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Michaux's Sedge

Carex michauxiana

Last reviewed: August 2026

Michaux's Sedge (Carex michauxiana)
Photo: Reuven Martin / Wikimedia Commons (CC0)

Toxicity unknown

Michaux's Sedge (Carex michauxiana) 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

high

Size

8"–24" H × 6"–18" W

Bloom

May, Jun, Jul

Native to

MA, MD, ME, MI and 5 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

Michaux's sedge is a clump-forming wetland grass with narrow, arching leaves that grows 8-24 inches tall. It produces small, inconspicuous flower spikes from May through July and thrives in consistently moist to wet soils in partial shade. The foliage dies back in winter, leaving dormant crowns that regrow each spring.

In an HOA neighborhood

Michaux's Sedge takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Appears very informal and wild-looking
  • Dies back completely in winter leaving bare spots
  • Requires consistently wet conditions that may look messy

Wildlife value

This sedge provides seeds for waterfowl and songbirds, particularly in late summer and fall. The dense clumps offer nesting material and shelter for small wildlife in wetland edges and rain gardens.

Common questions

How much sun does Michaux's Sedge need?
Michaux's Sedge grows best in part shade conditions.
When does Michaux's Sedge bloom?
Michaux's Sedge blooms in May, June, and July.
Where is Michaux's Sedge native?
Michaux's Sedge (Carex michauxiana) is native to MA, MD, ME, MI and 5 more states, per the World Checklist of Vascular Plants (Kew).
Is Michaux's Sedge HOA-friendly?
Michaux's Sedge takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

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 Michaux's 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