North America Non-native Plant

Seringe Willow

Botanical name: Salix ×seringeana

USDA symbol: SASE20

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

Seringe Willow: A Mysterious Hybrid Worth Knowing About If you’ve stumbled across the name Salix ×seringeana, or Seringe willow, you might be scratching your head wondering what exactly this plant is and whether it belongs in your garden. You’re not alone! This hybrid willow is something of an enigma in ...

Seringe Willow: A Mysterious Hybrid Worth Knowing About

If you’ve stumbled across the name Salix ×seringeana, or Seringe willow, you might be scratching your head wondering what exactly this plant is and whether it belongs in your garden. You’re not alone! This hybrid willow is something of an enigma in the gardening world, with limited information available compared to its more famous willow cousins.

What is Seringe Willow?

Seringe willow (Salix ×seringeana) is a hybrid willow species, as indicated by the × symbol in its scientific name. This means it’s the result of cross-breeding between two different willow species, though the exact parentage and detailed characteristics of this particular hybrid remain somewhat mysterious in horticultural literature.

Where Does It Come From?

The geographical distribution and native range of Seringe willow are not well-documented in available sources. Like many willow hybrids, it likely has European connections, but without clear distribution data, it’s difficult to pinpoint its exact origins or current range.

Should You Plant Seringe Willow?

Here’s where things get tricky. With limited information available about Seringe willow’s growing requirements, mature size, growth rate, and overall garden performance, it’s challenging to give you a definitive recommendation. We don’t have clear data on:

  • USDA hardiness zones
  • Preferred growing conditions
  • Mature height and spread
  • Growth rate
  • Specific wildlife or pollinator benefits
  • Invasive potential

Better Alternatives to Consider

Given the uncertainty surrounding Seringe willow, you might want to consider well-documented native willow species instead. These alternatives offer the beauty and ecological benefits of willows with the added bonus of clear growing information and proven garden performance. Some popular options include:

  • Native willow species suited to your specific region
  • Well-established willow cultivars with known characteristics
  • Other fast-growing, moisture-loving trees and shrubs

The Bottom Line

While Seringe willow might sound intriguing, the lack of readily available cultivation information makes it a risky choice for most gardeners. Unless you’re a plant collector with a particular interest in rare or unusual willows, you’ll likely have better success with more common willow species that have proven track records in gardens and landscapes.

If you do happen to encounter Seringe willow at a specialty nursery or through plant exchanges, approach it as you would any experimental plant: start small, observe carefully, and be prepared for surprises. And as always, prioritize native species that support local wildlife and ecosystems whenever possible.

Sometimes in gardening, the most honest answer is we need more information – and that’s perfectly okay!

Seringe 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 ×seringeana Gaudin - Seringe willow

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