Disease
Powdery mildewWhite powder on courgette and squash leaves
White powdery patches on the leaves, usually from late summer. Plants that are dry at the roots get it worst.
When it shows up: Late summer and autumn
What to do
Water well at the base in dry spells.
Pick off the worst leaves to let air in.
Late in the season it’s normal. Keep harvesting until the plant gives up.
Helps prevent it
Not quite it?
These look similar. Compare the photos.
Crops it affects
Catch it early next time
Bia reminds you when to net, check and protect each crop on your plot, timed for your town. Free for 2 months.
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