Q.Hydrangea Seemannii – Infestation
My plant has some sort of infestation which I can’t pinpoint – some leaves have holes in them, others look dried out. Could you please advise what this could be and what I could do about it? Many thanks in advance 🙂

BushDoctor
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on May 6, 2020
This, actually, looks to be downy mildew. Here is an article that will give you more information and ways to treat it:
https://www.gardeningknowhow.com/plant-problems/disease/downy-mildew.htm
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