Fungicides for roses
I recently visited RHS at Wisley and asked for advice on dealing with black spot on roses and they recommended Wilt Pruf and Serenade organic fungacide. So far I have been unable to source either in the UK in domestic quantities and wondered if anyone had used these products and if they knew of a UK supplier?
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I think most rose growers just accept that roses will get black spot and live with it.
Clearing fallen rose leaves in autumn an winter will help, but invariably by mid-summer the spots appear.
I grow other plants around my roses that helps disguise black spot
Billericay - Essex
Knowledge is knowing that a tomato is a fruit.
Wisdom is not putting it in a fruit salad.