Plant Database / Texas Natives / Inland Sea Oats
Texas Natives

Inland Sea Oats

Chasmanthium latifolium
Poaceae (Grass)

A graceful native shade grass with flat oat-like seed heads that dangle and rustle. Reseeds in dry shade.

Texas nativePart shadeLow water
Inland Sea Oats (Chasmanthium latifolium) illustration — Texas Roots plant database, by Jordan Polasek
Sun
Part to full shade
Water
Moderate
Soil
Tolerant
pH
6.0–7.5
Hardiness
Hardy native grass
Height
2–4 ft
Spacing
18 in
Days to harvest
Established

What it is

Inland Sea Oats (Chasmanthium latifolium) is in the Poaceae (Grass) family. A graceful native shade grass with flat oat-like seed heads that dangle and rustle. Reseeds in dry shade.

How to grow it

It wants part to full shade, water it moderate, and give it tolerant soil. Target a soil pH around 6.0–7.5. Space plants about 18 in apart. Expect roughly Established. Hardy native grass.

How it's used

Inland Sea Oats is used: ornamental; seed for wildlife.

🔎 How to identify it

  • Bamboo-like blades
  • Flat drooping seed heads
  • Thrives in shade

Not for eating

Grown for the garden, soil, or pollinators — not as food.
🌤 Before you plant: check the live 7-day garden weather to time it right for frost and heat.

Part of the free Texas Roots plant database, compiled by Jordan Polasek from his greenhouse in El Campo, Texas. Free to read and share. If it helped, the best thanks is to grow something.