Native Plants

Polar Alkaligrass

Puccinellia deschampsioides

USDA symbol: PUDE2

perennial grass

Alaska: native

Meet polar alkaligrass (Puccinellia deschampsioides), one of nature’s most resilient grasses that calls the harsh Arctic landscapes of Alaska home. This unassuming perennial graminoid might not win any beauty contests, but it’s a fascinating example of how plants adapt to some of Earth’s most challenging conditions. Polar alkaligrass is a ...

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

Status: S3 | Vulnerable: Found only in a restricted range (even if abundant at some locations). Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals.

Polar Alkaligrass: A Rare Arctic Treasure for Specialized Gardens

Meet polar alkaligrass (Puccinellia deschampsioides), one of nature’s most resilient grasses that calls the harsh Arctic landscapes of Alaska home. This unassuming perennial graminoid might not win any beauty contests, but it’s a fascinating example of how plants adapt to some of Earth’s most challenging conditions.

What Makes Polar Alkaligrass Special?

Polar alkaligrass is a native Alaskan perennial that belongs to the grass family. Don’t let its humble appearance fool you – this little grass is a survivor extraordinaire, thriving in conditions that would make most plants throw in the towel. It forms small, delicate tufts with fine-textured foliage that sways gracefully in Arctic breezes.

You might also encounter this plant listed under its scientific synonym, Phippsia deschampsioides, in older botanical references.

Where Does It Grow?

This specialized grass is exclusively native to Alaska, where it has carved out a niche in coastal and saline environments. Its natural habitat includes areas with alkaline soils that most plants simply can’t tolerate.

  • Species observed
  • No observations

A Word of Caution: Rarity Matters

Before you start planning your polar alkaligrass garden, here’s something important to know: this species has a Global Conservation Status of S3, meaning it’s considered vulnerable. With only 21 to 100 known occurrences and an estimated 3,000 to 10,000 individuals in the wild, polar alkaligrass is quite rare.

If you’re interested in growing this plant, please only source it from reputable native plant nurseries that use responsibly collected seed or ethically propagated material. Never collect from wild populations.

Is Polar Alkaligrass Right for Your Garden?

Let’s be honest – polar alkaligrass isn’t for everyone. This plant has very specific needs that make it suitable only for specialized situations:

  • Climate requirements: Thrives in USDA hardiness zones 1-3 (extremely cold climates)
  • Soil preferences: Needs saline or alkaline soils that mimic its coastal Arctic habitat
  • Garden style: Best suited for arctic gardens, specialized native plant collections, or coastal restoration projects
  • Maintenance: Requires specific growing conditions that can be challenging to replicate

Growing Polar Alkaligrass Successfully

If you’re determined to grow this Arctic specialist, here’s what you need to know:

Growing Conditions

  • Extremely cold-hardy (zones 1-3)
  • Prefers saline or alkaline soils
  • Needs good drainage despite tolerance for challenging soil conditions
  • Full sun exposure

Planting Tips

  • Seeds typically require cold stratification to germinate
  • Best planted in fall or early spring
  • Consider container growing if your climate is too warm
  • May need specialized soil amendments to replicate natural conditions

Landscape Role and Design Ideas

In the right setting, polar alkaligrass can serve as:

  • Ground cover in arctic-themed gardens
  • Educational specimen in native plant collections
  • Erosion control in coastal restoration (where appropriate)
  • Texture contrast in specialized rock gardens

Wildlife and Ecological Benefits

As a wind-pollinated grass, polar alkaligrass doesn’t offer the same pollinator benefits as flowering plants. However, it plays an important role in its native ecosystem, providing habitat structure and contributing to the complex web of Arctic plant communities.

The Bottom Line

Polar alkaligrass is a plant for the truly dedicated native plant enthusiast or specialized garden designer. Its rarity, specific growing requirements, and limited ornamental appeal make it unsuitable for most home gardens. However, if you’re creating an arctic garden, working on habitat restoration, or simply fascinated by plants that survive in extreme conditions, this little grass might just capture your imagination.

Remember, if you decide to grow polar alkaligrass, always source it responsibly and consider it a privilege to help preserve this vulnerable species for future generations.

Puccinellia deschampsioides 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. Puccinellia deschampsioides is also known as:

Phippsia deschampsioides Á. Löve & Löve | USDA symbol: PHDE23

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: Puccinellia Parl. - alkaligrass

Species: Puccinellia deschampsioides T.J. Sørensen - polar alkaligrass

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