These double-flowered 'cranesbills' are absolutely stunning, and thoroughly deserve a prominent place in your borders. Five of the best for colour performance and ease of growing are featured here in this collection. Hardy geraniums - or Cranesbills will return with fresh growth every spring. Enjoy their sumptuous ruffled blooms all summer, then during late autumn, simply cut the dead foliage back to ground level. Height 20-70cm. The varieties included are; 'Plenum Violaceum', 'Double Jewel', 'Birch's Double', 'Plenum Caeruleum' and 'Summer Skies'.