Erodium pelargoniiflorum

A woody-based, clump-forming perennial with long-stalked, apple-green, heart-shaped leaves. From July to September, white flowers with the upper two petals spotted with purple are borne in clusters.

Grow in gritty, humus-rich, sharply drained, neutral to acid soil in full sun. It will reach a height and spread of 30cm. Hardy in sheltered positions.