North America Native Plant

Hair-like Sedge

Botanical name: Carex capillaris

USDA symbol: CACA12

Life cycle: perennial

Habit: grass

Native status: Native to Alaska ⚘ Native to Canada ⚘ Native to Greenland ⚘ Native to the lower 48 states ⚘ Native to St. Pierre and Miquelon  

Synonyms: Carex boecheriana Á. Löve, D. Löve & Raymond (CABO21)  ⚘  Carex capillaris L. ssp. chlorostachys (Stev.) Á. Löve, D. Löve & Raymond (CACAC13)  ⚘  Carex capillaris L. var. elongata Olney ex Fernald (CACAE)  ⚘  Carex capillaris L. var. fuscidula (Krecz.) Á. Löve & D. Löve (CACAF)  ⚘  Carex capillaris L. var. major Blytt (CACAM2)  ⚘  Carex capillaris L. ssp. robustior (Drejer ex Lange) Böcher (CACAR4)   

Hair-like Sedge: A Delicate Native Beauty for Cool, Wet Gardens If you’re searching for a graceful, fine-textured native plant that thrives in cooler climates and moist conditions, hair-like sedge might just be the hidden gem your garden needs. This charming perennial sedge (Carex capillaris) brings a soft, ethereal quality to ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4: Status is uncertain but is somewhere between the following rankings: Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Hair-like Sedge: A Delicate Native Beauty for Cool, Wet Gardens

If you’re searching for a graceful, fine-textured native plant that thrives in cooler climates and moist conditions, hair-like sedge might just be the hidden gem your garden needs. This charming perennial sedge (Carex capillaris) brings a soft, ethereal quality to landscapes with its delicate, hair-like foliage that sways gently in the breeze.

What Makes Hair-like Sedge Special?

Hair-like sedge is a true native treasure with an impressive range that spans across Alaska, Canada, Greenland, and many northern U.S. states. You’ll find this adaptable sedge growing naturally from the Arctic tundra down through the Rocky Mountains and into the Great Lakes region, making it one of nature’s most widely distributed sedges.

This remarkable plant calls home to an extensive range including Alberta, British Columbia, Alaska, Manitoba, New Brunswick, Nova Scotia, Ontario, Colorado, Quebec, Saskatchewan, Yukon, Northwest Territories, Nunavut, Idaho, Maine, Michigan, Minnesota, Montana, Nevada, New Hampshire, New Mexico, New York, North Dakota, Oregon, South Dakota, Utah, Vermont, Washington, Wisconsin, Wyoming, Labrador, and Newfoundland.

Garden Appeal and Design Role

What sets hair-like sedge apart is its incredibly fine texture and semi-erect growth habit. Reaching about 1.7 feet tall, this sedge forms neat bunches that create beautiful textural contrast in the garden. The green foliage maintains a porous quality that allows light to filter through, creating an almost translucent effect that’s particularly stunning when backlit.

In garden design, hair-like sedge excels as:

  • A naturalistic ground cover in woodland settings
  • An accent plant in rock or alpine gardens
  • A key component in wetland restoration projects
  • A textural element in native plant gardens
  • A soft border plant along water features

Growing Conditions and Care

Hair-like sedge is remarkably adaptable to various soil types, thriving in both fine and medium-textured soils. However, it does have some specific preferences that are important to understand:

Moisture Requirements: This sedge has a Facultative Wetland status across all regions, meaning it usually grows in wetlands but can tolerate some drier conditions. Plan to provide consistent moisture, especially during the growing season.

Soil Preferences: Hair-like sedge performs best in soils with a pH between 5.8 and 7.4, showing good tolerance for slightly acidic to neutral conditions. It has high tolerance for anaerobic (low-oxygen) conditions, making it excellent for wet areas where other plants struggle.

Light Requirements: One of the most appealing aspects of this sedge is its shade tolerance. It can thrive in partially shaded locations where many other grasses would fail.

Climate Adaptation: Extremely cold hardy (tolerating temperatures down to -43°F), this sedge is perfect for northern gardeners in USDA zones 2-6. It requires at least 80 frost-free days and annual precipitation between 18-55 inches.

Planting and Establishment

Hair-like sedge blooms in late spring with inconspicuous green flowers, followed by small brown seeds in summer. While the plant can be propagated by seed, bare root, or sprigs, there’s one significant challenge: commercial availability is extremely limited.

If you’re lucky enough to source this plant, here are some planting tips:

  • Plant in spring after the last frost
  • Space plants according to desired coverage (2,700-4,800 plants per acre for large installations)
  • Ensure consistent moisture during establishment
  • Be patient – this sedge has a moderate growth rate and low seedling vigor
  • Minimum root depth requirement is just 6 inches, making it suitable for shallow soil areas

Wildlife and Ecological Benefits

While specific wildlife benefits aren’t well-documented, sedges generally provide important ecosystem services. They offer nesting material for birds, seeds for wildlife, and help stabilize soil in wet areas. As a native plant, hair-like sedge supports local ecosystem health and biodiversity.

Is Hair-like Sedge Right for Your Garden?

Hair-like sedge is an excellent choice if you:

  • Garden in a cool, northern climate
  • Have consistently moist or wet soil conditions
  • Want to create naturalistic plantings with native species
  • Need a shade-tolerant grass-like plant
  • Appreciate fine textures and subtle beauty

However, this sedge might not be the best fit if you:

  • Live in a hot, dry climate
  • Prefer showy, colorful flowers
  • Need immediate results (slow establishment)
  • Have difficulty sourcing the plant

The Bottom Line

Hair-like sedge represents the quiet beauty of native plants – it may not shout for attention, but it offers lasting value through its graceful form, ecological benefits, and remarkable adaptability to challenging growing conditions. While finding this plant commercially may require some detective work, the reward is a truly special addition to the right garden setting.

For gardeners committed to native plant landscaping in cooler climates, hair-like sedge offers an opportunity to grow something genuinely unique while supporting local ecosystems. Just remember to source plants responsibly and be prepared to provide the moist conditions this lovely sedge craves.

Hair-like 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 capillaris L. - hair-like sedge

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