How to Prune Geranium pratense 'Kaya'?
No pruning required. Remove flowered stems and old leaves to encourage the production of fresh leaves and flowers

Geranium pratense 'Kaya' · Geranium pratense 'Kaya'
Grow in moderately fertile, well-drained soil in sun or partial shade
No pruning required. Remove flowered stems and old leaves to encourage the production of fresh leaves and flowers