Acanthocereus tetragonus cv. Fairytale Castle | Fairy Castle Cactus The Fairy Castle Cactus (Acanthocereus tetragonus ‘Fairytale Castle’) is a charming mini cactus with columnar stems that look like castle turrets. The ribbed stems have spines along the edges and range from bright green to darker shades as they grow. This slow-growing plant forms clusters over time, making it perfect for small pots and indoor spaces. Best of all, this cactus produces beautiful white, night-blooming flowers. How to care for your Cactus – Water: Water sparingly and allow to dry out in between watering, especially during Winter Light: Prefers medium light conditions. Humidity: Will thrive in average humidity levels and can tolerate lower levels of humidity. Temperature: Needs average to warm conditions 16-25°C but will be OK down to 10°C for short periods. Other info – Toxic to cats & dogs? Yes
