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Knotted spikerush
Eleocharis interstincta
Cyperaceae
 

Copyright by: Susan Trammell

General Landscape Uses: Primarily recommended for natural landscapes and habitat restorations. Also margins of ponds and lakes.

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

Description: Medium to large emergent herbaceous sedge with narrow rounded stems.

Dimensions: Emergent 2-4 feet in height. Spreading from underground stems (rhizomes) and forming large patches.

Growth Rate: Moderate to fast.

Range: Texas, Georgia and Florida south to the Monroe County mainland; West Indies, Mexico, Central America and South America.

Map of select IRC data from peninsular Florida.

Habitats: Freshwater marshes.

Soils: Wet, inundated freshwater soils.

Nutritional Requirements: Moderate to low; it prefers soils with organic content, but will still grow reasonably well 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: Brown inflorescence.

Flower Characteristics: Semi-showy inflorescence.

Flowering Season: Spring-summer.

Fruit: Inconspicuous achene.

Horticultural Notes: Can be grown from seed or divisions.


Copyright by: Susan Trammell


Other data on Eleocharis interstincta available from:



 
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