Purple Sweet Potato Vine (Ipomoea batatas 'Murasaki')

Purple Sweet Potato Vine

Ipomoea batatas 'Murasaki'

Rich purple foliage drapes like velvet, a trailing accent for containers. Ornamental trailing vine; common name: Purple Sweet Potato Vine.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright indirect to partial direct sun; full sun intensifies purple foliage color, while partial shade may dull leaf hue
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Watering Water when the top 2 cm of soil feels dry; avoid overwatering to prevent root rot
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Temperature Thrives in warm temperatures; protect from frost below 10°C, as cold damage causes leaf browning
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Characteristics

  • Leaf: Heart-shaped, glossy deep purple leaves; variable size up to 10 cm wide
  • Stem: Slender, trailing or creeping stems that root at nodes
  • Flower: Funnel-shaped pale pink or white blooms (rare on ornamental cultivars)
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Care Guide

Watering

Keep soil evenly moist; mist foliage occasionally to boost humidity in hot weather

Fertilization

Diluted balanced liquid feed every 2 weeks. Discontinue fertilization in autumn and winter to prevent excessive foliage growth

Banana peel tea:Soak 1 chopped banana peel in 1 L of water for 3 days; dilute the tea 1:2 with fresh water before drenching roots; discard solids to avoid pest infestations
Pruning
  • Trim trailing stems to control length and encourage bushier, more compact growth
  • Remove yellowing or damaged foliage to maintain a tidy appearance and improve airflow
  • Pinch back growing tips in early spring to promote lateral branching and fuller coverage
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported toxic reactions

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

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Garden Uses & Culture

Culture: Symbolizes warmth and abundance; popular for seasonal container displays and hanging basket accents

Usage: Ornamental trailing plant for hanging baskets, ground cover, or container edging; edible tubers produced by some cultivars