Queen of the night

Selenicereus pteranthus, commonly known as the Queen of the night, belongs to the Cactaceae family. This species is an epiphytic cactus that naturally habituates the tropical regions of Mexico and the Caribbean, climbing up trees and clinging to rocks to reach sunlight in the forest canopy.

The plant is defined by its long, sprawling, and ribbed stems that can grow quite extensive under favorable conditions. Its most distinctive characteristic is the magnificent white, nocturnal flower that opens for only a single night, releasing a fragrant scent to attract pollinators like moths in its native habitat.

Cultivation of Selenicereus pteranthus requires a well-draining, nutrient-rich soil mix designed for epiphytic plants. It thrives in high humidity and needs partial shade; intense, direct sunlight can cause sunburn on the delicate skin of the stems. Proper vertical support is essential to prevent the stems from breaking under their own weight.

For optimal growth, the gardener should maintain a warm climate, avoiding temperatures that drop below freezing. During the active growing season, consistent moisture is required, but drainage must be excellent to prevent root rot. As winter approaches, the plant should enter a rest period with reduced watering and lower light levels.

• Use of moss poles or trellises to support the heavy, arching stems.
• Balanced fertilizer application during the blooming season.
• Vigilance against common pests like mealybugs and spider mites.
• Regular cleaning of stems to prevent fungal infections.

Industrially and commercially, this plant is primarily utilized in the ornamental horticulture sector. It is highly sought after by botanical gardens and collectors due to its dramatic blooming cycle and unique aesthetic appeal. While it is rarely grown for food production, its fruits are edible, maintaining the typical characteristics of other related Hylocereeae species.