Smooth-Fruit Sedge
Carex heteroneura
Last reviewed: August 2026

Toxicity unknown
Smooth-Fruit Sedge (Carex heteroneura) 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
8"–24" H × 6"–12" W
Bloom
May, Jun, Jul
Native to
CA, CO, ID, MT 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 437 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
Carex heteroneura is a sedge that forms compact clumps of narrow, arching foliage. This adaptable grass-like perennial thrives in partial sun with moderate water needs and produces inconspicuous flowers from late spring through summer.
In an HOA neighborhood
Smooth-Fruit Sedge is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- May appear brown and dormant in winter months
Wildlife value
While not a major pollinator plant, this sedge provides habitat and nesting material for small wildlife. The seeds offer food for ground-feeding birds and small mammals.
Common questions
- How much sun does Smooth-Fruit Sedge need?
- Smooth-Fruit Sedge grows best in part sun conditions.
- When does Smooth-Fruit Sedge bloom?
- Smooth-Fruit Sedge blooms in May, June, and July.
- Where is Smooth-Fruit Sedge native?
- Smooth-Fruit Sedge (Carex heteroneura) is native to CA, CO, ID, MT and 5 more states, per vouchered herbarium specimen records and regional native plant society lists.
- Is Smooth-Fruit Sedge HOA-friendly?
- Smooth-Fruit 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.
Ready to grow Smooth-Fruit Sedge? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz