How to Prune Geranium rotundifolium?
Cut back or remove old plants after flowering has finished

Geranium rotundifolium · Geranium rotundifolium
Grow in any moderately fertile dry to well drained soil. Full sun or partial shade is best. A native plant found growing in dry turf, the tops of old brick walls and on waste ground
Cut back or remove old plants after flowering has finished