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Variable witchgrass
Dichanthelium commutatum
Poaceae
 

Copyright by: Shirley Denton

General Landscape Uses: Primarily recommended for natural landscapes and habitat restorations.

Availability: Grown by enthusiasts and occasionally by native plant nurseries.

Description: Small herbaceous grass.

Dimensions: About 3-6 inches tall. As broad as tall except when in flower.

Growth Rate: Fast.

Range: Southeastern United States west to Texas and south to Miami-Dade County and the Monroe County mainland; Greater Antilles, Mexico and Central America.

Map of select IRC data from peninsular Florida.

Habitats: A wide variety of forests.

Soils: Moist, well-drained sandy or limestone soils, with humusy top layer.

Nutritional Requirements: Moderate; can grow in nutrient poor soils, but needs some organic content to thrive.

Salt Water Tolerance: Low; does not tolerate long-term 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: Light shade to moderate shade.

Flower Color: Brownish inflorescence.

Flower Characteristics: Inconspicuous.

Flowering Season: Spring-fall.

Fruit: Inconspicuous caryopsis.


Copyright by: Shirley Denton

Copyright by: Shirley Denton

Copyright by: Shirley Denton


Other data on Dichanthelium commutatum available from:



 
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