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Bee Balm, Jacob Cline
Improvements in bee balms always include an emphasis on ""Powdery Mildew,""a disease that's relatively harmless or at least controllable, but definitely unsightly. Siting ""Bee Balms"" in part sun but away from a North exposure, where the dew takes hours to dry in the morning, helps. So does choosing this very mildew resistant herb with huge red flowers and vigorous growth.