Acanthocereus tetragonus, also known as the fairy castle cactus, is a popular houseplant due to its interesting shape and easy care requirements. Here are some tips to help you care for your Acanthocereus tetragonus:
Light: This cactus prefers bright, indirect light. Place it near a sunny window, but avoid direct sunlight.
Water: Water your cactus once a week in the summer, and once every two weeks in the winter. Allow the soil to dry out completely before watering.
Soil: Use well-draining soil for your Acanthocereus tetragonus, such as cactus or succulent soil.
Temperature: This cactus prefers temperatures between 60-85°F (15-29°C).
Fertilizer: Fertilize your cactus once a month during the growing season with a cactus fertilizer.
Pruning: Prune any dead or damaged stems with sharp, clean scissors.
With these tips, you can keep your Acanthocereus tetragonus happy and healthy for years to come