General Landscape Uses:
Primarily recommended for natural landscapes and habitat restorations. Also butterfly gardens.
Ecological Restoration Notes:
An occasional understory grass in a wide variety of open upland and wetland ecosytems.
Grown by enthusiasts and occasionally by native plant nurseries.
Medium herbaceous clumping grass.
Typically 1-2 feet in height; to 3 feet when in flower. Typically taller than broad.
Eastern United States west to Texas and south to the Monroe County Keys; West Indies, Mexico and Central America.
Map of select IRC data from peninsular Florida.
Pinelands, prairies and coastal uplands.
Moist to seasonally wet, well-drained sandy or limestone soils, without humus.
Low; it grows in nutrient poor soils.
Salt Water Tolerance:
Low; does not tolerate long-term flooding by salt or brackish water.
Salt Wind Tolerance:
High; can tolerate moderate amounts of salt wind without injury.
High; does not require any supplemental water once established.
Light brown inflorescence.
Noticable caryopsis with three long awns.
Wildlife and Ecology:
Larval host for Meske's skipper (Hesperia meskei).
Can be grown from seed.
Spreads readily from seed in the garden and can become weedy. Our treatment here includes Hillsboro threeawn (A. purpurascens var. tenuispica).