The mid45blue blooms of clematis 39lasurstern39 have an exotic45appearance and each flower can measure up to 15cm making this hardy climber a great show45stopping addition to gardens both large and small this hardy climber is an early flowering variety blooming first in may and june then again in september the blooms have an exotic appearance being a beautiful blue with creamy white anthers consider growing it together with a pink clematis for dramatic contrast it enjoys