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Hydrangea
Andrew Cronshaw
Posts: 1
What is the cause of the white spores the size of match head's on the hydrangea bark and leaf and is there anything to eradicate the unsightly spores?
0
Posts
Is it scale insects? https://www.rhs.org.uk/advice/profile?PID=557
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.