can i ask.....:)
do you have a gardener?....if so sack him, if not
try derris dust..well that is here in aussie, and you do not water roses from above...always from the root....causes black spot. but then if you over water the roots you can get root rot...this al depends on your temperatures, himidity etc....where (approx) do you live?
(hide) Play a game in real time with an online opponent! For this to be possible, you and your opponent have to select the action "Move and stay here" as default and then reload the page with the F5 key! (TeamBundy) (show all tips)