Butterfly Pea (Clitoria ternatea)

Butterfly Pea

Clitoria ternatea

Vivid blue blooms flutter like resting butterflies, a cheerful trailing vine. Ornamental flowering perennial; common name: butterfly pea.

Full sun
2–3/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; bright direct sunlight promotes abundant flowering, while partial shade prevents leaf scorch in extreme heat
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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 warm temperatures; protect from frost below 10°C, as cold exposure can damage foliage and blooms
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Characteristics

  • Leaf: Compound pinnate leaves with 5–7 oval, glossy green leaflets
  • Flower: Bright blue (rare white/pink) pea-like blooms, 4–5 cm wide, with a prominent white central patch
  • Stem: Slender, twining stems with small tendrils for climbing support
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Care Guide

Watering

Keep soil consistently moist but not waterlogged to support active growth and flowering

Fertilization

Apply diluted balanced liquid fertilizer every 2 weeks. Avoid over-fertilization, as excessive nutrients can reduce bloom production and cause leaf burn

Banana peel compost tea:Compost banana peels for 2–3 weeks, steep in water for 24 hours, dilute 1:20 with water, and apply as a root drench to avoid leaf burn
Pruning
  • Deadhead spent blooms regularly to encourage continuous flowering throughout the growing season
  • Trim overgrown or tangled stems in early spring to maintain a compact, tidy growth habit
  • Remove yellowing or damaged foliage to improve airflow and reduce the risk of pest infestations
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No known toxic effects for humans

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Garden Uses & Culture

Culture: Symbolizes love and remembrance in some Southeast Asian cultural traditions

Usage: Ornamental climbing/trailing vine; flowers used for natural blue food coloring and herbal tea infusions