Queen of the Night (Selenicereus grandiflorus)

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Sunlight Bright indirect light; tolerate partial shade; avoid prolonged direct midday sun to prevent stem scorching

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Watering Allow soil to dry completely between waterings; avoid overwatering to prevent root rot

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Temperature Thrives in 18–25°C; protect from temperatures below 10°C to avoid stem damage

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Leaf: Modified into flattened, segmented green stems with small aerial roots for climbing
Flower: Large trumpet-shaped white blooms up to 30 cm wide; sweetly fragrant, opening after dusk
Stem: Succulent, segmented stems with tiny, soft spines along edges

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Watering

Water thoroughly when top 5 cm of soil is completely dry

Fertilization

Diluted cactus fertilizer once monthly. Use low-nitrogen, high-potassium fertilizer to support flowering and succulent health

Banana peel compost tea：Compost banana peels for 2–3 weeks; dilute 1:20 with water for root drench; avoid raw peels to prevent pest infestations

Pruning

Trim overgrown stems to maintain desired shape in early spring before new growth begins
Remove dead or damaged stem segments to improve airflow and reduce disease risk
Tie climbing stems to a support structure to encourage upward growth and prevent tangling

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Warning: this plant may be toxic.

Pets & Humans

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

Humans: No known toxic effects to humans; safe for handling and proximity

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Culture: Symbolizes fleeting beauty and nocturnal mystery due to its short-lived night blooms

Usage: Ornamental vine valued for its rare, fragrant night-blooming flowers