Chasmanthium sessiliflorum

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Longleaf Woodoats

Poaceae (Gramineae)

Also known as Uniola sessiliflora

Plant Specifics

Size:Approximately 3 ft tall in clumps about 3 ft across.
Life Span:Long-lived perennial
Flower Color:Green
Fruit Color:Brown
Phenology:Winter dormant. Blooms June-July.
Noted for:Showy fruits


Recommended Uses:Border plant.  Also used for restoration.
Propagation:Plugs or seed which is said to be slow to establish.
Availability:Native nurseries, Seed
Light: Part Shade
Moisture Tolerance:
always floodedextremely dry
 (Usually moist, occasional inundation ----- to ----- Not wet but not extremely dry)
Moisture Tolerance: Usually moist, occasional inundation ----- to ----- Not wet but not extremely dry
Salt Water Flooding Tolerance:Not salt tolerant of inundation by salty or brackish water.
Salt Spray/ Salty Soil Tolerance:Low/no tolerance of salty wind or direct salt spray
Soil or other substrate:Clay, Loam, Sand
Soil pH:Neutral to slightly acidic



Birds and other wildlife consume seed.

Native Habitats:Moist sites.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 8A 8B 9A 9B 

USDA zones are based on minimum winter temperatures