White Bryony (Bryonia dioica)

White Bryony

Bryonia dioica

Vining tendrils cling tightly, bearing clusters of tiny green blooms. Deciduous climbing vine; common name: white bryony.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Prefers full sun to partial shade; tolerates dappled woodland light; avoid prolonged midday sun in hot climates
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Watering Water deeply when the top 2–3 cm of soil is dry; avoid waterlogging to prevent root rot
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Temperature Hardy to -5°C; thrives in cool temperate conditions; protect from extreme heat above 30°C
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Characteristics

  • Leaf: Palmate, 5-lobed leaves with serrated margins; bright green, rough texture
  • Flower: Small, greenish-white, star-shaped blooms in axillary clusters
  • Fruit: Round, bright red, toxic berries
  • Stem: Slender, hairy stems with coiling tendrils for climbing support
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Care Guide

Watering

Keep soil consistently moist but not waterlogged

Fertilization

Diluted balanced feed every 2 weeks. Avoid over-fertilizing to prevent excessive foliage growth that reduces bloom production

Composted banana peel tea:Steep fully composted banana peels in water for 3 days; dilute 1:20 for root drench; discard solids to avoid pest infestations
Pruning
  • Trim back dead or damaged vines in late winter to stimulate new spring growth
  • Cut back overgrown stems to maintain desired shape and prevent overcrowding of supporting structures
  • Remove all ripe berries promptly to eliminate accidental ingestion risks for pets and children
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion causes vomiting, diarrhea, abdominal pain, and tremors

Humans: Contains bryonin glycosides; ingestion causes severe gastrointestinal irritation, may affect the nervous system in large doses

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Garden Uses & Culture

Culture: N/A

Usage: N/A