Crested Sedge
Carex cristatella
Last reviewed: August 2026
Crested sedge is a clump-forming grass-like perennial that blooms in May and June and thrives in consistently moist to wet soil with part sun to full sun exposure.
Toxicity unknown
Crested Sedge (Carex cristatella) 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.
The USDA PLANTS Database (opens in new tab) does not flag Crested Sedge as toxic to livestock.
Light
part sun
Water
medium
Size
12"–24" H × 6"–12" W
Bloom
May, Jun
Native to
AL, CT, DE, IA and 22 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.
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Carex cristatella is a native sedge that forms neat clumps of narrow, arching green foliage. This well-behaved perennial grass produces small flower spikes in late spring and early summer, then goes dormant in winter.
Growing Crested Sedge
Grow Crested Sedge in part sun and medium water. Mature plants reach 12 to 24 inches tall and spread 6 to 12 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Crested Sedge is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- Goes dormant in winter leaving brown foliage
Wildlife value
This sedge provides habitat and food for various small wildlife and insects. The seeds may attract some birds, though it's not a major pollinator plant.
Common questions
- When does Crested Sedge bloom?
- Carex cristatella typically flowers in May and June, producing small clustered spikes above the grass-like foliage.
- How much water does Crested Sedge need?
- This sedge prefers consistently moist to wet soil and is often found in wet meadows, ditches, and along stream banks where moisture is reliable.
- How much sun does Crested Sedge need?
- It grows best with part sun but can tolerate conditions ranging from full sun to part shade, especially where soil moisture stays high.
- Is Crested Sedge a true grass?
- No, it belongs to the sedge family (Cyperaceae) rather than true grasses, though its narrow leaves give it a similar grass-like appearance.
- Is Crested Sedge toxic to livestock?
- The USDA PLANTS Database does not flag Crested Sedge as toxic to livestock.
- Is Crested Sedge HOA-friendly?
- Crested Sedge is generally an HOA-friendly choice in the right placement, with low maintenance.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
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.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Crested Sedge? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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