PERENNIALS & GROUND COVERS
Ideas and Tips

Q: What can I do about black spot on roses? Read tips.

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Q: What can I do about black spot on roses?
A: The best cure is prevention. Choose resistant varieties (Sky's rose list rates the general disease resistance of most of the roses we carry), and use good sanitation to eliminate most of the spores. This means: pruning off the top third of your bushes in the fall; raking up all dead leaves and pruning clippings; and pruning to a nice open shape in the spring to maximize air circulation to your plant.

If further measures are needed, Green Light's Rose Defense is an organic neem-oil based spray that will help against blackspot as well as several other problems. If a chemical control is required, try Immunox for big beautiful bloomers.