Plant Needs
Sunlight
Full sun exposure for optimal growth; tolerate partial shade during extreme midday heat
Watering
Water deeply once every 1–2 weeks; allow soil to fully dry between waterings to prevent root rot
Temperature
Tolerates mild frost down to 5°C; avoid prolonged temperatures below 0°C to prevent stem damage
Characteristics
- Leaf: Modified into sharp, brown spines (1–3 cm long) arranged along vertical stem ribs
- Stem: Columnar, ribbed (12–18 ribs) with chestnut-brown to gray-green skin
- Flower: White, funnel-shaped nocturnal blooms (8–10 cm diameter)
Care Guide
Watering
Water deeply when soil is completely dry; reduce frequency during heatwaves
Fertilization
Diluted low-nitrogen cactus fertilizer once monthly. Use phosphorus-rich fertilizer to support nocturnal flowering
Banana peel compost tea:Compost banana peels for 2–3 months, steep in water for 24 hours, dilute 1:20 for root drench; avoid uncomposted peels to prevent pest infestationsPruning
- Remove dead or damaged stem segments and spines to maintain plant appearance
- Trim offset pups in spring for propagation; allow cut ends to callus before planting
- Prune overcrowded branches to improve airflow and reduce disease risk
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats
Humans: No known toxic effects for humans
Garden Uses & Culture
Culture: N/A
Usage: Ornamental succulent for xeriscaping; cut stems used in dried floral arrangements
PlantFun







