tag:blogger.com,1999:blog-7183397334789656656.post7370620810281516161..comments2009-04-12T07:01:04.990-07:00Craig Justicehttp://www.blogger.com/profile/17991879972329160420noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-7183397334789656656.post-50545025217017102582009-04-12T07:01:00.000-07:002009-04-12T07:01:00.000-07:00This year (in February) we sprayed with a combination of dormant spray (lime sulphur) and oil right after pruning. I've decided to go ahead and apply a spray of sulphur & copper this Spring (in April) just to make sure. We haven't had a problem yet, but why start one? There's defintely powdery mildew on our roses.Craig Justicehttp://www.blogger.com/profile/17991879972329160420noreply@blogger.com