Queen of the Night Cactus (Cereus hexagonus)
Queen of the Night
About this plant
Cereus hexagonus, commonly known as Queen of the Night, is a tall, columnar cactus with ribbed, succulent stems. It is famous for its large, fragrant white flowers that bloom at night. This cactus is often grown as an ornamental plant indoors or outdoors in warm climates. It can add a striking architectural element to gardens or homes.
Taxonomy
Higher classification: Order: Caryophyllales
Origin & Distribution
- Native region
- Venezuela, Colombia
- Distribution
- Native to northern South America, especially Venezuela and Colombia; cultivated in warm regions worldwide.
Care
- Suitable locations
- Indoor, Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, West-facing, East-facing
- USDA hardiness zones
- 10-12
- Soil pH
- 6.0-7.5 (slightly acidic to neutral)
- Soil type
- well-draining cactus or succulent mix
Watering. Water deeply but infrequently. Allow soil to dry out completely between waterings. Reduce watering in winter when the plant rests.
Fertilizing. Feed with a balanced cactus fertilizer during the growing season (spring and summer) once a month. Avoid fertilizing in winter when the plant is dormant.
Cereus hexagonus is a cactus that prefers bright sunlight and well-draining soil. It is drought-tolerant and does not need frequent watering. Overwatering can cause root rot, so water only when the soil is dry. It grows moderately fast and requires minimal maintenance.
Propagation
- Propagation methods
- Cuttings, Seeds
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Tall, ribbed green stems with large, fragrant white night-blooming flowers.
Toxicity & Safety
Non-toxic to humans and pets. Safe to keep around children and animals, but avoid contact with spines.
Allergy information
Cereus hexagonus is generally safe and unlikely to cause allergies. However, some people sensitive to cactus spines might experience mild skin irritation if touched. To avoid this, handle the plant carefully and wear gloves when pruning or repotting.
Common problems
Overwatering can lead to root rot and fungal infections. Insufficient light may cause weak, elongated growth. Pests like mealybugs and spider mites can occasionally appear.
Uses
Primarily grown as an ornamental plant for its striking appearance and beautiful night flowers.
Notes
Prune carefully to avoid spine injuries. Repot every 2-3 years to refresh soil and provide room for growth. Protect from frost and cold drafts.