A clump-forming perennial, growing to 60cm tall and 45cm wide. The deeply-divided, hairy, lobed, green leaves turn attractive shades of orange and red in autumn. In summer, saucer-shaped violet-blue flowers, with prominent veins on the petals, are borne in dense clusters and may be followed by a second flush
0.5-1 metres
0.1-0.5 metres
| Season | Stem | Flower | Foliage | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |
Grows best in moderately fertile, well-drained soil in full sun or partial shade, but most soils (unless waterlogged) in either sun or shade are tolerated
Propagate by division between early autumn and early spring or cut back plants after flowering in summer, then divide, replant and water well
Remove flowered stems and old leaves to encourage the production of fresh leaves and flowers. New foliage quickly appears if cut down after flowering
May be damaged by vine weevil larvae, Geranium sawfly larvae, capsid bug, slugs and snails
May be susceptible to downy mildews and powdery mildews
