Heartleaf Ice Plant (Mesembryanthemum cordifolium)

Heartleaf Ice Plant

Mesembryanthemum cordifolium

Succulent leaves hold dewdrop sparkle like living jewelry. Low-growing trailing groundcover; common name: Heartleaf Ice Plant.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Requires full sun to produce abundant blooms; tolerates partial shade in extreme heat to prevent leaf scorch
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Watering Allow soil to dry completely between waterings; drought-tolerant once established to avoid root rot
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Temperature Thrives in warm, arid conditions; protect from frost below 10°C to prevent foliage damage
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Characteristics

  • Leaf: Fleshy, heart-shaped bright green foliage up to 2 cm long, covered in glistening papillae
  • Flower: Daisy-like pink to magenta blooms 2–3 cm wide, opening only in full sunlight
  • Stem: Slender, trailing stems that root at nodes to form dense, spreading mats
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Care Guide

Watering

Water deeply when soil is fully dry; reduce frequency during prolonged heatwaves

Fertilization

Diluted balanced liquid feed once monthly. Use half-strength feed to avoid burning succulent roots

Banana peel compost tea:Compost banana peels for 2 weeks, steep in water for 24 hours, dilute 1:20 for root drench; avoid applying directly to foliage
Pruning
  • Trim leggy stems in early spring to encourage compact, bushier growth
  • Deadhead spent blooms regularly to extend the flowering period
  • Thin overcrowded mats to improve air circulation and reduce pest risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic; safe for cats with no reported toxicity

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

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental groundcover, hanging basket plant, and erosion control for sloped landscapes