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Smallflower Halfchaff Sedge

Lipocarpha micrantha

Last reviewed: October 2026

Smallflower Halfchaff Sedge (Lipocarpha micrantha)
Photo: Robert H. Mohlenbrock / Wikimedia Commons (Public domain)

Toxicity unknown

Smallflower Halfchaff Sedge (Lipocarpha micrantha) 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

full sun

Water

medium

Size

2"–8" H × 1"–3" W

Bloom

Jul, Aug, Sep

Native to

AL, AR, AZ, CA and 32 more states

Before you buy

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Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 459 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

Sierra NevadaCentral California Foothills and Coastal MountainsCentral California ValleyCentral Great PlainsOzark HighlandsCentral Irregular PlainsGreat PlainsWestern Corn Belt PlainsNorthern Lakes and ForestsNorth Central Hardwood ForestsDriftless AreaCentral Corn Belt PlainsEastern Corn Belt PlainsSouthern Michigan/Northern Indiana Drift PlainsInterior River Valleys and HillsMississippi Alluvial PlainSouthern Coastal PlainSouthern California/Northern Baja Coast

Smallflower halfchaff sedge is a tiny annual native sedge that forms small clumps in sunny, moist areas. This diminutive plant produces inconspicuous flowers from summer through early fall and typically grows no taller than a few inches.

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In an HOA neighborhood

Smallflower Halfchaff 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.

  • Extremely small size makes it nearly invisible in landscaping
  • Annual nature means it disappears each year
  • Sedge-like appearance can look like weedy grass

Wildlife value

As a native sedge, it provides seeds for small birds and supports native insects, though its small size limits its overall wildlife impact.

Common questions

How much sun does Smallflower Halfchaff Sedge need?
Smallflower Halfchaff Sedge grows best in full sun conditions.
When does Smallflower Halfchaff Sedge bloom?
Smallflower Halfchaff Sedge blooms in July, August, and September.
Where is Smallflower Halfchaff Sedge native?
Smallflower Halfchaff Sedge (Lipocarpha micrantha) is native to AL, AR, AZ, CA and 32 more states, per the World Checklist of Vascular Plants (Kew).
Is Smallflower Halfchaff Sedge HOA-friendly?
Smallflower Halfchaff 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.

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