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Beachgrass, Bitter panicgrass
Panicum amarum
Poaceae
 

Copyright by: Grasses, Sedges and Rushes of Palm Beach
and Martin Counties, Florida website.

General Landscape Uses: Accent grass in open coastal uplands.

Availability: Grown by one or two native plant nurseries in South Florida.

Description: Medium to large herbaceous grass.

Dimensions: Typically 2-5 feet in height; to 6 feet when in flower. Spreading from underground stems (rhizomes) and forming patches broader than tall.

Growth Rate: Moderate.

Range: Eastern and southern United States west to New Mexico and south to the Monroe County Keys; Bahamas, Cuba and Mexico (Yucatan Peninsula). Rare in the Monroe County Keys.

Map of select IRC data from peninsular Florida.

Habitats: Beach dunes and coastal uplands.

Soils: Moist, well-drained sandy soils, without humus.

Nutritional Requirements: 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: Frontline; grows in direct salt wind but away from constant salt spray.

Drought Tolerance: High; does not require any supplemental water once established.

Light Requirements: Full sun.

Flower Color: Light brown inflorescence.

Flower Characteristics: Inconspicuous.

Flowering Season: All year; peak spring-summer.

Fruit: Inconspicuous light brown caryopsis.

Horticultural Notes: Can be grown from seed.

Comments: Horticultural synonyms: P. amarulum.


Copyright by: Grasses, Sedges and Rushes of Palm Beach
and Martin Counties, Florida website.

Copyright by: Grasses, Sedges and Rushes of Palm Beach
and Martin Counties, Florida website.

Copyright by: Grasses, Sedges and Rushes of Palm Beach
and Martin Counties, Florida website.

Copyright by: Susan Trammell

Copyright by: George D. Gann

Copyright by: George D. Gann


Other data on Panicum amarum available from:



 
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