191 EVELYN CT
GrassUSDA: CHLA5PLANTED: SPRING 2025

Inland Sea Oats

Chasmanthium latifolium

FAMILY: Poaceae (Grass Family)
ALSO KNOWN AS:
Indian Wood OatsWild OatsRiver OatsFlathead OatsUpland OatsUpland Sea OatsBroadleaf Wood Oats
A vital larval host plant for Central Texas butterflies including Pepper & Salt Skipper Butterfly, Bell's Road Side Skipper Butterfly, and Bronzed Roadside Skipper Butterfly, Inland Sea Oats (Chasmanthium latifolium) is a deciduous Texas native grass native across the Cross Timbers, East Central Texas Plains, Edwards Plateau, Gulf Coast Prairies and Marshes, Southern Texas Plains, Texas Blackland Prairies, and Western Gulf Coastal Plain. It features distinctive green foliage. During Summer and Fall, the plant produces green blooms. Flowering is followed by tan fruit that adds seasonal contrast. It plays a key ecological role as a larval host plant for Central Texas butterflies, including Pepper & Salt Skipper Butterfly, Bell's Road Side Skipper Butterfly, and Bronzed Roadside Skipper Butterfly. Seeds eaten by small mammals and granivorous birds. Leaves provide graze for mammals. Stems and leaves used as nesting material by birds. Thriving in calcareous, clay, limestone, loam, moist, poor drainage, and sand, Inland Sea Oats demonstrates outstanding hardiness once established. It requires minimal supplemental water and tolerates dry spells with ease. It offers high deer resistance.
Inland Sea Oats

Inland Sea Oats

Chasmanthium latifolium

CREDIT: NPSOT
NATIVE RANGE // EPA & NPSOT

Texas Native Ecoregions36 REGIONS

[ INITIALIZING GEOSPATIAL MAP DATA... ]

Cross Timbers, East Central Texas Plains, Edwards Plateau, Gulf Coast Prairies and Marshes, Southern Texas Plains, Texas Blackland Prairies, Western Gulf Coastal Plain

SOURCE: US EPA L3/L4 ECOREGIONS • NPSOT VERIFIED30.1727° N, 98.0873° W (DRIPPING SPRINGS, TX)
GROWTH & VISUAL PROFILEPerennial • Grass & Sedge
HEIGHT

2 ft.

SPREAD

2 ft.

🌱GROWTH

Moderate

🍂FOLIAGE

Deciduous

BLOOM COLOR
Green
BLOOM CALENDARSummer, Fall (6 MO)
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
BOTANICAL ALIASES & ALTERNATE NAMES7 ALIASES
Indian Wood OatsWild OatsRiver OatsFlathead OatsUpland OatsUpland Sea OatsBroadleaf Wood Oats
ECOLOGICAL ROLE & WILDLIFE
🦋 CENTRAL TEXAS LARVAL HOST PLANT

Larval food plant for: Pepper & Salt Skipper Butterfly, Bell's Road Side Skipper Butterfly, Bronzed Roadside Skipper Butterfly

ATTRACTS & SUPPORTS
Larval Host: Bronzed Roadside Skipper ButterflyLarval Host: Bell's Road Side Skipper ButterflyLarval Host: Pepper & Salt Skipper ButterflyBirdsButterfliesSmall Mammals

Larval host plant for Central Texas butterflies: Pepper & Salt Skipper Butterfly, Bell's Road Side Skipper Butterfly, and Bronzed Roadside Skipper Butterfly. Verified online via Lady Bird Johnson Wildflower Center. Verified via Texas Entomology (Mike Quinn, texasento.net) and Lady Bird Johnson Wildflower Center (wildflower.org).

WATER NEEDLow, Medium (Drought Tolerant)
VL
LOW
MOD
HIGH
SOLAR NEEDPart Shade, Shade
SHADE
PART SHADE
PART SUN
FULL SUN
SUBSTRATE & SOILpH: Neutral to Alkaline
CalcareousClayLimestoneLoamMoistPoor DrainageSand
⚠️ BOTANICAL SAFETY NOTICE

Non-toxic to humans, birds, and domestic animals.

MAINTENANCE & PROPAGATION

Low maintenance once established.