Disporum longistylum 'Green Giant': Elegant woodlander with white-green, pendant flowers and glossy dark evergreen leaves. Bamboo-like form, prefers a shady spot. Hardy. Up to 1.2m. [Collect Only]

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]

Euphorbia characias subsp. wulfenii (Mediterranean spurge): Evergreen perennial with blue-green leaves and vibrant lime-green flowers in early summer. Prefers full sun. Hardy to about -10C, but not for long periods. Up to 1.2m.

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.