How much sun does Grass-leaf Rush need?

Grass-leaf Rush grows best in part sun conditions.

When does Grass-leaf Rush bloom?

Grass-leaf Rush blooms in June, July, and August.

Where is Grass-leaf Rush native?

Grass-leaf Rush (Juncus marginatus) is native to AL, AR, AZ, CA and 37 more states, per the World Checklist of Vascular Plants (Kew).

Is Grass-leaf Rush toxic to livestock?

The USDA PLANTS Database does not flag Grass-leaf Rush as toxic to livestock.

What pollinators does Grass-leaf Rush attract?

Grass-leaf Rush draws bees, beetles, and flies.

Is Grass-leaf Rush HOA-friendly?

Grass-leaf Rush is generally an HOA-friendly choice in the right placement, with low maintenance.

Grass-leaf Rush

Name: Pollinator Patch
Author: Pollinator Patch

Juncus marginatus

Last reviewed: August 2026

Toxicity unknown

Grass-leaf Rush (Juncus marginatus) 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 Grass-leaf Rush as toxic to livestock.

Light

part sun

Water

high

Size

8"–24" H × 4"–12" W

Bloom

Jun, Jul, Aug

Native to

AL, AR, AZ, CA and 37 more states

Pollinators

bees, beetles, flies

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

Southern Rockies High Plains Central Great Plains Cross Timbers Edwards Plateau Texas Blackland Prairies East Central Texas Plains Western Gulf Coastal Plain South Central Plains Eastern Temperate Forests Ozark Highlands Central Irregular Plains Great Plains Piedmont Western Corn Belt Plains Northern Lakes and Forests North Central Hardwood Forests Central Corn Belt Plains Eastern Corn Belt Plains Southern Michigan/Northern Indiana Drift Plains Huron/Erie Lake Plains Northeastern Highlands Northeastern Coastal Zone Northern Allegheny Plateau Erie Drift Plain Northern Forests Middle Atlantic Coastal Plain Northern Piedmont Southeastern Plains Blue Ridge Ridge and Valley Central Appalachians Western Allegheny Plateau Interior Plateau Interior River Valleys and Hills Mississippi Alluvial Plain Mississippi Valley Loess Plains Southern Coastal Plain Southern Florida Coastal Plain Acadian Plains and Hills Eastern Great Lakes Lowlands Atlantic Coastal Pine Barrens

Grass-leaf rush is a compact native wetland plant that forms neat clumps of narrow, grass-like foliage. It produces small clusters of brownish flowers in summer and thrives in consistently moist to wet soils.

In an HOA neighborhood

Grass-leaf Rush is an HOA-friendly choice in the right placement. Maintenance level: low. Tidiness: 3 out of 5.

Works well in: foundation, mid zone.

Requires consistently wet conditions which may not suit typical landscaping
May look sparse in dry periods

Wildlife value

The summer blooms attract various pollinators including bees, beetles, and flies. Seeds provide food for wetland birds and waterfowl.

Common questions

How much sun does Grass-leaf Rush need?: Grass-leaf Rush grows best in part sun conditions.
When does Grass-leaf Rush bloom?: Grass-leaf Rush blooms in June, July, and August.
Where is Grass-leaf Rush native?: Grass-leaf Rush (Juncus marginatus) is native to AL, AR, AZ, CA and 37 more states, per the World Checklist of Vascular Plants (Kew).
Is Grass-leaf Rush toxic to livestock?: The USDA PLANTS Database does not flag Grass-leaf Rush as toxic to livestock.
What pollinators does Grass-leaf Rush attract?: Grass-leaf Rush draws bees, beetles, and flies.
Is Grass-leaf Rush HOA-friendly?: Grass-leaf Rush 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

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