevations.

Why Consider This Willow for Your Garden?

There are several compelling reasons to give false mountain willow a spot in your landscape:

  • Native credentials: As a true native, it supports local ecosystems and wildlife
  • Cold hardy: Thrives in USDA zones 2-6, perfect for northern gardeners
  • Wetland friendly: Excellent choice for rain gardens or naturally moist areas
  • Early season interest: Spring catkins provide early nectar for pollinators
  • Low maintenance: Once established, it’s quite self-sufficient

Perfect Garden Situations

False mountain willow shines in specific garden settings:

  • Native plant gardens where you want authentic local flora
  • Rain gardens or bioswales that handle stormwater
  • Naturalized areas that mimic wild landscapes
  • Wildlife habitat gardens focused on supporting birds and pollinators
  • Erosion control on slopes or near water features

Growing Conditions and Care

The false mountain willow’s wetland status varies by region, but generally speaking, it loves moisture. In most areas, it’s classified as Facultative Wetland, meaning it usually prefers wet spots but can tolerate drier conditions.

Ideal growing conditions include:

  • Moist to wet, well-draining soil
  • Full sun to partial shade
  • Cool to cold climates (zones 2-6)
  • Consistent moisture, especially during establishment

Planting and Care Tips

Getting your false mountain willow off to a good start is straightforward:

  • Plant in spring: Give it a full growing season to establish
  • Water regularly: Keep soil consistently moist, especially the first year
  • Mulch well: Helps retain moisture and suppress weeds
  • Minimal pruning: Only prune to remove dead or damaged wood
  • Be patient: Like most willows, it may take a season or two to really take off

Wildlife and Pollinator Benefits

While specific wildlife benefits for this species aren’t well-documented, willows as a group are wildlife magnets. The early spring catkins provide crucial nectar and pollen when few other plants are blooming, making them valuable for emerging bees and other pollinators. Birds often use willow branches for nesting, and the leaves may host various caterpillars that feed songbirds.

Is This the Right Plant for You?

False mountain willow is ideal if you’re gardening in its native range and have a naturally moist spot that needs filling. It’s particularly valuable if you’re creating habitat for wildlife or working with challenging wet areas where other plants might struggle.

However, if you’re in a hot, dry climate or looking for a showstopper ornamental, this might not be your best choice. It’s more of a supporting player that works behind the scenes to create healthy, functioning ecosystems.

For northern gardeners committed to native plants and sustainable landscaping, the false mountain willow offers an authentic piece of local ecology that’s both practical and environmentally beneficial. Sometimes the best garden plants are the ones that simply do their job well – and this sturdy willow definitely fits that bill.

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 work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags 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. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Alaska

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Arid West

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Great Plains

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Northcentral & Northeast

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Western Mountains, Valleys, and Coast

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

False Mountain Willow

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Salicales

Family

Salicaceae Mirb. - Willow family

Genus

Salix L. - willow

Species

Salix pseudomonticola C.R. Ball - false mountain willow

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