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Aptly named blackspot is a fungus that causes dark spotting on rose leaves and stems. Eventually, leaves turn yellow and drop off before autumn. Spores overwinter on the fallen leaves and re-infect the plant in spring when new foliage appears

spraying with thiacloprid insecticide, but there's no guarantee that it'll reach the well-protected larvae tucked up inside the leaf tubes. rosesspring, summerCommon problems affecting rosesRose blackspotRose rustRose powdery mildew Rose bloom balling

mould may develop and cause the stems to die back. If this happens, prune back shoots to healthy growth.rosessummerMore common problems affecting rosesPreventing rose blackspotDealing with rose rustTreating rose powdery mildewRemoving rose leaf rolling

affect other plantsspring, summerDealing with other problems affecting rosesPreventing rose bloom ballingDealing with rose rustTreating rose blackspotRemoving rose leaf rolling sawfly

on rose careDealing with rose blackspotTreating rose powdery mildewTaking rose cuttingsPruning a rose bush