This week

Common name: Hattie's Pincushion Clump-forming perennial with lobed green leaves. It produces attractive red flowers in June. Average height 2ft.  Full sun or partial shade. Hardy.

Common name: White Nile Lily A beautiful, evergreen agapanthus with large round heads of pure white flowers from July to September.  Drought tolerant. Average height 3ft, average spread 1.5ft. Full sun. Not fully hardy, mulch deeply in autumn...

Compact perennial with mid-green toothed leaves divided into three lobes. White singlel, then semi-double flowers with a lilac-blue reverse and a golden yellow centre are held above branched stems, from summer to autumn. Average height 1-1.5ft Full sun...