Bright mauve-blue flowers with distinctive white eyes are produced in profusion in the summer and early autumn. This semi-evergreen perennial is an excellent choice for planting at the edge of a pond, steam, or in the light shade of a woodland garden.
Few plants produce blue flowers, and fewer still produce a purer blue fower than this one does. Called Gentian Sage, this tuberous rooted perennial will come back year after year if given some protection from winter cold. Growing 45-60 cm (18-24in) or more in height, the stems will produce loose...
