What Is Causing Brown or Black Spots on the Back of the Leaves of My Hibiscus Plants?
Hibiscus moscheutos (Crimsoneyed Rosemallow, Eastern Rose mallow, Hardy Hibiscus, Mallow Rose, Rose Mallow, Swamp Mallow, Swamp Rose, Swamp Rose mallow, Wild Cotton) North Carolina Extension Gardener Plant Toolbox
Hibiscus Plant Care Tips: growing, planting, cutting, pruning Diseases, pests, leaves, seeds