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Sea Oats

Uniola paniculata

Last reviewed: June 2026

Uniola paniculata (Sea Oats) is a native coastal grass found along the Atlantic and Gulf coasts from Virginia to Texas. This drought-tolerant perennial blooms June through August with distinctive oat-like seed heads.

Sea Oats (Uniola paniculata)
Photo: (c) Lauren Gillett, some rights reserved (CC BY), uploaded by Lauren Gillett

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

Light

full sun

Water

low

Size

36"–84" H × 6"–12" W

Bloom

Jun, Jul, Aug

Native to

AL, DE, FL, GA and 7 more states

Browse plants for this ecoregion

Sea oats is a tall, graceful grass that forms distinctive seed heads resembling oats in summer. This coastal native grows in narrow clumps and provides excellent texture and movement in the landscape with its upright growth habit.

Growing Sea Oats

Grow Sea Oats in full sun and low water. Mature plants reach 36 to 84 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

Sea Oats 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.

  • Height exceeds typical HOA-friendly range

Wildlife value

The seed heads provide food for birds and small wildlife. As a native grass, it offers nesting material and habitat for various species.

Common questions

Where does Sea Oats naturally grow?
Sea Oats is native to coastal areas of the southeastern United States, including Alabama, Delaware, Florida, Georgia, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Texas, and Virginia.
When does Uniola paniculata bloom?
Sea Oats typically blooms from June through August, producing its characteristic drooping, oat-like seed heads that give the plant its common name.
What growing conditions does Sea Oats prefer?
Sea Oats thrives in full sun and low water conditions, making it well-adapted to sandy coastal environments and beach dunes where it serves as an important dune stabilizer.
Is Sea Oats toxic to livestock?
The USDA PLANTS Database does not flag Sea Oats as toxic to livestock.
Is Sea Oats HOA-friendly?
Sea Oats 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.

Does Sea Oats fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.