Plant Spotlight: Farina Not quite dust and definitely not something to wipe away. That pale, powdery layer you see on certain succulents is called farina. It's a natural wax coating that A Comprehensive Guide to Growing Greenovia Dodrantalis, the "Mountain Rose" Succulent THE NEXT GARDENER Thenextgardener Extrafloral Nectaries on Aroids: A Guide for Plant Collector Plant Circle Scientists have created rechargeable, multicolored, glow in the dark succulent plants CNN