How much sun does Swamp Sawgrass need?

Swamp Sawgrass grows best in full sun conditions.

When does Swamp Sawgrass bloom?

Swamp Sawgrass blooms in June, July, August, and September.

Where is Swamp Sawgrass native?

Swamp Sawgrass (Cladium mariscus) is native to AL, AR, AZ, CA and 11 more states, per the USDA PLANTS Database and regional native plant society lists.

Is Swamp Sawgrass toxic to livestock?

The USDA PLANTS Database does not flag Swamp Sawgrass as toxic to livestock.

Is Swamp Sawgrass HOA-friendly?

Swamp Sawgrass takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Swamp Sawgrass

Name: Pollinator Patch
Author: Pollinator Patch

Cladium mariscus

Last reviewed: June 2026

The USDA PLANTS Database (opens in new tab) does not flag Swamp Sawgrass as toxic to livestock.

Light

full sun

Water

high

Size

36"–120" H × 24"–60" W

Bloom

Jun, Jul, Aug, Sep

Native to

AL, AR, AZ, CA and 11 more states

Browse plants for this ecoregion

Central California Valley Mojave Basin and Range Chihuahuan Deserts Edwards Plateau Western Gulf Coastal Plain Sonoran Basin and Range

Swamp sawgrass is a tall, robust native grass that forms large clumps in wetland areas. This evergreen perennial can reach up to 10 feet tall and produces brownish flower clusters during summer and fall. It requires consistently moist to wet soil conditions and thrives in full sun locations.

In an HOA neighborhood

Swamp Sawgrass takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Extremely tall and can appear wild or unkempt
Sharp-edged leaves pose safety concerns near walkways
Wetland appearance may seem inappropriate for residential landscaping

Wildlife value

This grass provides nesting material and shelter for waterfowl and marsh birds. The seeds attract various wetland birds, and the dense clumps offer cover for small wildlife in aquatic environments.

Common questions

How much sun does Swamp Sawgrass need?: Swamp Sawgrass grows best in full sun conditions.
When does Swamp Sawgrass bloom?: Swamp Sawgrass blooms in June, July, August, and September.
Where is Swamp Sawgrass native?: Swamp Sawgrass (Cladium mariscus) is native to AL, AR, AZ, CA and 11 more states, per the USDA PLANTS Database and regional native plant society lists.
Is Swamp Sawgrass toxic to livestock?: The USDA PLANTS Database does not flag Swamp Sawgrass as toxic to livestock.
Is Swamp Sawgrass HOA-friendly?: Swamp Sawgrass 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 USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Swamp Sawgrass? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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