Peace Lily (Spathiphyllum floribundum)

Peace Lily

Spathiphyllum floribundum

Elegant white spathes bring quiet calm to indoor spaces. Evergreen herbaceous perennial; common name: peace lily.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright indirect light supports consistent blooming; tolerates low light but reduces flower production; avoid direct sunlight which scorches leaves
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Watering Water when the top 2–3 cm of soil feels dry; avoid overwatering to prevent root rot and yellowing foliage
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Temperature Thrives at 18–24°C; avoid cold drafts and temperatures below 12°C which cause leaf browning and stunted growth
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Characteristics

  • Leaf: Glossy, dark green lanceolate to elliptical leaves with pointed tips, growing in basal clumps
  • Flower: White hooded spathe surrounding a creamy white spadix, emerging above foliage
  • Stem: Short underground rhizomes; no visible aerial stems
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Care Guide

Watering

Keep soil consistently moist but not waterlogged

Fertilization

Diluted balanced liquid feed every 2 weeks. Avoid over-fertilizing, which can cause leaf tip burn; stop feeding in autumn and winter

Banana peel compost tea:Compost banana peels for 2–3 weeks, steep in water for 24 hours, dilute 1:20 for root drench; avoid raw peels to prevent pest infestations and odor
Pruning
  • Remove spent blooms and yellowing leaves at the base to preserve plant energy
  • Trim brown leaf tips with sterile sharp scissors, cutting just above the browning to maintain appearance
  • Divide overcrowded clumps during spring repotting to propagate new plants
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion may cause drooling, vomiting, oral pain, and difficulty swallowing

Humans: Contains calcium oxalate crystals; ingestion causes oral and throat irritation; contact may trigger mild skin itch

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Garden Uses & Culture

Culture: Symbolizes peace, purity, and sympathy; commonly used in funeral and memorial arrangements

Usage: Indoor ornamental foliage; recognized for air-purifying properties in NASA Clean Air Study