North America Native Plant

Steven’s Sedge

Botanical name: Carex norvegica stevenii

USDA symbol: CANOS

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Synonyms: Carex media R. Br. var. stevenii (T. Holm) Fernald (CAMES)  âš˜  Carex norvegica Retz. var. stevenii (T. Holm) Dorn (CANOS2)  âš˜  Carex stevenii T. Holm (CAST22)   

Steven’s Sedge: A Hardy Native Grass for Mountain Gardens If you’re looking to add authentic native character to your western garden, Steven’s sedge (Carex norvegica stevenii) might just be the unsung hero you’ve been searching for. This perennial sedge brings the rugged beauty of mountain meadows right to your landscape, ...

Steven’s Sedge: A Hardy Native Grass for Mountain Gardens

If you’re looking to add authentic native character to your western garden, Steven’s sedge (Carex norvegica stevenii) might just be the unsung hero you’ve been searching for. This perennial sedge brings the rugged beauty of mountain meadows right to your landscape, and it’s tougher than it looks!

What Makes Steven’s Sedge Special?

Steven’s sedge is a true native of the American West, naturally occurring across Colorado, Montana, New Mexico, Utah, and Wyoming. As a member of the sedge family, it’s technically a grass-like plant that shares kinship with rushes and other graminoids, giving your garden that authentic prairie and mountain meadow feel that’s so sought after in native landscaping.

You might also encounter this plant listed under its various botanical aliases, including Carex media var. stevenii, Carex norvegica var. stevenii, or simply Carex stevenii – botanists love their name changes almost as much as gardeners love their plants!

Where Steven’s Sedge Thrives

This adaptable native has earned a Facultative wetland status across its range, which is gardener-speak for pretty flexible about moisture. Whether you’re gardening in the Arid West, Great Plains, or Western Mountains regions, Steven’s sedge can handle both wet and dry conditions – a trait that makes it incredibly valuable for water-wise gardening.

Why Choose Steven’s Sedge for Your Garden?

Here’s where Steven’s sedge really shines as a garden performer:

  • Native authenticity: Supporting local ecosystems while creating beautiful landscapes
  • Drought tolerance: Once established, it can handle dry spells like a champion
  • Low maintenance: Perennial growth means it comes back year after year
  • Versatile moisture needs: Happy in both moist and drier locations
  • Mountain hardiness: Built to withstand challenging mountain growing conditions

Perfect Garden Settings

Steven’s sedge works beautifully in several garden styles:

  • Rock gardens and alpine settings
  • Native plant gardens and prairie restorations
  • Rain gardens and bioswales
  • Naturalistic landscape borders
  • Water-wise xeriscaping projects

Growing Steven’s Sedge Successfully

While specific growing information for Steven’s sedge can be limited (it’s one of those wonderful natives that doesn’t get as much press as it deserves), we can work with what we know about its natural habitat and wetland preferences.

Based on its native range across mountain states, Steven’s sedge likely thrives in USDA hardiness zones 3-7, making it suitable for areas with cold winters and variable precipitation. Its facultative wetland status suggests it appreciates consistent moisture but won’t sulk if things dry out occasionally.

Planting and Care Tips

Since Steven’s sedge is adapted to mountain conditions, it probably prefers:

  • Well-draining soil that doesn’t stay soggy
  • Full sun to partial shade
  • Moderate to occasional watering once established
  • Minimal fertilization (native plants rarely need extra feeding)

Like most sedges, it’s likely best planted in spring or fall when temperatures are moderate and moisture is more reliable.

The Bottom Line

Steven’s sedge represents the quiet beauty of native plants – it may not be flashy, but it brings authentic character, environmental benefits, and reliable performance to western gardens. If you’re building a native plant collection or want to support local ecosystems while creating a beautiful landscape, this hardy sedge deserves a spot on your planting list.

Just remember to source your plants responsibly from reputable native plant nurseries to ensure you’re getting true-to-type specimens that will thrive in your specific location!

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Great Plains

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Western Mountains, Valleys, and Coast

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Steven’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 norvegica Retz. - Norway sedge

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