Blue Star Fern (Phlebodium aureum)

Blue Star Fern

Phlebodium aureum

Its blue-gray fronds unfold like soft starbursts, bringing calm to shaded spaces. Evergreen fern; common name: Blue Star Fern.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright indirect light; avoid direct sunlight which can scorch fronds; tolerates low indoor light conditions
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Watering Water when the top 2–3 cm of soil is dry; avoid overwatering to prevent root rot
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Temperature Thrives at 18–24℃; avoid temperatures below 12℃ to prevent leaf browning and stunted growth
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Characteristics

  • Frond: Blue-gray, leathery, deeply lobed, arching up to 0.9 m long
  • Rhizome: Thick, scaly, creeping along the soil surface
  • Sori: Round, golden-brown spore-producing clusters on undersides of mature fronds
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Care Guide

Watering

Keep soil consistently moist but not waterlogged; mist fronds to boost ambient humidity

Fertilization

Diluted balanced liquid feed once every 6 weeks. Avoid over-fertilizing to prevent leaf tip burn and nutrient buildup in soil

Banana peel compost tea:Fully compost banana peels first, dilute 1:20 with water for root drench; avoid applying directly to foliage to prevent staining
Pruning
  • Trim brown or damaged frond tips with clean scissors to maintain appearance
  • Remove fully yellowed fronds at the base to redirect energy to healthy growth
  • Thin overcrowded rhizomes during spring repotting to improve airflow around the plant
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported toxicity symptoms

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

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental indoor foliage; suitable for hanging baskets and tabletop displays