How much sun does Richardson Sedge need?

Richardson Sedge grows best in part sun conditions.

When does Richardson Sedge bloom?

Richardson Sedge blooms in May, June, and July.

Where is Richardson Sedge native?

Richardson Sedge (Carex richardsonii) is native to IA, IL, IN, MD and 10 more states, per the World Checklist of Vascular Plants (Kew).

Is Richardson Sedge HOA-friendly?

Richardson Sedge is generally an HOA-friendly choice in the right placement, with low maintenance.

Richardson Sedge

Name: Pollinator Patch
Author: Pollinator Patch

Carex richardsonii

Last reviewed: August 2026

Toxicity unknown

Richardson Sedge (Carex richardsonii) 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 sun

Water

medium

Size

12"–24" H × 6"–12" W

Bloom

May, Jun, Jul

Native to

IA, IL, IN, MD and 10 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

Browse plants for this ecoregion

Northwestern Forested Mountains Western Corn Belt Plains Great Plains Northern Lakes and Forests North Central Hardwood Forests Driftless Area Southeastern Wisconsin Till Plains Central Corn Belt Plains Southern Michigan/Northern Indiana Drift Plains Interior River Valleys and Hills

Carex richardsonii is a native sedge that forms neat, compact clumps of fine-textured foliage. This well-behaved perennial produces inconspicuous flowers in late spring and early summer while maintaining an orderly appearance throughout the growing season.

In an HOA neighborhood

Richardson 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 seeds for birds and nesting material, while also serving as a host plant for some butterfly larvae. The dense clumps offer shelter for small wildlife and beneficial insects.

Common questions

How much sun does Richardson Sedge need?: Richardson Sedge grows best in part sun conditions.
When does Richardson Sedge bloom?: Richardson Sedge blooms in May, June, and July.
Where is Richardson Sedge native?: Richardson Sedge (Carex richardsonii) is native to IA, IL, IN, MD and 10 more states, per the World Checklist of Vascular Plants (Kew).
Is Richardson Sedge HOA-friendly?: Richardson Sedge is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from the World Checklist of Vascular Plants (Kew). 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 Richardson Sedge? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Add this plant to your garden

iPhone app Android app

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

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