North America Native Plant

Reedgrass

Botanical name: Calamagrostis

USDA symbol: CALAM

Life cycle: perennial

Habit: grass

Native status: Native to Alaska âš˜ It's either native or not native in Canada âš˜ Native to Greenland âš˜ Native to Hawaii âš˜ It's either native or not native in the lower 48 states âš˜ Native to St. Pierre and Miquelon  

Reedgrass: The Graceful Native That Brings Movement to Your Garden If you’re looking to add some gentle movement and natural elegance to your landscape, reedgrass (Calamagrostis) might just be the perfect addition to your garden. This perennial grass brings a touch of prairie magic wherever it grows, swaying gracefully in ...

Reedgrass: The Graceful Native That Brings Movement to Your Garden

If you’re looking to add some gentle movement and natural elegance to your landscape, reedgrass (Calamagrostis) might just be the perfect addition to your garden. This perennial grass brings a touch of prairie magic wherever it grows, swaying gracefully in the breeze and adding year-round structure to your outdoor space.

What Makes Reedgrass Special?

Reedgrass belongs to the grass family and embodies everything we love about ornamental grasses. These perennials offer that perfect combination of low-maintenance beauty and ecological value that every native plant enthusiast dreams of. With their feathery seed heads and upright growth habit, they create stunning focal points while supporting local ecosystems.

Where Does Reedgrass Call Home?

This remarkable grass has an impressive native range across North America. You’ll find various reedgrass species thriving naturally from Alaska down through Canada and into many U.S. states. The genus has a particularly strong presence in northern regions, including Alberta, British Columbia, and extending into states like Montana, Minnesota, and Maine. Some species even call Hawaii and Greenland home, showing just how adaptable this grass family can be.

Why Your Garden Will Love Reedgrass

There are plenty of reasons to consider adding reedgrass to your landscape:

  • Natural beauty: The graceful, arching foliage and delicate seed plumes create stunning visual interest throughout the growing season
  • Low maintenance: Once established, these perennial grasses are remarkably self-sufficient
  • Wildlife habitat: While primarily wind-pollinated, reedgrass provides valuable cover and nesting materials for birds and small wildlife
  • Seasonal interest: Many species offer year-round structure, with seed heads persisting into winter
  • Erosion control: The strong root systems help stabilize soil, making them excellent for slopes or wet areas

Perfect Garden Companions

Reedgrass shines in naturalistic garden settings where its wild, flowing form can really show off. Consider incorporating it into:

  • Prairie-style gardens alongside native wildflowers
  • Contemporary landscapes where clean lines meet natural textures
  • Rain gardens or areas with variable moisture
  • Mixed perennial borders for added height and movement
  • Mass plantings for dramatic effect

Growing Your Reedgrass Successfully

The beauty of working with native plants like reedgrass is that they’re naturally adapted to thrive in their home regions. Here’s how to set them up for success:

Growing Conditions

Most reedgrass species are quite adaptable, but they generally prefer:

  • Full sun to partial shade
  • Moist to moderately wet soils, though many tolerate drier conditions once established
  • Good drainage, despite their tolerance for moisture
  • Cool to moderate climates (specific hardiness varies by species)

Planting and Care Tips

Getting started with reedgrass is refreshingly straightforward:

  • Plant in spring after the last frost for best establishment
  • Space plants according to their mature size (varies significantly by species)
  • Water regularly during the first growing season
  • Cut back in late winter or early spring before new growth emerges
  • Divide clumps every 3-4 years if they become too large

A Word of Caution

Since Calamagrostis is a large genus with many different species, it’s important to research the specific type you’re considering for your garden. Some species are more aggressive spreaders than others, and choosing the right one for your space and climate will ensure the best results. Always source your plants from reputable native plant nurseries that can help you select the most appropriate species for your specific location.

The Bottom Line

Reedgrass offers gardeners the perfect opportunity to embrace native beauty while creating low-maintenance, wildlife-friendly landscapes. With their graceful form, ecological benefits, and adaptable nature, these perennial grasses deserve a place in more North American gardens. Just remember to choose species native to your specific region for the best results and greatest ecological impact.

Whether you’re designing a prairie garden or simply want to add some natural movement to your landscape, reedgrass provides that perfect blend of beauty and function that makes native gardening so rewarding.

Reedgrass

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

Calamagrostis Adans. - reedgrass

Species

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