Bishop's Cap Cactus is a single-stemmed succulent. It grows in a symmetrical triangular form. The Bishop's caps cactus can be used in indoor gardens or potted plants. They can grow in different sizes, shapes, colors and even partial sunlight exposure. Bishop's cap can grow up to 12 inches tall and can be grown in a garden or pot. It's not going extinct because of its popularity as an ornament in gardens. Many people keep transplanting. Jade plants are also very easy to save. They can be easily grown back even after their leaves have fallen. This cactus grows to three feet tall.