This guide will help you recognize the signs that your succulents have gone dormant or are dying. This guide will help you learn more. It can be challenging to drill holes into wood with a spadebit. For more help, see this article. While some flowers bloom in the evening, succulents will open their buds at night. Cephalocereus is a species that produces white, yellow or red flowers. They produce white, star-shaped flowers. There are ways to protect the plant from frost or freezing temperatures outdoors if you can't bring it in for the winter.