The variety London produces large pale blue flowers over a long period from early summer on multi-flowering stems 40-50cm long with up to 5 or 6 flowers on each. A second flush of flowers will be produced in late summer making this a great cut-&-come-again flowers. Growing to a height of 1.5-2m (5-6'); spread 90-100cm (3'-3'3). Suitable for growing in beds, borders or even in a pot on the patio. Supplied in a 7cm pot, plant size 15-25cm.