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PlantSnap
Plant Care
Hildmann’s cereus
(Cereus hildmannianus)
Also Known As
Hildmann’s cereus, Tower cactus, Hildmann's cereus, Queen of the night
About This Plant
Cereus hildmannianus is a tall and columnar cactus species that can grow up to 20 feet (6 meters) tall in the wild. It has a green stem with 4-7 ribs, and its flowers are white and fragrant. The plant produces edible fruits that are red and can grow up to 3 inches (7.6 cm) long.
Plant Care Instructions
Outdoor Size Range
Up to 20 feet (6 meters)
Light Requirements
Cereus hildmannianus prefers bright, indirect light, but it can tolerate some direct sunlight. It is best to place it near a sunny window or outside in a partially shaded area.
Humidity Needs
Cereus hildmannianus does not require high humidity levels and can tolerate dry air.
Fertilizing Schedule
Fertilize Cereus hildmannianus once a month during the growing season with a balanced cactus fertilizer.
Pruning Guidelines
Cereus hildmannianus does not require pruning, but you can remove any dead or damaged stems to promote new growth.
Common Pests and Diseases
Common pests for Cereus hildmannianus include mealybugs, spider mites, and scale insects. It can also be susceptible to fungal diseases if overwatered.
Indoor Size Range
6-12 feet (1.8-3.7 meters)
Watering Schedule
Water Cereus hildmannianus deeply once a week during the growing season and reduce watering in the winter. The soil should be allowed to dry out between waterings to prevent root rot.
Temperature Range
Cereus hildmannianus prefers warm temperatures between 60-80°F (15-27°C). It can tolerate cooler temperatures but should be protected from frost.
Growing Season
Cereus hildmannianus grows actively during the spring and summer months.
Growing Difficulty Level
Cereus hildmannianus is a moderately easy plant to grow, but it requires a lot of space due to its large size.
USDA Hardiness Zones
Cereus hildmannianus can be grown in USDA hardiness zones 9-11.
Did You Know?
Cereus hildmannianus is also known as the Queen of the Night due to its fragrant flowers that bloom at night.
