Red flowers of the roselle plant, used for making bissap juice. Pays Dogon, Mali Stock Photo Alamy Have you tried growing plants in pure sand? Never heard of it? Never mind, we tried it for you. Not that it would be a self salvation way of gardening, it is another Alpha Pot Large Alpha Planters and Nurseries LLP Croton (Codiaeum variegatum): All You Need To Know What's an Industry Plant? Plus, How to Spot One