Broad-leaf sedge (Carex platyphylla)

Broad-leaf sedge

Also known as: Wide-leaved sedge

Broad-leaf sedge (Carex platyphylla) is a grass-like wetland plant native to eastern North America. It is distinct from other sedges because of its broad, hairless, bluish leaves. When it comes to habitat, broad-leaf sedge prefers moist forests with high pH-soil. It is also grown in gardens as an ornamental plant and has produced several attractive commercial cultivars.

Scientific classification

Species

Broad-leaf sedge (Carex platyphylla)

Grasses, sedges and allies

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Perennial

Lifespan

Grass

Plant Type

Spring, Late winter

Bloom Time

15 cm to 36 cm

Plant Height

15 cm to 30 cm

Spread

5 - 32 ℃

Ideal Temperature

Spring

Growth Season

Images of Broad-leaf sedge

Culture

Interesting Facts

In 1754, Lin Nai founded the true sedge genus. True sedge is also one of the main components of the flora in China. It is the dominant grass species in the lowest forest layer in many areas. In some forests, the lower vegetation is mostly true sedge.

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Quickly Identify Broad-leaf sedge

Distinct blue-green leaves with metallic sheen

0.8 inches (2 cm) wide leaf blades

Brownish flower spikes up to 10 inches (25 cm) tall

Spikes of small greenish flowers without petals

Perigynium fruit with subtle tapering 0.08 inches (2 mm) beak

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Care Guide for Broad-leaf sedge

Every week

Water

Partial sun

Sunlight

5 - 32 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Broad-leaf sedge thrives in moist, shaded environments, preferring evenly moist soil. It shows moderate drought tolerance once established and needs weekly watering. Typically grown outdoors in temperate zones, broad-leaf sedge benefits from seasonal rainfall for optimal growth.

Fertilize: For broad-leaf sedge, enrich soil annually with mulch or compost in early spring to enhance growth and vigor. Use a thin layer, adjusting to size, while avoiding synthetic fertilizers to preserve the plant's natural habitat balance and prevent overfertilization.

Pruning: Broad-leaf sedge thrives with early spring pruning, removing damaged or old foliage to foster fresh growth. This practice improves airflow, reduces pests, and enhances vitality. Timing should align with the growth cycle to minimize stress. Refer to horticultural guides for precise pruning techniques.

Propagation: Broad-leaf sedge propagates best through division in early spring or autumn. Separate clumps, ensuring healthy roots, and replant immediately in moist, well-drained soil in partly-shaded areas. Regular watering is essential for initial growth, leading to expanding clumps for future divisions.

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