I raked up my spotted rose leaves and tipped the lot on the compost heap just to save the green bin: the following June, what came back on the same bush wasn’t only the leaves
Tossing infected rose leaves onto the compost heap feels like an eco-friendly shortcut—but it’s actually a guaranteed delivery system for black spot fungus. Learn why home compost won’t kill the spores and what gardeners should do instead to break the infection cycle.