North America Native Plant

Cottongrass

Botanical name: Eriophorum ×churchillianum

USDA symbol: ERCH11

Life cycle: perennial

Habit: grass

Native status: Native to Alaska  

Churchill’s Cottongrass: Alaska’s Elusive Native Hybrid If you’re looking for a truly unique native plant that embodies the wild spirit of Alaska, Churchill’s cottongrass (Eriophorum ×churchillianum) might just capture your imagination. This fascinating hybrid represents one of nature’s own experiments in plant breeding, creating something special in the vast Alaskan ...

Churchill’s Cottongrass: Alaska’s Elusive Native Hybrid

If you’re looking for a truly unique native plant that embodies the wild spirit of Alaska, Churchill’s cottongrass (Eriophorum ×churchillianum) might just capture your imagination. This fascinating hybrid represents one of nature’s own experiments in plant breeding, creating something special in the vast Alaskan wilderness.

What Makes This Cottongrass Special

Churchill’s cottongrass is a perennial grass-like plant that belongs to the sedge family (Cyperaceae). The × in its scientific name tells us this is a natural hybrid, meaning it formed when two different Eriophorum species crossed in the wild. Like its cottongrass relatives, this plant likely produces those distinctive fluffy, cotton-like seed heads that dance in the breeze and create such memorable displays in wetland areas.

Where You’ll Find It Growing Wild

This native beauty calls Alaska home, where it has adapted to some of the harshest growing conditions on the continent. It’s found exclusively in Alaska, making it a true specialty of America’s last frontier.

Should You Grow Churchill’s Cottongrass?

Here’s where things get interesting – and a bit challenging. While Churchill’s cottongrass would make a fascinating addition to specialized gardens, there are some practical considerations:

  • Availability: As a rare hybrid native only to Alaska, finding this plant for purchase is extremely difficult
  • Specialized needs: Like other cottongrasses, it likely requires very specific wetland conditions
  • Climate requirements: Being Alaska-native, it’s adapted to very cold conditions and may not thrive in warmer climates
  • Limited cultivation information: There’s very little documented experience growing this specific hybrid

Growing Conditions and Care

While specific growing information for Churchill’s cottongrass is limited, we can make educated assumptions based on its cottongrass family characteristics:

  • Moisture: Likely requires consistently wet to boggy conditions
  • Soil: Probably prefers acidic, organic-rich, waterlogged soils
  • Sunlight: Most cottongrasses prefer full sun to partial shade
  • Hardiness: Given its Alaska origins, extremely cold-hardy but may struggle in warm climates

Best Garden Settings

If you could obtain Churchill’s cottongrass, it would be best suited for:

  • Bog gardens
  • Wetland restoration projects
  • Water garden edges
  • Specialized native plant collections
  • Rain gardens in very cold climates

Alternative Options

Since Churchill’s cottongrass is so difficult to obtain, consider these more readily available native alternatives that offer similar aesthetic appeal:

  • Common cottongrass (Eriophorum angustifolium) – if native to your area
  • Native sedges appropriate for your region
  • Local wetland grasses with interesting seed heads

The Bottom Line

Churchill’s cottongrass represents the fascinating diversity of Alaska’s native flora, but it’s more of a botanical curiosity than a practical garden choice for most gardeners. If you’re passionate about extremely rare native plants and have the specialized conditions it requires, it could be a remarkable addition to a collection. However, for most gardeners, focusing on more readily available native sedges and wetland plants from your own region will provide similar beauty with much greater success.

Sometimes the most special plants are the ones we appreciate from afar, knowing they’re thriving in their wild Alaskan homes where they belong.

Cottongrass

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

Cyperaceae Juss. - Sedge family

Genus

Eriophorum L. - cottongrass

Species

Eriophorum ×churchillianum Lepage [angustifolium × vaginatum] - cottongrass

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