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Q&As/Diseases and Pests/Rose Plant Diseases

Rose Plant Diseases

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Black Spot

This year we have a lot of ‘black spot’ on the second flush of roses. Is this within the actual rose, or is it just showing in the leaves? I cut them off and don’t allow them near plants, but the next lot also has black spot in some cases. Can you help?

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Scale on Roses

I have 3 roses with bad scale, I have tried every remedy I can think of including natural. What can I use to eliminate this? It has not spread to others, yet. Is moving them the best idea?

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Spraying Roses

Please can you outline a spraying schedule for roses. Each year I’ve used Shield and Super Shield and still the leaves look awful. Do I need to look at a winter clean up? 

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