Swamp flatsedge (Cyperus ligularis)

Swamp flatsedge

Also known as: Purple Sedge

Swamp flatsedge is a tropical perennial sedge, typically thriving in coastal marshes and sandy soils. With long, narrow, grass-like leaves, it features tall stems topped by dense clusters of small brown spikelets. Its robust root system enables it to stabilize shorelines, showcasing adaptation to fluctuating water levels and saline conditions.

Scientific classification

Species

Swamp flatsedge (Cyperus ligularis)

Grasses, sedges and allies

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Grass

Plant Type

All year round

Bloom Time

30 cm to 1.3 m

Plant Height

8 mm to 1.5 cm

Flower Size

Brown

Flower Color

Winter dormancy

Dormancy

Evergreen

Leaf type

Images of Swamp flatsedge

Distribution of Swamp flatsedge

Distribution Map

Swamp flatsedge is native to a broad range of primarily tropical regions, flourishing in both Central and South America as well as parts of Africa. Moreover, it has established itself beyond these areas, with introductions noted across various major regions.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Beaches, brackish marshes, mangrove swamps, disturbed soils, ditches, riverbanks, coastal croplands

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Swamp flatsedge

Twice per week

Water

Partial sun

Sunlight

10 - 41 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Originating in marshy environments, swamp flatsedge thrives with high humidity and moist soil. It requires watering twice a week to maintain moisture. Outdoors, attention to soil moisture is crucial, particularly during the growing season when its demand for water intensifies.

Fertilize: Fertilize swamp flatsedge monthly with half-strength, balanced lawn fertilizer for healthy growth. Increase frequency during warmer months and reduce in cool seasons. Water before and after application to aid absorption and avoid root burn, following label instructions due to swamp flatsedge's sensitivity to chemicals.

Pruning: Swamp flatsedge thrives in moist environments and features flat blades. Prune dead foliage in early to late spring to boost growth and airflow. Avoid excessive pruning to reduce stress, as strategic trimming promotes vigorous growth and enhances the plant's overall health and appearance.

Propagation: Swamp flatsedge thrives in moist conditions and is best propagated by dividing rhizomes. Ensure clean cuts for replanting, providing ample space. Use soil that retains moisture without waterlogging. Early pest monitoring and root health checks are crucial for establishing strong plants.

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Images of Swamp flatsedge

Distribution of Swamp flatsedge

Care Guide for Swamp flatsedge

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