Plantainleaf Sedge (Carex plantaginea)

Plantainleaf Sedge

Carex plantaginea

Soft, broad leaves form lush groundcover, a quiet green carpet for shaded gardens. Evergreen perennial sedge.

Low light
1–2/week
Beginner
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Plant Needs

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Sunlight Prefers dappled shade or full shade; tolerates gentle morning sun but avoids harsh midday direct sunlight
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Watering Keep soil consistently moist but not waterlogged; avoid allowing the root zone to dry out completely
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Temperature Hardy to cold winter temperatures down to -30°C; thrives in cool summer conditions
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Characteristics

  • Leaf: Broad lance-shaped leaves (1–2 cm wide) with parallel veins, glossy medium green
  • Flower: Inconspicuous brownish spikelets on upright, triangular stems above foliage
  • Stem: Smooth, triangular stems characteristic of the sedge family
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Care Guide

Watering

Maintain even soil moisture; apply mulch to retain hydration

Fertilization

Light top-dressing of compost. Avoid high-nitrogen fertilizers to prevent excessive foliage growth

Composted banana peel tea:Use fully composted banana peels; dilute 1:20 with water for root drench to avoid nutrient burn
Pruning
  • Trim browned foliage in early spring to stimulate new growth
  • Divide overcrowded clumps every 2–3 years to maintain plant vigor
  • Remove spent flower stems after blooming to keep planting tidy
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic; safe for cats with no reported symptoms

Humans: Non-toxic to humans; no known adverse effects from ingestion or contact

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Garden Uses & Culture

Culture: N/A

Usage: Shaded groundcover, erosion control for moist slopes, woodland garden underplanting