Brazilian Nightshade (Solanum seaforthianum)

Brazilian Nightshade

Solanum seaforthianum

Clusters of starry purple blooms trail elegantly, a cascade of twilight color. Evergreen climbing vine; common name: Brazilian Nightshade.

Partial sun
2–3/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; tolerate mild afternoon shade in hot, arid climates to prevent leaf scorch
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Watering Water deeply when the top 2-3 cm of soil is dry; avoid standing water to prevent root rot
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Temperature Thrives in 18–27°C; protect from frost below 10°C to prevent foliage damage
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Characteristics

  • Leaf: Compound pinnate leaves with 5-9 ovate, glossy green leaflets
  • Flower: Clusters of star-shaped purple blooms with yellow stamens, fragrant in evening
  • Stem: Slender, twining stems with small, sparse prickles
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Care Guide

Watering

Keep soil consistently moist but not waterlogged; increase frequency during hot, dry spells

Fertilization

Diluted balanced liquid fertilizer every 2 weeks. Avoid over-fertilizing to prevent excessive foliage growth at the expense of blooms

Banana peel compost tea:Compost banana peels for 2–3 weeks, steep in water for 24 hours, dilute 1:20 for root drench; avoid applying undiluted compost to prevent root burn
Pruning
  • Trim overgrown stems in early spring to maintain shape and encourage new flowering growth
  • Remove dead or diseased foliage promptly to improve airflow and reduce pest risk
  • Tie trailing stems to trellises or supports to guide climbing growth and prevent tangling
  • Pinch back stem tips to promote bushier growth and increase flower cluster production
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; contains solanine, may cause vomiting, diarrhea, lethargy, and tremors

Humans: Ingestion of leaves or unripe fruits causes gastrointestinal irritation due to solanine content

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental climbing vine for trellises, arbors, or hanging baskets; attracts pollinators like bees and butterflies