Asparagus Fern (Asparagus densiflorus)

Asparagus Fern

Asparagus densiflorus

Dense needle-like foliage trails softly like green lace. Evergreen trailing foliage plant; common names: asparagus fern, lace fern.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright indirect light; tolerates partial shade, avoid harsh midday direct sun that can scorch cladodes
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Watering Water when the top 2–3 cm of soil feels dry; avoid overwatering to prevent root rot and fungal growth
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Temperature Thrives in 15–25°C; protect from frost and temperatures below 10°C to prevent leaf browning
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Characteristics

  • Leaf: Modified needle-like cladodes form dense bright green clusters; true leaves are small, scale-like bracts
  • Flower: Tiny, star-shaped white blooms in axillary clusters
  • Stem: Slender, wiry, arching or trailing stems that spread outward
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Care Guide

Watering

Keep soil evenly moist but not waterlogged

Fertilization

Diluted balanced liquid feed every 2 weeks. Avoid over-fertilizing to prevent burnt or yellowed cladodes; stop feeding in winter

Banana peel compost tea:Soak fully composted banana peels in water for 24 hours; dilute 1:20 before applying to soil to avoid nutrient burn
Pruning
  • Trim yellowed or brown cladodes at the base to maintain a tidy appearance
  • Cut back overgrown stems in early spring to encourage compact, dense new growth
  • Remove spent flower clusters to redirect energy to foliage production
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-confirmed toxic; ingestion causes gastrointestinal distress, oral irritation, and contact dermatitis

Humans: Contains calcium oxalate crystals; ingestion causes oral irritation and swelling; prolonged contact may trigger mild skin rash

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental hanging basket plant; ground cover in shaded garden beds