The Astrophytum myriostigma tricostatum cactus is slightly frost-hardy
This Crassula succulent plant can grow up to 8 inches tall and spreads outwards as it matures
Keep completely dry in summer and winter
A rare selected strain or cultivar with white flowers and pale creamy spines
Watering needs: Moderate/ drought tolerant
Fairy Castle Cactus - Acanthocereus Tetragonus Monstrose houseplant The Astrophytum myriostigma tricostatum cactusThe fairy castle cactus, known as Acanthocereus tetragonus 'Monstrose', is a unique cactus loved for its unusual, castle like shape. The term monstrose refers to its irregular growth pattern, which makes it different from the standard Acanthocereus tetragonus. This eye catching cactus grows in clusters of tall, branching columns and is also known by several other names, including barbed wire cactus, triangle cactus, fairytale castle cactus, and green