Orchid Cactus (Epiphyllum phyllanthus)

Orchid Cactus

Epiphyllum phyllanthus

Flat, fleshy stems unfurl like green ribbons, bearing delicate night-blooming flowers. Epiphytic succulent cactus; common names: Orchid Cactus, Climbing Epiphyllum.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright indirect light; tolerate partial shade; avoid prolonged midday direct sun to prevent phylloclade scorching
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Watering Water thoroughly when the top 2–3 cm of soil is completely dry; avoid overwatering to prevent root rot
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Temperature Thrives at 18–27°C; protect from temperatures below 10°C to prevent stem damage
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Characteristics

  • Leaf: Modified flat, fleshy phylloclades (stem-like leaves) with notched margins; no true leaves
  • Flower: Large, fragrant white to pale pink funnel-shaped blooms opening exclusively at night
  • Stem: Produces aerial roots to anchor to host plants or support structures
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Care Guide

Watering

Keep substrate slightly moist during active growth period

Fertilization

Diluted cactus fertilizer once monthly. Use low-nitrogen, phosphorus-rich diluted fertilizer to support flower production

Composted banana peel tea:Steep fully composted banana peels in water for 24 hours; dilute 1:30 for root drench to promote flowering
Pruning
  • Trim overgrown or leggy phylloclades in early spring to maintain compact shape
  • Remove dead or discolored stems to improve airflow and reduce pest risk
  • Tie climbing stems to a support structure to encourage upward growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic; no adverse effects reported for cats

Humans: No toxic effects reported for human ingestion or contact

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Garden Uses & Culture

Culture: Night-blooming flowers symbolize fleeting beauty and quiet resilience

Usage: Ornamental indoor trailing or climbing plant; cut phylloclades used in tropical floral arrangements