North America Non-native Plant

Willow

Botanical name: Salix bicolor

USDA symbol: SABI8

Native status: Not native but doesn't reproduce and persist in the wild

The Mystery of Salix bicolor: A Willow That’s Hard to Pin Down If you’ve stumbled across the name Salix bicolor in your gardening research, you might be scratching your head—and for good reason! This particular willow presents quite the botanical puzzle that even seasoned gardeners and plant enthusiasts find perplexing. ...

The Mystery of Salix bicolor: A Willow That’s Hard to Pin Down

If you’ve stumbled across the name Salix bicolor in your gardening research, you might be scratching your head—and for good reason! This particular willow presents quite the botanical puzzle that even seasoned gardeners and plant enthusiasts find perplexing.

What Exactly Is Salix bicolor?

Here’s where things get interesting (and a bit frustrating): Salix bicolor doesn’t appear to be a widely recognized or currently accepted species name in major botanical databases. The name bicolor, which literally means two-colored, suggests a plant with distinctive dual-toned foliage or bark, but without clear taxonomic backing, we’re left with more questions than answers.

This mystery name might be:

  • An outdated scientific name that’s no longer in use
  • A regional or colloquial reference to another willow species
  • A misidentification or confusion with a similar-looking willow
  • A very localized variety that hasn’t gained widespread recognition

The Challenge for Gardeners

Without reliable information about native status, geographical distribution, or specific growing requirements, it’s nearly impossible to provide solid gardening advice for Salix bicolor specifically. We simply don’t have enough verified data about this plant’s:

  • Natural habitat and native range
  • Growth characteristics and mature size
  • Preferred growing conditions
  • Wildlife and pollinator benefits
  • Hardiness zones
  • Care requirements

What Should You Do?

If you’ve encountered Salix bicolor somewhere and are interested in growing it, here’s your best bet:

  • Verify the identification: Work with a local botanist, extension office, or experienced native plant society to confirm what plant you’re actually dealing with
  • Consider well-documented alternatives: There are many wonderful, well-studied willow species that might meet your gardening needs
  • Research local natives: Focus on willow species that are known to be native to your specific region

Better Willow Options for Your Garden

Rather than chasing this botanical mystery, consider these well-documented willow alternatives that offer proven benefits:

  • Native pussy willows for early spring interest and wildlife value
  • Local native Salix species that are adapted to your specific climate and soil conditions
  • Dwarf willow varieties if you’re working with limited space

The Bottom Line

While the mystery of Salix bicolor remains unsolved, this situation highlights an important lesson for gardeners: always verify plant identifications and stick with well-documented species, especially when choosing native plants for wildlife habitat or ecological restoration projects.

Your garden—and the local ecosystem—will benefit much more from plants with clear identities, known growing requirements, and documented ecological relationships. Sometimes the most responsible choice is to admit when we don’t know enough and choose better-understood alternatives instead.

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 bicolor Fr. - willow

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