Pests & diseases › Rhubarb Gall Midge
Rhubarb Gall Midge
Small midge whose larvae cause raised reddish blisters on rhubarb leaves. Mainly cosmetic damage.
Symptoms
- Small red pimples or blisters on the upper leaf surface
- Slight distortion of the leaf
- Plants otherwise healthy and productive
Lifecycle
One generation per year, late spring.
What to do
- Tolerate it — damage rarely affects yield
- Pick off and bin worst-affected leaves if it bothers you
If it's bad
- None needed
Stop it coming back
- No specific prevention — cosmetic issue only
Crops it goes for
Plan the plot, track every sowing, cook the harvest
Sowing reminders and harvest forecasts for your own frost dates, the Seed Tin, Scan Centre for any label or packet, and the Potty Mouth Garden Club. Free to start.