Forked Sundew (Drosera binata)

Forked Sundew

Drosera binata

Tentacle-tipped leaves glisten like dewy stars, trapping small insects. Carnivorous perennial herb; common name: Forked Sundew.

Full sun
3–4/week
Moderate
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Plant Needs

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Sunlight Requires 6–8 hours of bright direct sunlight daily for optimal trapping efficiency; tolerates partial shade with reduced trapping function
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Watering Use distilled or rainwater to keep soil consistently moist; avoid tap water with high mineral content that can damage sensitive roots
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Temperature Thrives in 15–25°C; tolerates brief frosts down to 5°C if soil is not waterlogged
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Characteristics

  • Leaf: Linear, forked leaves covered in glandular tentacles that secrete sticky, insect-trapping mucilage
  • Flower: Small, five-petaled white blooms on tall, slender stalks rising above foliage
  • Stem: Slender, green flowering stalks emerge from basal rosette; no woody structural tissue
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Care Guide

Watering

Keep soil constantly moist using tray watering to maintain consistent humidity

Fertilization

No regular fertilization; nutrients are obtained from captured insects. Do not apply soil fertilizers, as carnivorous plants are adapted to nutrient-poor substrates

Diluted dechlorinated aquarium water:Dilute 1:10 with rainwater and apply sparingly; avoid overuse to prevent mineral buildup in soil
Pruning
  • Remove dead tentacle leaves and spent flower stalks to maintain a tidy rosette
  • Trim overcrowded foliage to improve air circulation and reduce pest risk
  • Avoid cutting healthy tentacle leaves, as they are essential for nutrient acquisition
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental carnivorous plant for bog gardens and terrariums; natural biological control for small flying insects