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Award of Garden Merit
Glossy, dark-green leaves and short spikes of light-blue, almost white, flowers.
Perennial with silvery grey leaves and short spikes of raspberry pink flowers.
Stems of opposite pairs of leaves, topped with blue flowers.
Vigorous violet with lots of deep blue-purple flowers with yellow markings.
Vigorous violet with lots of blue-purple flowers.
Deep purple flowers. From the Pyrenees.