Native Plants

Bluegrass

Poa ammophila

USDA symbol: POAM17

perennial grass

Canada: native

If you’re gardening in one of the coldest regions of North America and looking for an authentic native grass, Poa ammophila might just be the perfect addition to your landscape. This hardy perennial bluegrass is as tough as they come, but it’s definitely not your typical lawn grass! Poa ammophila ...

Bluegrass may be listed as rare in your area.
Global Conservation Status

Status: S3S4T2? | Apparently Secure: Uncommon but not rare, and usually widespread. Possible cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals.

Growing Bluegrass (Poa ammophila): A Rare Arctic Native for Extreme Cold Climates

If you’re gardening in one of the coldest regions of North America and looking for an authentic native grass, Poa ammophila might just be the perfect addition to your landscape. This hardy perennial bluegrass is as tough as they come, but it’s definitely not your typical lawn grass!

What Makes This Bluegrass Special?

Poa ammophila is a native Canadian grass that belongs to the Poaceae family. Unlike the common bluegrass you might know, this species is specifically adapted to some of the harshest climates on the continent. It’s a true perennial that has evolved to thrive where most other plants simply can’t survive.

Where Does It Naturally Grow?

This remarkable grass calls the far northern regions of Canada home, specifically the Yukon and Northwest Territories. These are areas where winter temperatures can plummet to extremes that would kill most garden plants, making this bluegrass a true cold-weather champion.

  • Species observed
  • No observations

Should You Plant This Bluegrass?

Important consideration: Poa ammophila has a conservation status that suggests it may be uncommon in its native range. If you’re interested in growing this plant, it’s crucial to source it responsibly from reputable native plant nurseries that ethically collect or propagate their stock.

This grass is ideal for gardeners who:

  • Live in USDA hardiness zones 1-3
  • Want to create authentic arctic or subarctic plant communities
  • Are developing specialized rock gardens or alpine collections
  • Prefer low-maintenance, extremely hardy ground covers

What Does It Look Like?

Poa ammophila is a fine-textured grass with narrow leaves and delicate seed heads. It forms low-growing clumps that provide subtle texture rather than bold visual impact. Think of it as nature’s way of creating a living carpet that can survive where almost nothing else will grow.

Growing Conditions and Care

This bluegrass thrives in:

  • Climate: Extremely cold conditions (zones 1-3)
  • Soil: Well-drained soils, tolerates poor conditions
  • Sun exposure: Full sun
  • Water: Minimal water needs once established

Planting and Care Tips

Growing Poa ammophila successfully requires understanding its arctic origins:

  • Seeds typically need cold stratification to germinate properly
  • Plant in areas with excellent drainage to prevent winter rot
  • Once established, this grass requires minimal care
  • Avoid fertilizing, as it’s adapted to nutrient-poor conditions
  • Allow natural dormancy cycles – this grass knows how to survive harsh winters

Wildlife and Ecological Benefits

As a wind-pollinated grass, Poa ammophila doesn’t directly attract pollinators like bees or butterflies. However, it plays an important role in its native ecosystem by providing ground cover and potentially serving as habitat for small arctic wildlife.

The Bottom Line

Poa ammophila is definitely a specialty plant for specialty gardens. If you live in an extremely cold climate and want to grow native plants that truly belong in your region, this hardy bluegrass could be a wonderful addition. Just remember to source it responsibly and give it the cold, well-drained conditions it craves. For most gardeners in warmer climates, there are many other native grass options that would be more suitable and easier to grow.

Before planting, check with local native plant societies or extension services to ensure you’re making the best choice for your specific location and goals.

Poa ammophila is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Poa ammophila is also known as:

Poa hartzii ssp. ammophila | USDA symbol: POHAA3

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Monocot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Monocotyledons
Subclass: Commelinidae
Order: Cyperales
Family: Poaceae Barnhart - Grass family
Genus: Poa L. - bluegrass

Species: Poa ammophila A.E. Porsild - bluegrass

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