I've had this pair of fairy castle cacti for several years now, and they've done fairly well.
10+ Fairy Castle Cactus Turning Brown. Fairy castle cactus is easy to care for. It is about four inches high, with many little…
Is My Fairy Castle Cereus Tetragonus Salvageable Plantclinic from i.redd.it
Closeup pink fairy castle cactus, acanthocereus tetragonus desert plant with bright blurred background ,macro image and soft focus ,sweet color. It is one of the most commonly sold indoor cacti because of its popularity among beginners. This north american native cactus got its common fairy castle cactus grows very slowly, eventually attaining 6 feet.
Fairy castle cactus grows well on its own roots and will form quite large clumps of several hundreds offsets, if given time and grown properly.
However, i noticed today that they have developed brown patches over most of their stems and a few areas have a sort of crackled look. Different branches are formed over time, which slowly lengthen and produce an interesting silhouette. The discoloration on your cactus is rather uneven. From my research, i think it is a fairy castle cactus.
