Ctenium aromaticum

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Toothache Grass

Poaceae (Gramineae)

Plant Specifics

Size:Foliage short (about 6 inches) with bloom stalks 3-5 ft tall.  Clumps about 3-5 ft wide.
Life Span:Long-lived perennial
Flower Color:Green
Fruit Color:Brown
Phenology:Winter dormant. Flowers summer-fall.
Noted for:Showy fruits


Recommended Uses:Restoration of savannas. Curiosity in the wildflower garden.
Availability:Native nurseries, Seed
Light: Full Sun,  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:Sand
Soil pH:Acidic to neutral



Small birds consume seed. 


it is the larval host plant of arogos skipper (Atrytone arogos) butterflies.

Native Habitats:Cutthroat seeps, wet flatwoods, savannas.

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