How to Prune cup and saucer vine?
Routine pruning is unnecessary; shorten overlong shoots to fit the available space. Prune after flowering has finished.

cup and saucer vine · Cobaea scandens
Also known as: cathedral bells; cups and saucers; Mexican ivy; monastery bells
Needs a sheltered, sunny wall or trellis and moist but well-drained soil for the best flowers
Routine pruning is unnecessary; shorten overlong shoots to fit the available space. Prune after flowering has finished.