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PlantSnap
Plant Care
Queen of the night
(Selenicereus grandiflorus grandiflorus)
Also Known As
Queen of the night, Night-blooming cereus, Cereus, Pillar cactus, Selenicereus
About This Plant
Selenicereus grandiflorus grandiflorus is a species of cactus native to Central and South America. The plant has long, green stems that can grow up to 30 feet (9 meters) long and 4 inches (10 cm) in diameter. The stems have aerial roots and are covered in small spines. The plant produces large, fragrant white flowers that bloom at night.
Plant Care Instructions
Outdoor Size Range
10-30 feet (3-9 meters)
Light Requirements
Selenicereus grandiflorus grandiflorus requires bright, indirect light for at least 6 hours per day.
Humidity Needs
The plant prefers a humid environment, but can tolerate average indoor humidity levels.
Fertilizing Schedule
Fertilize the plant once a month during the growing season with a balanced, water-soluble fertilizer.
Pruning Guidelines
Prune the plant in the spring to control its size and shape. Remove any dead or damaged stems.
Common Pests and Diseases
Common pests include spider mites and mealybugs.
Indoor Size Range
4-6 feet (1.2-1.8 meters)
Watering Schedule
Water the plant deeply once a week, allowing the soil to dry out slightly between waterings.
Temperature Range
Selenicereus grandiflorus grandiflorus prefers warm temperatures between 60-80°F (16-27°C).
Growing Season
The plant grows actively in the spring and summer.
Growing Difficulty Level
Selenicereus grandiflorus grandiflorus is moderately difficult to grow.
USDA Hardiness Zones
Selenicereus grandiflorus grandiflorus is not frost-tolerant and should be grown indoors or in USDA hardiness zones 10-12.
Did You Know?
The flowers of Selenicereus grandiflorus grandiflorus only bloom for one night and are pollinated by bats.
