North America Native Plant

Manhart’s Sedge

Botanical name: Carex manhartii

USDA symbol: CAMA33

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Manhart’s Sedge: A Rare Southeastern Native Worth Growing Meet Manhart’s sedge (Carex manhartii), a charming little perennial that’s flying under the radar in most gardening circles. This native sedge might not win any flashy flower contests, but it’s got something special going for it – it’s a true regional treasure ...

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 ⚘

Manhart’s Sedge: A Rare Southeastern Native Worth Growing

Meet Manhart’s sedge (Carex manhartii), a charming little perennial that’s flying under the radar in most gardening circles. This native sedge might not win any flashy flower contests, but it’s got something special going for it – it’s a true regional treasure that deserves a spot in more southeastern gardens.

What Makes Manhart’s Sedge Special?

Manhart’s sedge is a grass-like perennial that belongs to the sedge family (Cyperaceae). Don’t let its modest appearance fool you – this unassuming plant plays an important role in southeastern ecosystems. As a native species, it has evolved alongside local wildlife and naturally fits into the regional landscape.

However, there’s something important you should know: Manhart’s sedge has a Global Conservation Status of S3S4, which means it’s considered uncommon to fairly common but still of conservation concern. This rarity makes it all the more valuable for gardeners who want to support native biodiversity.

Where Does It Call Home?

This southeastern native has a relatively limited range, naturally occurring in Georgia, North Carolina, South Carolina, Tennessee, and Virginia. It’s particularly associated with the Appalachian region, where it grows in woodland settings.

Should You Plant Manhart’s Sedge?

Absolutely – but with an important caveat! Given its rarity status, you should only plant Manhart’s sedge if you can source it responsibly. Look for reputable native plant nurseries that propagate their stock rather than collecting from wild populations. By growing this species in your garden, you’re helping to preserve genetic diversity and potentially providing seed for future conservation efforts.

Perfect Spots for This Native Sedge

Manhart’s sedge thrives in:

  • Woodland gardens where it can naturalize
  • Shade to partial shade areas
  • Natural landscape designs
  • Native plant gardens
  • Areas where you want low-maintenance groundcover

This sedge forms small, neat clumps with narrow, grass-like foliage that adds texture to shaded areas. While it won’t provide the showstopping blooms of flashier perennials, its subtle beauty and ecological value make it a worthy addition to any native plant collection.

Growing Conditions and Care

The good news? Manhart’s sedge is relatively easy-going once you understand its preferences:

Climate: Hardy in USDA zones 6-8, making it perfect for most southeastern gardens.

Light: Prefers partial to full shade – think woodland understory conditions.

Soil: Adaptable to moist to moderately dry soils. It’s not particularly fussy about soil type as long as drainage is reasonable.

Maintenance: This is a low-maintenance plant once established. You can divide clumps in spring if you want to propagate or refresh the planting.

Wildlife and Ecological Benefits

While Manhart’s sedge is wind-pollinated (so it won’t attract butterflies and bees directly), it provides other important ecological services. Native sedges like this one often serve as host plants for moth and butterfly larvae, and their seeds can provide food for birds. The root systems also help stabilize soil and support beneficial soil organisms.

The Bottom Line

Manhart’s sedge might not be the most glamorous plant in your garden, but it’s definitely one of the most meaningful. By choosing to grow this rare native, you’re supporting local ecosystems, preserving genetic diversity, and creating habitat for wildlife. Just remember to source it responsibly – this little sedge is worth protecting for future generations of gardeners and wildlife alike.

Ready to add some authentic southeastern character to your shade garden? Manhart’s sedge is waiting to show you that sometimes the most valuable plants are the ones that whisper rather than shout.

Manhart’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 manhartii Bryson - Manhart'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