Heartleaf Philodendron (Philodendron cordatum)

Heartleaf Philodendron

Philodendron cordatum

Heart-shaped leaves trail gently, softening indoor spaces. Evergreen trailing foliage plant; common name: Sweetheart Plant.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright indirect light; tolerates low light but exhibits slower growth and smaller leaves
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Watering Water when the top 2–3 cm of soil feels dry; avoid overwatering to prevent root rot
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Temperature Thrives at 18–27℃; avoid temperatures below 12℃ to prevent leaf yellowing and tissue damage
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Characteristics

  • Leaf: Glossy heart-shaped leaves, 5–10 cm long, uniform medium green
  • Stem: Slender, trailing stems with small aerial roots for anchorage
  • Inflorescence: Green spathe enclosing a pale spadix (rarely produced indoors)
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Care Guide

Watering

Keep soil slightly moist; mist foliage occasionally to boost humidity

Fertilization

Diluted balanced liquid feed every 4 weeks. Discontinue fertilization in autumn and winter when growth slows

Composted banana peel tea:Steep fully composted banana peels in water for 24 hours, dilute 1:20, and apply as a root drench to support leaf health
Pruning
  • Trim yellowing or damaged leaves at the base of the stem to maintain plant health
  • Pinch back trailing stem tips to encourage bushier, fuller growth
  • Remove dead aerial roots to reduce clutter and improve plant appearance
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion causes oral irritation, drooling, vomiting, and difficulty swallowing

Humans: Contains calcium oxalate crystals; ingestion irritates mouth and throat; contact may cause mild skin redness

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Garden Uses & Culture

Culture: Symbolizes warmth and nurturing; a popular low-maintenance choice for beginner indoor gardeners

Usage: Ornamental hanging plant, trailing foliage for shelf displays, or climbing accent with support