Hardy geranium: 21 of the best hardy geraniums | Gardens Illustrated
Arjan Schepers Vaste Planten - Geranium nodosum 'Clos du Coudray'
Hardy's Plants on Twitter: "GERANIUM nodosum 'Clos du Coudray' .. a fantastic ground cover plant - perfect for a shady spot https://t.co/hgP46nikXt" / Twitter
Geranium nodosum 'Clos du Coudray' - BBC Gardeners World Magazine