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What is causing grey mould to appear on the leaves of my Phlox planrs and why?

richardm

By Richardm

United Kingdom

What is causing grey mould to appear on the leaves of my Phlox plants and why?


On plant phlox paniculata

  • Question asked on 4 Jul, 2011

Answers

bamboo
Bamboo
 

Powdery mildew most likely - spray with an appropriate fungicide. Worse in dry, hot conditions.

4 Jul, 2011

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