Campanula lactiflora Campanula lactifloraCommon name(s): Milky BellflowerBlooming time: summerBlooming colors: blue, purple, white, pinkHeight: 20 to 100 cmOrigin: Iran, Caucasus, TurkeyHardiness zone (USDA): Z5 – to -23 °CFamily: CampanulaceaeCampanula lactiflora “Prichard’s Variety”Campanula lactiflora “White Pouff”Related plants:Campanula glomerataCampanula persicifoliaCampanula poscharskyanaCampanula punctataCampanula rapunculoides