Heart Fern (Hemionitis arifolia)

Heart Fern

Hemionitis arifolia

Delicate heart-shaped leaves unfurl like tiny green love notes. Evergreen fern; common name: Heart Fern.

Partial sun
2/week
Moderate
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Plant Needs

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Sunlight Bright indirect light; avoid direct midday sun which can scorch tender fronds
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Watering Keep soil consistently moist but not waterlogged; avoid allowing the potting mix to dry out completely
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Temperature Thrives in warm, humid conditions; avoid temperatures below 12°C to prevent frond damage
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Characteristics

  • Leaf: Glossy, solid heart-shaped fronds (2–5 cm long) arranged in dense low clumps
  • Rhizome: Short, creeping rhizome with fine, fuzzy feeder roots
  • Spores: Sporangia form along the margins of mature fronds for reproduction
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Care Guide

Watering

Maintain consistent soil moisture; mist fronds 2–3 times weekly to boost humidity

Fertilization

Diluted balanced liquid feed every 6 weeks. Avoid over-fertilizing, as excess nutrients can cause frond browning

Banana peel tea:Soak 1 peeled banana in 1L of water for 24 hours; dilute the mixture 1:20 before applying as a root drench; discard solid banana residue to prevent odor
Pruning
  • Trim brown, damaged fronds at the base to preserve the plant's neat appearance
  • Thin overcrowded clumps in early spring to improve airflow and reduce fungal risk
  • Remove yellowed fronds to redirect energy to healthy new growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No known toxic effects on humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental indoor foliage plant; commonly used in terrariums