Leatherleaf Fern (Rumohra adiantiformis)

Leatherleaf Fern

Rumohra adiantiformis

Its leathery fronds hold deep green calm year-round. Evergreen clumping fern; common name: leatherleaf fern.

Partial sun
2–3/week
Beginner
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Plant Needs

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Sunlight Bright indirect light; tolerates low indoor light conditions; avoid harsh direct sunlight that can scorch fronds
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Watering Keep soil consistently moist but not waterlogged; allow top 1–2 cm of soil to dry slightly between waterings
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Temperature Prefers cool to temperate temperatures; avoid frost and prolonged exposure to temperatures above 28°C
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Characteristics

  • Frond (Leaf): Triangular, pinnately divided, glossy dark green, thick and leathery texture
  • Spores: Round sori on frond undersides, covered by kidney-shaped indusia
  • Rhizome: Short, creeping, covered in brown, scaly bracts
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Care Guide

Watering

Maintain consistent soil moisture; mist fronds occasionally to boost humidity

Fertilization

Diluted balanced liquid feed once monthly. Cease fertilization in autumn and winter when growth slows

Banana peel tea:Steep 1 chopped banana peel in 1 liter of water for 24 hours; strain and use to drench soil; avoid applying directly to fronds
Pruning
  • Remove brown, dead, or damaged fronds at the base to maintain appearance
  • Thin overcrowded clumps in spring to improve airflow and reduce pest risk
  • Trim any yellowing fronds to redirect energy to healthy growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no known toxic compounds

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

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental foliage for indoor displays, floral arrangements, and shaded garden borders