North America Native Plant

Arctodupontia

Botanical name: ×Arctodupontia

USDA symbol: ARCTO12

Life cycle: perennial

Habit: grass

Native status: Native to Canada  

Arctodupontia: The Mysterious Arctic Grass You’ll Probably Never Grow If you’ve stumbled across the name arctodupontia in your native plant research, you’ve discovered one of North America’s most enigmatic grass species. This perennial graminoid (that’s botanist-speak for grass-like plant) is native to the frigid landscapes of Canada, but don’t expect ...

Arctodupontia: The Mysterious Arctic Grass You’ll Probably Never Grow

If you’ve stumbled across the name arctodupontia in your native plant research, you’ve discovered one of North America’s most enigmatic grass species. This perennial graminoid (that’s botanist-speak for grass-like plant) is native to the frigid landscapes of Canada, but don’t expect to find it at your local nursery anytime soon.

What Exactly Is Arctodupontia?

Arctodupontia (×Arctodupontia) is a hybrid grass genus that calls the extreme northern reaches of Canada home. The × symbol in its scientific name is a dead giveaway that this is a natural hybrid between two different grass species. Like a botanical unicorn, it exists in the wild but remains largely mysterious to most gardeners and even many botanists.

Where Does It Grow?

This hardy little grass is found exclusively in Nunavut, Canada’s northernmost territory. We’re talking about one of the most remote and challenging environments on Earth – think endless tundra, permafrost, and temperatures that would make your winter garden look like a tropical paradise.

Why You Won’t Be Adding This to Your Garden

Let’s be honest: unless you’re gardening in the Arctic tundra, arctodupontia isn’t going to work in your landscape. Here’s why:

  • It requires extreme cold conditions (likely USDA zones 1-2)
  • It’s not commercially available
  • It needs specialized Arctic growing conditions that are impossible to replicate in most gardens
  • Very little is known about its specific care requirements

Better Native Grass Alternatives

If you’re interested in native grasses that can actually thrive in your garden, consider these alternatives depending on your location:

  • Little bluestem (Schizachyrium scoparium) for prairie-style gardens
  • Buffalo grass (Poaceae dactyloides) for low-maintenance lawns in dry climates
  • Switch grass (Panicum virgatum) for tall, dramatic texture
  • Blue grama grass (Bouteloua gracilis) for xeriscape gardens

The Bigger Picture

While arctodupontia might not be destined for your backyard, it represents the incredible diversity of plant life that has adapted to survive in some of Earth’s most challenging environments. These Arctic species play crucial roles in their ecosystems, even if we don’t fully understand them yet.

As climate change continues to impact Arctic regions, mysterious species like arctodupontia remind us of how much we still don’t know about the plant kingdom – and how important it is to protect these unique habitats and the species that call them home.

The Bottom Line

Arctodupontia is fascinating from a botanical perspective, but it’s definitely not your next garden addition. Instead, focus on native grasses that are suited to your local climate and available from reputable native plant suppliers. Your local ecosystem (and your sanity) will thank you for choosing plants that actually want to grow where you live!

Arctodupontia

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Cyperales

Family

Poaceae Barnhart - Grass family

Genus

×Arctodupontia Tzvelev - arctodupontia

Species

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