Hello, I am in my second year of rose growing. When I comes to any other plant I seem to have no trouble but my roses just keep getting black spots then yellowing and falling off. I am kinda at a loss to do I have tried sprays and treatment to the ground. I live in central Tennessee, it is very humid and has been a very wet spring around here. We also have heavy dew in the morning. Any tips out there, Is there a spray I should try or should I prune them back and start a new? Please any help would be greatly appreciated!