North America Native Plant

Walter’s Sedge

Botanical name: Carex striata var. brevis

USDA symbol: CASTB

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Synonyms: Carex walteriana L.H. Bailey var. brevis (L.H. Bailey) L.H. Bailey (CAWAB)   

Walter’s Sedge: A Native Grass-Like Gem for Eastern Gardens If you’re looking to add some authentic native character to your garden, Walter’s sedge (Carex striata var. brevis) might just be the unsung hero you’ve been searching for. This perennial sedge brings that natural, grass-like texture that can make any landscape ...

Walter’s Sedge: A Native Grass-Like Gem for Eastern Gardens

If you’re looking to add some authentic native character to your garden, Walter’s sedge (Carex striata var. brevis) might just be the unsung hero you’ve been searching for. This perennial sedge brings that natural, grass-like texture that can make any landscape feel more connected to the wild spaces around us.

What Makes Walter’s Sedge Special?

Walter’s sedge is a true native of the eastern United States, making it a fantastic choice for gardeners who want to support local ecosystems. As a member of the sedge family (Cyperaceae), it offers that coveted grass-like appearance without actually being a grass – think of it as nature’s way of giving you options!

You might also see this plant listed under its synonym Carex walteriana var. brevis in some references, but don’t let the name variations confuse you – it’s the same delightful native sedge.

Where Does It Call Home?

This eastern native has quite an impressive range, naturally occurring across eleven states from Massachusetts down to South Carolina. You’ll find Walter’s sedge thriving in Delaware, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Pennsylvania, Rhode Island, South Carolina, and Virginia.

Why Choose Walter’s Sedge for Your Garden?

Here’s why this native sedge deserves a spot in your landscape:

  • True native credentials – Supporting local wildlife and ecosystems
  • Perennial reliability – Comes back year after year once established
  • Low-maintenance appeal – Native plants typically require less fussing once settled
  • Natural texture – Adds authentic grass-like movement and interest
  • Regional adaptation – Already perfectly suited to eastern growing conditions

Garden Design Ideas

Walter’s sedge works beautifully in naturalized areas where you want that authentic, wild look. Consider using it in:

  • Native plant gardens
  • Rain gardens (pending wetland tolerance confirmation)
  • Woodland edge plantings
  • Mixed native grass and sedge meadows
  • Areas where you want low-maintenance, natural-looking groundcover

Growing Walter’s Sedge Successfully

While specific growing information for this particular variety is limited in available sources, sedges as a group are generally quite adaptable. As with most native plants, your best bet is to:

  • Choose the right location – Since it’s native to your region (if you’re in its range), it should adapt well to local conditions
  • Start with quality plants – Source from reputable native plant nurseries
  • Be patient – Native sedges often take a season or two to fully establish
  • Avoid overwatering once established – Native plants typically prefer natural rainfall patterns

A Word of Caution

Since specific growing requirements and characteristics for Carex striata var. brevis are not well-documented in readily available sources, we recommend consulting with local native plant societies or extension services in your area. They’ll have the best insight into how this particular sedge performs in your specific growing conditions.

The Bottom Line

Walter’s sedge represents the kind of quiet, steady beauty that native plants bring to our gardens. While we’d love to give you more specific growing details, sometimes the most authentic gardening adventures come from experimenting with lesser-known natives. If you’re in its native range and have a spot that could use some natural grass-like texture, this sedge might be worth tracking down at your local native plant sale.

Remember, choosing native plants like Walter’s sedge isn’t just about creating a beautiful garden – it’s about being part of a larger ecosystem. Every native plant you add is a small step toward supporting the wildlife, pollinators, and natural heritage of your region.

Walter’s Sedge

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

Carex L. - sedge

Species

Carex striata Michx. - Walter's sedge

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