Dryopteris wallichiana (Alpine wood fern): A deciduous fern with hairy stems and green upright shuttlecock-like foliage. Shade-loving. Hardy. Up to 1m. [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. [Collect Only]

Euphorbia mellifera (Honey spurge): A stately plant which makes a dramatic feature in sheltered spots.