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Rose diseases

Learn how to keep your roses healthy and beautiful by preventing and treating common rose diseases. Discover effective strategies and techniques to ensure your roses thrive and bloom.
Easy Garden, Garden And Yard, Winter Injuries, Rose Diseases, Pruning Roses, Cankers, Healing Garden, Rose Care, Urban Agriculture

Source(s): Randy Drinkard Several fungi are capable of causing stem canker and dieback of roses. Symptoms: Cankers begin as spots ranging in color from yellow to purple, depending on the causal fungus. The developing cankers become sunken, forming wrinkled or cracked lesions that are tan to black. Canker margins are ... Read more

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Yellow Leaves On Roses, Hibiscus Leaves, Rose Leaves, Black Leaves, Plant Leaves Turning Yellow, Rose Diseases, Plant Diseases, Rose Plant Care, Rose Care

Black spot is a fungal disease (Diplocarpon rosae) that affects roses. The fungus develops as black spots on the leaves, which eventually cause the leaves to turn yellow and fall off. Not only does it look ugly, but it can also seriously weaken the rose plant. Black spot thrives in cold, humid climates, while extreme summer heat limits the disease.

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