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Clump-forming perennials, some of which are evergreen, with large umbels of bell- to tubular bell-shaped or trumpet-shaped flowers on erect stems.

Usually blue and often fading to purple with age. Leaves strap-shaped; narrow leaved forms frost hardy, broarder-leaved ones half-hardy. Best in sun and well-drained, moist soil. Protect crowns with a mulch over winter.

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The European Agricultural Fund for Rural Development: Europe investing in rural areas

Plant Centre Development The Rosarium restaurant and new plant house at our Garden Centre in Attleborough, Norfolk were part funded by the European Agricultural Fund for Rural Development and officially opened May 2019