Height x Spread: 60cm x 50cm
This lactiflora cultivar, sometimes known as Campanula 'Senior' has pale-centred blue bellflowers which sit on tall elegant stems during the summer. The foliage is deep green with a serrated margin.
This plant is perfect for borders in the full sun or part shade. 'Blue Delft' prefers a moist, humus-rich soil with an alkaline to neutral pH.