Retail nursery specialising in Perennials and Alpines all grown peat-free.
This German selection has a nice compact habit. Trim back spent flower stems to promote a second flush. Good with Potentilla 'Ron McBeath' at the front of a sunny border.
Larger pot size
Award of Garden Merit from The RHS
Purple blue flowers up to 45cm (18in) from June to September and growing 45cm (18in) wide. Prefers well drained soil in full sun.