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 'Loddon Anna' (Milky bellflower 'Loddon Anna'): Tall stems topped with clusters of palest pink flowers in mid-summer. Excellent for filling out a border and adding height. To 1.5m. Hardy.

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

Centaurea macrocephala (Giant knapweed): Huge, bright yellow almost fluffy flowers in mid-summer follow attractive papery buds. Attractive to bees. Height to 1.5m. Hardy.

Ligularia przewalskii: Elegant spikes of golden yellow flowers on black stems above very deeply divided green foliage. [Collect Only]

Valeriana officinalis (Common valerian): Tall perennial with branched stems of tiny, soft white/pale pink flowers in early summer. Ferny, foliage. Hardy. Up to 1.2m. [Collect Only]