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Flatleaf flatsedge
Cyperus planifolius
Cyperaceae


General Landscape Uses:

Primarily recommended for natural landscapes and habitat restorations.

Ecological Restoration Notes:

A somewhat weedy element of open, coastal uplands.
Availability:
Grown by enthusiasts.
Description:
Medium herbaceous sedge.
Dimensions:
About 2-3 feet in height; to 4 feet when in flower. Taller than broad when in flower.
Growth Rate:
Fast.
Range:
Monroe County Keys north along the coasts to Volulsia and Levy counties; also reported for Georgia and Alabama but the status there is uncertain; West Indies, southern Mexico, Central America and northern South America.
Habitats:
Coastal thickets.
Soils:
Occasionally inundated to moist, well-drained to moderately well-drained limestone or calcareous sandy soils, with or without humusy top layer.
Nutritional Requirements:
Moderate to low; it prefers soils with organic content, but will still grow reasonably well in nutrient poor soils.
Salt Water Tolerance:
Moderate; tolerates brackish water or occasional inundation by salt water.
Salt Wind Tolerance:
High; can tolerate moderate amounts of salt wind without injury.
Drought Tolerance:
Moderate; generally requires moist soils, but tolerant of short periods of drought once established.
Light Requirements:
Full sun to light shade.
Flower Color:
Maroon-red inflorescence.
Flower Characteristics:
Semi-showy inflorescence.
Flowering Season:
Spring-fall.
Fruit:
Inconspicuous brown achene. All year.
Horticultural Notes:
Can be grown from seed.
Comments:
Somewhat weedy and perhaps best approached with caution.


 


George D. Gann
George D. Gann