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Sea-oats
Uniola paniculata
Poaceae
 

Copyright by: Roger L. Hammer

General Landscape Uses: Accent grass in sunny coastal locations.

Availability: Widely cultivated.

Description: Large herbaceous grass.

Dimensions: About 3-4 feet in height; to 6 feet or more when in flower. Spreading from underground stems and forming large patches.

Growth Rate: Moderate.

Range: Eastern and southeastern United States west to Texas and south to the Monroe County Keys; West Indies and Mexico. Absent or very rare in the upper Florida Keys.

Plant Map Map of select IRC data from peninsular Florida.

 Map of suggested ZIP codes north to Indian River and Manatee counties.

 Map of ZIP codes with habitat recommendations north to Martin and Charlotte counties.

Habitats: Beach dunes and open coastal areas.

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: Showy inflorescence.

Flowering Season: All year; peak in summer.

Fruit: Inconspicuous light brown caryopsis. Primarily late summer to early fall.

Wildlife and Ecology: The most important stabilizer of sand on beach dunes. Most plants are established through vegetative reproduction.

Horticultural Notes: Can be grown from seed and division.

Comments: It is illegal to collect the flower spike or seed heads in Florida, without a permit.


Copyright by: Roger L. Hammer

Copyright by: Shirley Denton

Copyright by: Roger L. Hammer

Copyright by: Shirley Denton

Copyright by: Shirley Denton

Copyright by: Keith A. Bradley

Copyright by: Keith A. Bradley


Other data on Uniola paniculata available from:



 
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