North America Native Plant

Hammock Sedge

Botanical name: Carex fissa var. fissa

USDA symbol: CAFIF

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Hammock Sedge: A Hidden Gem for Shade Gardens If you’re searching for a native groundcover that thrives in those tricky shady spots, hammock sedge (Carex fissa var. fissa) might just be the unsung hero your garden needs. This charming little sedge brings quiet elegance to woodland settings while supporting local ...

Rare plant alert!

Region: Arkansas

Status: S4?T3T4: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Subspecies or variety is 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 ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘ Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Region: Arkansas

Hammock Sedge: A Hidden Gem for Shade Gardens

If you’re searching for a native groundcover that thrives in those tricky shady spots, hammock sedge (Carex fissa var. fissa) might just be the unsung hero your garden needs. This charming little sedge brings quiet elegance to woodland settings while supporting local ecosystems—though it comes with a few important considerations for responsible gardeners.

What is Hammock Sedge?

Hammock sedge is a perennial grass-like plant that belongs to the sedge family (Cyperaceae). Don’t let the grass-like description fool you—sedges have their own unique charm and tend to be much more adaptable to challenging growing conditions than traditional lawn grasses. This particular variety forms neat, tufted clumps with narrow, arching leaves that create a soft, textural element in the landscape.

Native Range and Distribution

This sedge is native to the lower 48 United States, with populations naturally occurring across seven states: Arkansas, Kansas, Maryland, Mississippi, Missouri, Oklahoma, and Texas. Its distribution spans from the south-central to southeastern regions, where it has adapted to local woodland conditions over thousands of years.

A Word About Rarity

Here’s where things get important: hammock sedge has a somewhat unclear global conservation status, and in Arkansas, it’s considered quite rare with an S1 status. This means if you’re considering adding this plant to your garden, you’ll want to source it responsibly. Look for nurseries that propagate their own plants rather than wild-collecting, or better yet, see if you can find seeds from ethical sources.

Garden Appeal and Landscape Role

Hammock sedge brings a understated beauty to shaded areas where many other plants struggle. Its narrow, arching foliage creates gentle texture and movement, making it perfect for:

  • Woodland gardens and natural areas
  • Shade groundcover applications
  • Rain gardens and native plant landscapes
  • Naturalistic garden designs

While it may not have the flashy blooms of showier perennials, its quiet presence provides the kind of foundational beauty that makes other plants shine.

Growing Conditions and Care

One of hammock sedge’s best qualities is its adaptability. This hardy perennial thrives in USDA zones 6-9 and prefers:

  • Partial to full shade conditions
  • Moist to moderately dry soils
  • Low-maintenance care once established

The beauty of native sedges like this one is their drought tolerance after establishment. While they appreciate consistent moisture, they won’t throw a dramatic fit if you forget to water during dry spells.

Planting and Care Tips

Getting hammock sedge established is refreshingly straightforward:

  • Plant in spring or early fall for best establishment
  • Space plants according to desired coverage (they’ll slowly spread to form colonies)
  • Water regularly the first growing season, then reduce as the plant establishes
  • Little to no fertilization needed—native plants prefer lean conditions
  • Minimal pruning required; cut back in late winter if desired

Wildlife and Ecosystem Benefits

While specific wildlife benefits for this sedge variety aren’t well-documented, sedges in general provide valuable ecosystem services. They offer shelter for small creatures, and their seeds can provide food for birds. As a native plant, hammock sedge also supports the complex web of insects and other small wildlife that have co-evolved with it over millennia.

Should You Grow Hammock Sedge?

If you can source it responsibly and you have the right growing conditions, hammock sedge can be a wonderful addition to a native plant garden. However, given its rarity in some areas, you might also consider other native sedges that are more readily available and equally beautiful. The key is supporting native plant ecosystems while being mindful of conservation concerns.

For gardeners in its native range looking to create authentic woodland gardens, hammock sedge offers a chance to grow something truly special—just be sure you’re doing it in a way that supports, rather than threatens, wild populations.

Hammock 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 fissa Mack. - hammock sedge

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