North America Native Plant

Argus’ Willow

Botanical name: Salix ×argusii

USDA symbol: SAAR21

Life cycle: perennial

Habit: shrub

Native status: Native to Canada  

Argus’ Willow: A Hardy Canadian Native for Wet Sites Meet Argus’ willow (Salix ×argusii), a charming native shrub that’s perfectly at home in Canada’s challenging climate. This perennial woody plant brings the graceful beauty of willows to your landscape while supporting local ecosystems with its native credentials. Where Argus’ Willow ...

Argus’ Willow: A Hardy Canadian Native for Wet Sites

Meet Argus’ willow (Salix ×argusii), a charming native shrub that’s perfectly at home in Canada’s challenging climate. This perennial woody plant brings the graceful beauty of willows to your landscape while supporting local ecosystems with its native credentials.

Where Argus’ Willow Calls Home

Argus’ willow is a true Canadian native, naturally occurring in Manitoba and Quebec. This hardy shrub has adapted to some of North America’s most demanding growing conditions, making it a resilient choice for gardeners in similar climates.

What Makes This Willow Special

As a hybrid willow species (indicated by the × in its botanical name), Argus’ willow combines the best traits of its parent species. This multi-stemmed shrub typically grows to a manageable 13-16 feet in height, though it can sometimes reach taller heights or develop a single stem depending on environmental conditions.

Like most willows, Argus’ willow likely features the characteristic narrow leaves and graceful branching pattern that makes willows so appealing in the landscape. The shrub’s multiple stems create a full, bushy appearance that works beautifully in naturalized settings.

Perfect Places for Argus’ Willow

This native shrub shines in specific landscape situations:

  • Naturalized gardens and wild spaces
  • Rain gardens and bioswales
  • Erosion control on slopes near water
  • Wildlife habitat gardens
  • Native plant collections

Given its Canadian origins, Argus’ willow is likely extremely cold-hardy, probably thriving in USDA zones 2-6. This makes it an excellent choice for northern gardeners seeking reliable native plants.

Growing Argus’ Willow Successfully

While specific growing requirements for this particular willow aren’t widely documented, most willows share similar needs:

  • Moisture: Willows typically love consistent moisture and can handle wet feet better than most shrubs
  • Sunlight: Full sun to partial shade usually works best
  • Soil: Adaptable to various soil types, but particularly happy in moist, well-draining locations
  • Maintenance: Generally low-maintenance once established

Wildlife and Pollinator Benefits

Native willows are ecological powerhouses, and Argus’ willow likely follows suit. Early-blooming willows provide crucial pollen and nectar when few other plants are flowering, making them vital for emerging pollinators. The shrub’s structure also offers nesting sites and cover for birds and small wildlife.

Is Argus’ Willow Right for Your Garden?

Consider planting Argus’ willow if you:

  • Garden in Manitoba, Quebec, or similar climates
  • Have consistently moist or wet areas in your landscape
  • Want to support native wildlife and pollinators
  • Appreciate the graceful form of willows
  • Need erosion control near water features

However, this might not be the best choice if you’re outside its native range or prefer plants that thrive in dry conditions. In those cases, consider researching willows native to your specific region.

Finding and Caring for Your Argus’ Willow

Since this is a specific hybrid willow native to limited regions, you may need to contact native plant nurseries in Manitoba or Quebec to source it. When planting, choose a location with adequate moisture and be patient – willows often establish quickly once their roots find water.

Remember that as a native species with a limited range, it’s important to source your plant responsibly from reputable native plant suppliers rather than collecting from wild populations.

Argus’ 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 ×argusii B. Boivin [brachycarpa ssp. brachycarpa × candida] - Argus' willow

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