Black spot disease on roses – Preventing and controlling it
Being a lover of roses myself, I have both rose beds which I inherited with the house, but I also grow them in containers. I’ve had my fair share of experience with dealing with blackspot (Diplocarpon rosae). I have also worked in nurseries for over 20 years so have also been the person who deals with treating roses as I have my spraying licence to spray pesticides and fungicides commercially. Black spot is more about trying to prevent the disease…