North America Native Plant

Arctic Bluegrass

Botanical name: Poa arctica caespitans

USDA symbol: POARC5

Life cycle: perennial

Habit: grass

Native status: Native to Canada âš˜ Native to Greenland  

Synonyms: Poa tolmatchewii Rosh. (POTO8)   

Arctic Bluegrass: A Hardy Grass for Extreme Climates If you’re looking for a grass that laughs in the face of winter’s worst tantrums, arctic bluegrass (Poa arctica caespitans) might just be your plant. This remarkable perennial grass species has mastered the art of survival in some of Earth’s most challenging ...

Arctic Bluegrass: A Hardy Grass for Extreme Climates

If you’re looking for a grass that laughs in the face of winter’s worst tantrums, arctic bluegrass (Poa arctica caespitans) might just be your plant. This remarkable perennial grass species has mastered the art of survival in some of Earth’s most challenging environments, making it both fascinating and frustrating for gardeners in more temperate zones.

Meet the Arctic Survivor

Arctic bluegrass, scientifically known as Poa arctica caespitans, is a native grass species that calls the far northern reaches of North America and Greenland home. This hardy perennial belongs to the grass family and represents nature’s incredible ability to adapt to extreme conditions. You might also encounter it listed under the synonym Poa tolmatchewii in some botanical references.

Where Does Arctic Bluegrass Call Home?

This resilient grass is native to Canada and Greenland, with populations naturally occurring across Manitoba, Ontario, Quebec, Yukon, Northwest Territories, and Nunavut. These regions give you a pretty clear picture of just how cold-hardy this grass truly is – we’re talking about areas where winter temperatures can make your freezer seem tropical!

Should You Grow Arctic Bluegrass in Your Garden?

Here’s where things get interesting – and perhaps a bit disappointing for most gardeners. Arctic bluegrass is specifically adapted to extreme northern conditions that most of us simply can’t replicate in our backyards. This grass thrives in the harsh, cold climates of the Arctic and subarctic regions, likely requiring USDA hardiness zones 1-3 to truly flourish.

For the average gardener, arctic bluegrass presents several challenges:

  • It’s adapted to extremely cold conditions that most gardens can’t provide
  • Limited availability through typical nursery channels
  • Specific growing requirements that aren’t well-documented for home cultivation
  • May not perform well in warmer climates

The Reality of Growing Arctic Bluegrass

If you’re determined to try growing this arctic native, you’ll need to manage your expectations. This grass is built for survival, not ornamental appeal. It’s likely to remain relatively small and unassuming compared to the lush lawn grasses most gardeners are familiar with.

Unfortunately, specific growing conditions, care requirements, and propagation methods for arctic bluegrass aren’t widely documented in horticultural literature. This reflects its limited use in traditional gardening and landscaping applications.

Better Alternatives for Most Gardens

Unless you’re gardening in the extreme northern regions where this grass naturally occurs, you’ll likely have better success with other native grass species adapted to your local climate. Consider researching native grasses specific to your region that can provide similar ecological benefits while actually thriving in your garden conditions.

If you’re drawn to the idea of cold-hardy grasses, look into other native species that are better adapted to your specific USDA hardiness zone and have more established cultivation practices.

The Bottom Line

Arctic bluegrass is a testament to nature’s resilience, but it’s more of a botanical curiosity than a practical garden choice for most of us. While we can appreciate its incredible adaptation to harsh northern climates, this grass is best left to thrive in its native arctic and subarctic habitats where it truly belongs.

For those living in the far north where this grass naturally occurs, it represents an important part of the local ecosystem. However, for the majority of gardeners, exploring native grasses adapted to your specific region will yield much better results and create more meaningful connections with your local natural heritage.

Arctic Bluegrass

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

Poa L. - bluegrass

Species

Poa arctica R. Br. - arctic bluegrass

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