Rose diseases

Are your rose bushes dropping most of their leaves?  Most likely your roses are infected with the dreaded Diplocarpon rosea, aka Black Spot.   The spots start small and expand, ultimately turning your rose leaves yellow and then they fall off the bushes.  This leaf loss will weaken your roses.  Preventative fungicides are needed to control this disease, especially if you want to grow Hybrid tea roses. Come to one of our meetings and we will the best ways to control […]

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