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I just applied my first round of Messenger on my roses. After reading some of the posts here I'm really psyched about how awesome this product sounds. I'm interested in hearing about any of my fellow GA gardeners' experience with Messenger, esp. on roses. In the past I've used (oh no!) chemicals on my roses to control black spot, which I really hate doing. I was sort hoping to curtail that and see if the Messenger will solve my rose issues. Or should I do both? I think the spray I've been using for black spot is Rose Pride. I've also tried Neem. Both things help, but do not eliminate black spot. I was thinking I could use just the Messenger alone to see how well it controls black spot, but I'm afraid if it doesn't control it that well, then I've wasted time and then by the time I apply a fungicide or something, it's too late. What is your experience with using Messenger on roses here in the deep, humid, hot south?
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