Retail nursery specialising in Perennials and Alpines all grown peat-free.
Free flowering, deciduous cultivar which makes a good container plant as well as hardy border subject. Keep moist around flowering time to ensure following year's flowers form well.
Violet blue flowers up to 100cm (40in) from July to August and growing 45cm (18in) wide. Prefers well drained, fertile soil in full sun.