North America Native Plant

Le Conte’s Flatsedge

Botanical name: Cyperus lecontei

USDA symbol: CYLE2

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Le Conte’s Flatsedge: A Native Sedge for Wet Spaces If you’ve been searching for the perfect native plant to fill that perpetually soggy spot in your yard, meet Le Conte’s flatsedge (Cyperus lecontei). This unassuming little sedge might not win any beauty contests, but it’s a hardworking native that deserves ...

Le Conte’s Flatsedge: A Native Sedge for Wet Spaces

If you’ve been searching for the perfect native plant to fill that perpetually soggy spot in your yard, meet Le Conte’s flatsedge (Cyperus lecontei). This unassuming little sedge might not win any beauty contests, but it’s a hardworking native that deserves a spot in the right garden.

What is Le Conte’s Flatsedge?

Le Conte’s flatsedge is a perennial sedge native to the southeastern United States. As a member of the sedge family (Cyperaceae), it’s a grass-like plant that thrives in conditions where many other plants would throw in the towel. Don’t expect showy flowers or dramatic foliage – this plant is all about function over flash.

Where Does It Grow Naturally?

This southeastern native calls eight states home: Alabama, Florida, Georgia, Louisiana, Mississippi, New Jersey, North Carolina, and South Carolina. You’ll typically find it growing in wet areas throughout the Atlantic and Gulf Coastal Plain regions, as well as the Eastern Mountains and Piedmont.

Why Consider Le Conte’s Flatsedge for Your Garden?

While Le Conte’s flatsedge won’t stop traffic with its looks, it offers several compelling reasons to include it in the right landscape:

  • Native credentials: As a true native plant, it supports local ecosystems and requires no guilt about introducing non-natives
  • Wet soil specialist: Perfect for those challenging wet areas where other plants struggle
  • Low maintenance: Once established, it largely takes care of itself
  • Naturalization potential: Great for creating authentic wetland environments

Where Does Le Conte’s Flatsedge Shine?

This sedge is tailor-made for specific garden situations:

  • Rain gardens: Excellent choice for managing stormwater runoff
  • Bog gardens: Adds authentic texture to constructed wetlands
  • Pond margins: Natural-looking transition from water to land
  • Wetland restoration: Essential for recreating native wetland communities

Growing Conditions and Care

Le Conte’s flatsedge has very specific needs that you’ll want to understand before planting:

Water requirements: This plant is classified as a facultative wetland species, meaning it usually occurs in wetlands but can tolerate some non-wetland conditions. The key word here is moist – it needs consistently wet to moist soil.

Light needs: Full sun to partial shade work well, though it tends to be most vigorous in sunny locations.

Hardiness: Based on its natural range, Le Conte’s flatsedge is hardy in USDA zones 7-10.

Soil preferences: Adaptable to various wet soil types, from sandy to clay, as long as moisture levels remain adequate.

Planting and Maintenance Tips

Success with Le Conte’s flatsedge comes down to getting the water situation right:

  • Plant in areas that stay consistently moist or experience regular flooding
  • Avoid well-drained, dry locations – this plant will not be happy
  • Once established, minimal care is needed beyond ensuring adequate moisture
  • Allow it to naturalize in appropriate wetland settings

The Reality Check

Let’s be honest – Le Conte’s flatsedge isn’t for every garden or every gardener. If you’re looking for colorful flowers, dramatic foliage, or a plant that works in average garden conditions, this isn’t your match. However, if you have wet areas that need native plant solutions, or you’re creating naturalized wetland spaces, this sedge could be exactly what you need.

Wildlife and Ecological Benefits

While sedges don’t attract pollinators the way flowering plants do (they’re wind-pollinated), they play important roles in wetland ecosystems. Native sedges like Le Conte’s flatsedge provide habitat structure and help with erosion control in wet areas.

Should You Plant Le Conte’s Flatsedge?

The answer depends entirely on your specific situation. If you have consistently wet areas in your landscape and want to use native plants, Le Conte’s flatsedge could be an excellent choice. It’s particularly valuable for rain gardens, wetland restoration projects, and naturalized water features.

However, if your garden has average moisture conditions or you’re looking for ornamental appeal, you’ll probably want to consider other native options that better match your needs and growing conditions.

Remember, the best native garden is one where plants are matched to the right conditions – and for wet, challenging spots in the Southeast, Le Conte’s flatsedge might be just the unsung hero your landscape needs.

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

Atlantic and Gulf Coastal Plain

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Eastern Mountains and Piedmont

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Le Conte’s Flatsedge

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

Cyperus L. - flatsedge

Species

Cyperus lecontei Torr. ex Steud. - Le Conte's flatsedge

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