North America Native Plant

Dogwood

Botanical name: Cornus ×slavinii

USDA symbol: COSL

Life cycle: perennial

Habit: shrub

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

Cornus ×slavinii: The Mystery Dogwood You’ve Probably Never Heard Of If you’re a dogwood enthusiast who thinks you know every variety out there, let me introduce you to one of the botanical world’s best-kept secrets: Cornus ×slavinii. This isn’t your garden-variety dogwood that you’ll find at the local nursery – ...

Cornus ×slavinii: The Mystery Dogwood You’ve Probably Never Heard Of

If you’re a dogwood enthusiast who thinks you know every variety out there, let me introduce you to one of the botanical world’s best-kept secrets: Cornus ×slavinii. This isn’t your garden-variety dogwood that you’ll find at the local nursery – in fact, you probably won’t find it anywhere at all!

What Exactly Is Cornus ×slavinii?

Cornus ×slavinii is a hybrid dogwood (that × symbol is the giveaway!) that’s native to select regions in both Canada and the United States. Like other dogwoods, it’s a perennial, multi-stemmed woody shrub that typically stays under 13-16 feet tall, with several stems growing from or near the ground.

This rare hybrid has been documented in Ontario, Maine, New York, and Wisconsin – but don’t get too excited about adding it to your wish list just yet.

The Rarity Factor: Why You Can’t Just Buy One

Here’s where things get interesting (and a bit frustrating if you’re a plant collector). Cornus ×slavinii is so rare that there’s virtually no information available about its cultivation, care requirements, or even its appearance beyond basic growth habits. This isn’t a plant you’ll find in nurseries or seed catalogs.

The limited documentation suggests this hybrid occurs naturally in the wild but isn’t commercially propagated. For most gardeners, this makes it more of a botanical curiosity than a practical landscaping choice.

Should You Try to Grow It?

The short answer? Probably not – and here’s why:

  • Extremely limited availability makes it nearly impossible to source responsibly
  • Unknown growing requirements mean you’d be gardening blind
  • No established cultivation practices or care guidelines
  • Uncertain performance in typical garden settings

If you somehow encounter this plant or seeds, remember that rare plants should only be obtained through responsible, ethical sources – never collected from wild populations.

Better Dogwood Alternatives for Your Garden

Instead of chasing this botanical unicorn, consider these readily available native dogwood options that will actually thrive in your landscape:

  • Red-osier Dogwood (Cornus sericea): Perfect for wet areas and wildlife gardens
  • Gray Dogwood (Cornus racemosa): Excellent for naturalized areas and bird habitat
  • Flowering Dogwood (Cornus florida): The classic spring-blooming beauty
  • Pagoda Dogwood (Cornus alternifolia): Unique horizontal branching pattern

These alternatives offer the dogwood characteristics you’re looking for – attractive foliage, potential flowers, wildlife benefits, and native status – without the mystery and unavailability of Cornus ×slavinii.

The Bottom Line

While Cornus ×slavinii is undoubtedly fascinating from a botanical perspective, it’s not a practical choice for home gardeners. Sometimes the most interesting plants are the ones we admire from afar rather than trying to grow in our backyards. Save your gardening energy for the many wonderful, available native dogwoods that will reward your efforts with reliable beauty and ecological benefits.

After all, there’s something to be said for plants that don’t require a PhD in botany to grow successfully!

Dogwood

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

Cornales

Family

Cornaceae Bercht. & J. Presl - Dogwood family

Genus

Cornus L. - dogwood

Species

Cornus ×slavinii Rehder [rugosa × sericea] - dogwood

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