Anthriscus sylvestris 'Ravenswing' (Purple cow parsley): A dark leaved form of the common cow parsley. To 1.5m. Hardy. Tends to be biennial.

Campanula lactiflora (Milky bellflower): Clusters of blue flowers on tall stems in mid-summer. Ideal for filling out borders and adding height. Fills out quite quickly too. To 1.5m. Hardy. [Collect Only]

Campanula lactiflora 'Prichards Variety' (Milky bellflower 'Prichards Variety'): Clusters of warm blue flowers on tall stems in mid-summer. To 1.5m. Hardy. [Collect Only]

Cephalaria gigantea (Giant scabious): Very tall wavy stems topped with large lemon yellow scabious-like flowers.Easy to grow. May need staking or support. Hardy. Up to 2m. [Collect Only]

Fagopyrum dibotrys: Tall statement plant for the back of a border. Airy white flowers in late summer. Heart-shaped leaves. Stems red in autumn. Vigorous. Hardy. Up to 1.5m.

Sanguisorba canadensis (White burnet): Bottle-brush white flowers in late-summer above green pinnate foliage. Very tactile plant. Long flowering. Hardy. Up to 2m [Collect Only]