Campanula carpatica ( Bressingham White Bellflower )
‘ Bressingham White ’ turn out goodish flowers in livid on hardy short stalk . C. carpatica produces many variants , but all the cultivar are low - growing , rarely more than eight to twelve inches in height , and usually low-down . All the cultivars are cluster or mat forming , put forth dentated leaves , oval or heart - shaped and sending up stem of tubular , upset , lead - forge flowers in shade from deep violet through the blues to whiten ....