August 21, 2014

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Prevent Rose Disease

Spectacular blooms and diverse types and varieties make roses a favorite of many Kentucky gardeners.  However, warm, humid growing conditions create an ideal environment for serious problems each year with black spot and powdery mildew.

Gardeners can nip these fungal diseases in the bud by planting resistant or tolerant varieties and creating an unfavorable environment for disease development. It may be necessary to use fungicides throughout the summer, especially on susceptible varieties.