Skip to main content

Cone Shaped Sedge

Carex conoidea

Last reviewed: August 2026

Cone Shaped Sedge (Carex conoidea)
Photo: Étienne Lacroix-Carignan / Wikimedia Commons (CC0)

Toxicity unknown

Cone Shaped Sedge (Carex conoidea) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part shade

Water

medium

Size

12"–24" H × 6"–12" W

Bloom

May, Jun, Jul

Native to

AR, CT, DE, IA and 18 more states

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Carex conoidea is a native sedge that forms neat clumps of narrow, grass-like foliage in partially shaded areas. This compact perennial produces inconspicuous flower spikes in late spring and early summer, making it an excellent groundcover or accent plant for woodland gardens.

In an HOA neighborhood

Cone Shaped Sedge is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

Wildlife value

This sedge provides nesting material and cover for small birds and beneficial insects. While not showy to pollinators, it supports the broader ecosystem by offering habitat structure in naturalized areas.

Common questions

How much sun does Cone Shaped Sedge need?
Cone Shaped Sedge grows best in part shade conditions.
When does Cone Shaped Sedge bloom?
Cone Shaped Sedge blooms in May, June, and July.
Where is Cone Shaped Sedge native?
Cone Shaped Sedge (Carex conoidea) is native to AR, CT, DE, IA and 18 more states, per vouchered herbarium specimen records and regional native plant society lists.
Is Cone Shaped Sedge HOA-friendly?
Cone Shaped Sedge is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Cone Shaped Sedge? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Planning a bed around it? Start a free plan with this plant

Not sure where to start? Take the 2-minute yard quiz