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Black Spot - Fungus will cause a rose bush to defoliate. Shows up as black spots that quickly turn leaves yellow and cause them to fall off. |
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Downey Mildew - Characterized by purple splotches on leaves and stems. Will cause bush to defoliate. |
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Powdery Mildew - Characterized by a white powdery substance that causes leaves to curl and growth to become deformed. |
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Rose Mosaic - Otherwise healthy leaves have a marbled effect of light and dark green. What do I do? (ARTICLE COMING SOON!) |
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Rose Rosette - Deformed bright red canes covered in spongy thorns. What do I do? (ARTICLE COMING SOON!) |
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Anthracnose - Characterized by dark sunken lesions in leaves that will eventually cause the bush to defoliate. |