STOKESIA (Stokes’ aster) Handsome plants which are ideal for the front of a border. Rosettes of long strap-like leaves produce short spikes topped with clusters of cornflower-shaped blooms. Moisture retentive, acid soil. Sun. 60cm (2ft). July-Oct.

laevis Light blue flowers. £4.50 BUY NOW

laevis ‘Mary Gregory’ Primrose yellow flowers, pale green leaves. £4.80 BUY NOW