This week

Common name: Hop A herbaceous perennial climber with green, deeply lobed leaves that lighten in colour as they mature. Green then straw-coloured flower spikes in summer from July to August. Average height 15ft+ Full sun. Hardy.

A herbaceous, clump-forming perennial with strap-like leaves.  It produces larger than average blue and white bi-colour flowers from July to October. Average height 3ft.  Full sun Hardy - mulch in winter

Common name: Lupin A clump-forming perennial with delicately lobed leaves It produces racemes of flowers in early summer that comes in red, blue, pink, yellow or white Average height 1.5-2ft Full sun

1 plant in a 3 litre pot Common name: African lily A clump-forming, evergreen perennial with strappy green leaves. It produces clusters of trumpet-shaped pale blue  flowers on upright stems throughout late summer Average height 2-3ft.  Full sun They like...

Common name: African lily A perennial with long deep green leaves. Strong upright stems are  topped with elegant heads of funnel-shaped white flowers with a touch of soft grey-blue from July to August Average height 3ft, spread 1.5ft Full sun Hardy (may...