Campanula takesimana features arched stems of glossy foliage topped with large pendant bell45shaped flowers the pink flushed flowers have a hidden surprise 45 lining each flower are deep maroon freckles this korean bellflower is a hardy perennial very fast growing it will quickly form large clumps in borders preferring a lightly shaded spot it ideal for planting near trees and shrubs where it will cheer up the darker corners of your garden borders it is easy to see why campanulas