daylily said:.
I do spray, sometimes, with Messenger. Only because I bought a lot of it years ago. It helps boost or turn on plant immune system. I don't know if they even make it anymore. Back when rust first started, lots of people tried Messenger and said they still got rust.
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Someone mentioned Messenger someplace else as well. They don't make Messenger any longer but they do make EMPLOY® H&T Plant Health Promoter which is the same thing, just improved and bought by another company.
http://www.gardeningthings.com...
I bought some and tried it and I didn't really see a difference in my plants. Other people swear by it and that it really helps the growth of their daylilies. I may not have seen a difference since I use all the other stuff in the beds and they already grow fast