Knotted spikerush
Eleocharis interstincta
Cyperaceae


Landscape Uses:

Primarily recommended for natural landscapes and habitat restorations. Also margins of ponds and lakes.

Ecological Restoration Notes:

Availability:
Grown by one or two native plant nurseries in South Florida.
Description:
Medium to large emergent herbaceous sedge with narrow rounded stems.
Height:
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.
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.
Wildlife and Ecology:
Horticultural Notes:
Can be grown from seed or divisions.
Comments:


Susan Trammell