Great Bougainvillea (Bougainvillea spectabilis)

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Sunlight Full sun exposure required for abundant bract production; tolerates partial shade with reduced flowering output

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Watering Water deeply when the top 5–7 cm of soil dries out; drought-tolerant once established to avoid root rot

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Temperature Thrives in 18–30°C; protect from frost below 10°C to prevent leaf and stem damage

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Leaf: Oval, glossy green, 4–13 cm long, opposite arrangement with smooth margins
Bracts: Bright pink, magenta, or white modified leaves surrounding tiny, inconspicuous true flowers
Stem: Thorny woody stems that provide climbing support and structural rigidity

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Watering

Keep soil consistently moist but not waterlogged to support active growth

Fertilization

Diluted balanced liquid fertilizer every 2 weeks. Pause fertilization in winter to avoid stimulating weak new growth

Composted banana peel tea：Steep fully composted banana peels in water for 24 hours, dilute 1:20 for root drench to avoid nutrient burn

Pruning

Prune faded bracts and overgrown stems after flowering to encourage new growth and maintain shape
Trim thorny stems to reduce injury risk in high-traffic outdoor areas
Remove yellowing or damaged leaves to improve airflow and reduce pest attraction
Train climbing vines to trellises or supports to control growth direction

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Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic; no adverse effects from ingestion or contact

Humans: No known toxic compounds; safe for human handling and accidental ingestion

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Culture: Symbolizes tropical vibrancy, passion, and resilience in warm-climate gardening traditions

Usage: Ornamental climbing vine for walls, trellises, and hanging baskets; potted shrub for patio displays