How to Prune cranesbill 'Anne Thomson'?
No pruning required. Old or dead foliage can be tidied up or cut back in late autumn if needed

cranesbill 'Anne Thomson' · Geranium 'Anne Thomson'
Performs best in sun or light shade in a reasonably fertile, free draining but moisture retentive soil.
No pruning required. Old or dead foliage can be tidied up or cut back in late autumn if needed