Attractive perennial with blue/green foliage that is similar in appearance to a Columbine. Light purple/pink flowers with contrasting yellow stamens in mid to late summer. Fairly tolerant, but may need some support in exposed areas.
Columnar deciduous tree with peeling brown bark. Papery leaflets are red/pink when young, turning yellow in autumn. Aromatic leaves and small fragrant white flowers midsummer.
A recently introduced New England variety with rich purple flowers, contrasting with the grey green leaves. 45 x 45 cm. Easy to grow in full sun or light shade.