Eryngium ebracteatum var. poterioides: Tall and evergreen with attractive blue-green foliage and wiry stems of red-brown bobble-like flowers, Sanguisorba-like. Hardy. Up to 1.5m. [Collect Only]

Peucedanum verticillare (Giant Hog Fennel): Huge and stately umbellifer with unfolding pinkish stems ultimately opening to a flat, open head of tiny greenish-white flowers

Thalictrum isopyroides: Dainty froth of finely divided fern like flowers topped with sprays of tiny green flowers in summer. A shade lover. To 30cm. Hardy.