Snail Vine (Cochliasanthus caracalla)

Snail Vine

Cochliasanthus caracalla

Its spiral blooms curl like snail shells, a whimsical garden treasure. Deciduous climbing vine; common names: snail vine, corkscrew vine.

Full sun
2–3/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; bright direct sunlight promotes abundant blooming
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Watering Water deeply when the top 2 cm of soil dries out; avoid standing water to prevent root rot
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Temperature Tolerates mild frost down to 10°C; protect from hard freezes below 5°C
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Characteristics

  • Leaf: Compound pinnate leaves with 3 glossy ovate leaflets, 5–10 cm long
  • Flower: Fragrant spiral blooms, cream to purple-brown, curled like snail shells
  • Stem: Slender woody vine with tendrils for climbing support
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Care Guide

Watering

Keep soil consistently moist; apply mulch to retain moisture

Fertilization

Balanced diluted feed every 2 weeks. Use phosphorus-rich fertilizer to support flower bud development

Banana peel compost tea:Compost banana peels for 2–3 weeks, steep in water, dilute 1:20 for root drench to boost blooming
Pruning
  • Prune dead or damaged growth in early spring to stimulate new climbing shoots
  • Trim overgrown vines to maintain desired shape and prevent overcrowding
  • Remove spent blooms to encourage continuous flowering throughout the season
  • Cut back to 1–2 m in late winter in cooler regions to protect from frost damage
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic; no harmful effects for cats

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

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Garden Uses & Culture

Culture: Symbolizes whimsy and unique natural beauty in garden design

Usage: Ornamental climbing vine for trellises, arbors, and fence coverings