Clusters of chubby little deep cobalt blue bells grow on sturdy stems. Hardy and carefree, these fragrant charmers easily spread into thick masses. Plant them anywhere--in sun or shade--for a striking effect reminiscent of Hollands best growing fields. Blooms: Mid Spring Ideal for borders, rock gardens, naturalizing. Unusual flower spikes of rich blue-purple with delicate soft blue tops. Hardy in zones: 3-9. ...