campanula rotundifolia

North Atlantic tetraploids of the Campanula rotundifolia complex.

V. The Campanula rotundifolia complex.

The Scottish bluebell (Campanula rotundifolia ) is sometimes called 'the cuckoo's hood', a beautiful image for such an elegant flower.

Harebell (Campanula rotundifolia)

The planting in the Telegraph garden includes carpets of stachys, harebell (Campanula rotundifolia), Viola cornuta (the blue and white forms), and fragrant Matthiola incana.

The Scotts succeeded, too, with hairebell (Campanula rotundifolia), whose pale blue blossoms appear through much of the summer, and the graceful American bluets, or Quaker ladies (Houstonia caerulea).