I planted these in deck railing boxes all was doing beautiful until this week. One of the boxes has a black coffee like stuff on the flowers and leaves and stems. Do you know what it is? Only one planter box Nasturium plant has it. I have never seen anything like it.
I planted these in deck railing boxes all was doing beautiful until this week. One of the boxes has a black coffee like stuff on the flowers and leaves and stems. Do you know what it is? Only one planter box Nasturium plant has it. I have never seen anything like it.