Geranium tuberosum

Geranium tuberosum, the tuberous-rooted cranesbill, is a species of flowering plant in the family Geraniaceae. It is native to the Mediterranean region, the Caucasus, and western Asia. The Royal Horticultural Society considers it a good plant to attract pollinators, and it is widely available from commercial suppliers. There are a number of cultivars available, including 'Rosie's Mauve' and 'Richard Hobbs'.