Plant guide
Courgettes: problems & diagnosis
Cucurbita pepo
Courgettes grow fast and feed heavily, which means problems show up fast too. The classics — white-marked leaves, rotting baby fruit and sudden collapse — each have a clear cause, and some 'problems' (like silvery leaf markings) are completely normal.
Guides coming soon
We’re building out courgettes next. Try the symptom finder on the home page in the meantime.