Campanula cochlearifolia 'Tubby' Fat little dangling bells in summer, mid-blue. £2.60 A very nice form of the popular 'Fairy Thimbles' with mid-blue flowers produced for much of the summer. The little bells are fatter (or tubbier) than normal. Creeps slowly, is always neat and tidy and is easily grown. Looks good in a stone trough where it will run gently around the edges but it's robust enough to do well on a rockery. About 7cm (3") high.