Toothache grass
Ctenium aromaticum
Poaceae


Landscape Uses:

Primarily recommended for natural landscapes and habitat restorations.

Ecological Restoration Notes:

Availability:
Grown by a few native plant nurseries.
Description:
Medium herbaceous grass.
Height:
About 1-2 feet in height; to 4 feet when in flower. About as broad as tall except when in flower.
Growth Rate:
Moderate.
Range:
Southeastern United States west to Louisiana and south to Palm Beach, Highlands and Hillsborough counties.
Habitats:
Wet pinelands.
Soils:
Wet to moist, seasonally inundated sandy soils, without humus, acid pH.
Nutritional Requirements:
Low; it grows in nutrient poor soils.
Salt Water Tolerance:
Low; does not tolerate flooding by salt or brackish water.
Salt Wind Tolerance:
Low; salt wind may burn the leaves.
Drought Tolerance:
Low; requires moist to wet soils and is intolerant of long periods of drought.
Light Requirements:
Full sun.
Flower Color:
Brownish inflorescence.
Flower Characteristics:
Semi-showy inflorescence.
Flowering Season:
Spring-summer.
Fruit:
Inconspicuous caryopsis.
Wildlife and Ecology:
In the Florida Panhandle, it is the larval host plant of arogos skipper (Atrytone arogos) butterflies.
Horticultural Notes:
Comments:


Shirley Denton