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Lorraine Ballato

Writer, Speaker, Horticulturist, Photographer and Confirmed Plantaholic

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Hydrangea Leaf Spots

HYDRANGEA LEAF SPOTS

By Lorraine Ballato | September 21, 2021 | 0
Big leaf hydrangea Let's Dance® Rhythmic Blue®

I am getting a lot of questions these days about hydrangea leaf spots and unsightly foliage. In most cases, the spots are from an infection by Xanthomonas campestris, or Cercospora which grows from the pathogen Cercospora hydrangeae. I’m also seeing powdery mildew on many other plants, like veggies and perennials that also blemish hydrangeas. You…

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