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is it possible to make your own winter wash for roses to stop (or at least slow down!) black spot please



I don't know of one, nor anything which might do the job. Best if you just make sure you pick up all leaves and keep the area beneath the bushes clean and clear. Fact is, roses need spraying fortnightly with a systemic fungicide and insecticide from mid April through till September to keep them free of disease and aphids. What with that and the pruning, it makes them high maintenance plants.

21 Oct, 2011


many thanks to you both

22 Oct, 2011

How do I say thanks?

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