Dumb Cane Leaf Curl. It s no mystery why dumb cane plants are one of the most common houseplants you see for sale at garden centers and big box stores. When this happens it s a good idea to propagate new plants and cut back the overgrowth.
In summer cold drafts from open windows or the air conditioning unit can cause leaves to curl or stems to droop. Dumb cane dieffenbachia spp is a houseplant named for the toxic sap its canelike stems exude when cut or broken. The top foliage can become a new full plant using the air layering technique.
Brown spots yellow leaves on a dumb cane houseplant.
In summer cold drafts from open windows or the air conditioning unit can cause leaves to curl or stems to droop. Dumb cane dieffenbachia spp is a houseplant named for the toxic sap its canelike stems exude when cut or broken. It s no mystery why dumb cane plants are one of the most common houseplants you see for sale at garden centers and big box stores. Pale or scorched dumb cane leaves direct sunlight or very bright light will give the leaves a washed out appearance as the plant tries to naturally shield itself from such harsh conditions.