Sea Oats is a warm season semi-evergreen herbaceous perennial grass native to coasts of the Eastern US from Virginia to Texas. It plays a critical role in dune stabilization and also serves as an excellent ornamental for coastal landscapes. This erect grass bears showy one-sided panicles of seeds resembling oats, hence the common name of Sea Oats. Plants are very picturesque gently waving in a coastal breeze.
Plant Habit or Use:
sun, partial sun
Small flattened greenish spikelets, not particularly showy.
Showy one-sided nodding seed heads resembling oats.
3 ft to 5 ft (8 ft)
1 ft to 3 ft
Explanation of the Earth–Kind® Index breakdown
- Heat Tolerance: Non-Defined Heat Tolerance
- Water Requirements: Non-Defined Water Use
- Soil Requirements: Non-Defined Soil Requirements
- Pest Tolerance: Non-Defined Pest Resistance
- Fertility Requirements: Non-Defined Fertility Requirements
USDA Hardiness Zones:
8, 9, 10, 11
Regions that intersect these hardiness zones:
Click image for enlarged map of USDA Hardiness Zones
Region A - Panhandle and High Plains• Region B - North and Central Texas• Region C - Northeast and East Texas• Region D - West Texas• Region E - Upper Rio Grande• Region F - Hill Country and Central Coast• Region G - Southeast Texas• Region H - Rio Grande Valley
Extremely salt tolerant. One of the few plants to live right on the shore's edge.