North America Non-native Plant

Cotoneaster Salicifolius Var. Rugosus

Botanical name: Cotoneaster salicifolius var. rugosus

USDA symbol: COSAR

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

Synonyms: Cotoneaster rugosus E. Pritz. (CORU12)   

Cotoneaster salicifolius var. rugosus: What Gardeners Should Know Before Planting If you’ve stumbled across the name Cotoneaster salicifolius var. rugosus in your plant research, you’re looking at a rather mysterious member of the Cotoneaster family. Also known by its synonym Cotoneaster rugosus E. Pritz., this plant sits in that tricky ...

Cotoneaster salicifolius var. rugosus: What Gardeners Should Know Before Planting

If you’ve stumbled across the name Cotoneaster salicifolius var. rugosus in your plant research, you’re looking at a rather mysterious member of the Cotoneaster family. Also known by its synonym Cotoneaster rugosus E. Pritz., this plant sits in that tricky category of ornamental shrubs that require some careful consideration before adding to your landscape.

The Mystery Plant Dilemma

Here’s the thing about Cotoneaster salicifolius var. rugosus – it’s surprisingly difficult to pin down specific information about this particular variety. While the Cotoneaster genus includes many popular landscaping shrubs, this specific variety seems to fly under the radar in most gardening resources. What we do know is that it belongs to a plant family that’s, well, complicated when it comes to responsible gardening.

Native Status and Geographic Distribution

Like most members of the Cotoneaster family, this variety is not native to North America. The genus originates from Asia and parts of Europe, and various species have been widely planted as ornamental shrubs across different continents.

The Cotoneaster Conundrum

Here’s where things get interesting (and a bit concerning). Many Cotoneaster species have earned themselves a reputation as invasive plants in various regions. They’re the kind of plants that seemed like a great landscaping idea at first – attractive foliage, berries for the birds, low maintenance – but then decided to make themselves a little too comfortable in natural areas.

Without specific invasive status information for this particular variety, we’re in somewhat uncharted territory. However, given the track record of its cousins, it’s worth approaching with caution.

Growing Conditions (If You Choose to Proceed)

Based on what we know about related Cotoneaster species, if you do decide to grow this plant, here’s what it typically prefers:

  • Well-drained soil (most Cotoneasters are quite adaptable to different soil types)
  • Full sun to partial shade
  • Generally hardy in USDA zones 5-8, though this can vary
  • Moderate water needs once established

Our Recommendation: Proceed with Caution

Given the limited specific information about this variety and the invasive potential of many Cotoneaster species, we’d suggest taking a better safe than sorry approach. Before planting, we recommend:

  • Checking with your local extension office about Cotoneaster species in your area
  • Researching whether any Cotoneaster species are listed as invasive in your region
  • Considering native alternatives that can provide similar aesthetic benefits

Native Alternatives to Consider

Instead of gambling with a potentially problematic plant, why not explore native shrubs that can give you similar benefits? Depending on your region, you might consider native serviceberries (Amelanchier species), native viburnums, or native dogwoods. These plants will provide beauty, wildlife benefits, and peace of mind – without the invasive species worries.

The Bottom Line

Cotoneaster salicifolius var. rugosus remains something of an enigma in the gardening world. While it might be perfectly harmless, the lack of specific information combined with the invasive track record of its plant family makes it a risky choice for responsible gardeners. When in doubt, native plants are always a safer bet for both your garden and your local ecosystem.

Remember, the best plants for your garden are the ones you can grow with confidence, knowing they’ll enhance your landscape without potentially harming the environment around you.

Cotoneaster Salicifolius Var. Rugosus

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Rosales

Family

Rosaceae Juss. - Rose family

Genus

Cotoneaster Medik. - cotoneaster

Species

Cotoneaster salicifolius Franch. - cotoneaster

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