Fishbone Cactus

The Fishbone Cactus (Selenicereus anthonyanus) is a fascinating epiphytic cactus belonging to the Cactaceae family. Native to the tropical forests of southern Mexico, it has evolved to grow in the shade of tree canopies, setting it apart from the typical sun-loving desert cacti varieties.

In its natural habitat, the plant grows as an epiphyte, attaching itself to trees. This evolutionary background means the plant thrives in conditions that mimic the humid, dappled light environment of a tropical forest floor, rather than the harsh, arid landscapes usually associated with the cactus family.

Botanically, it is best known for its uniquely lobed, flat, zig-zagging stems that resemble a fish skeleton. These stems can grow quite long, making the plant an excellent candidate for hanging baskets. When mature and given the right environmental triggers, it produces stunning, fragrant white flowers with purple outer petals that bloom primarily at night.

Cultivation requirements focus on mimicry of its native environment. It needs a porous, well-draining potting medium, such as an orchid or cactus mix supplemented with bark or perlite. It should be kept in bright, indirect light; direct sunlight will cause the stems to redden or scorch, while too little light will lead to thin, etiolated growth.

Proper maintenance is essential for longevity. While it is relatively resilient, growers must be vigilant about specific threats. Common issues include:

• Root rot caused by excessive moisture and poor drainage.
• Mealybug infestations hidden in the crevices of the stems.
• Spider mite attacks during periods of low environmental humidity.