Clematis 'Mrs Cholmondeley' flowers in late spring and again in late summer/early autumn, producing huge mauve-blue flowers that can reach 15cm (6in) across. Looks spectacular trained over an arch and can also be grown in a large container, trained up a trellis or obelisk.
Clematis 'General Sikorski' is a group 2 clematis and should be lightly pruned in early spring and again in early summer.
