Astrantia has developed ugly brown-grey patches on its leaves

Astrantia

Astrantia

Brown patches on the leaves of astrantia

Symptoms

The larvae of the astrantia leaf miner fly are responsible for the brown-grey patches. They feed on the leaves that turning them brown. The problem often occurs around early summer.

Astrantias affected by leaf mining will not die. They will produce flowers.

astrantia bruine vlekken, ziekten /Astrantia leaf miner
Brown patches on the leaves of astrantia

Organic control

What can you do about astrantia leaf miner. Pick off all affected leaves. Also, remove any leaves that fall on the ground.