Euphorbia characias Silver Swan = 'Wilcott' (PBR) (Spurge 'Silver Swan'): A striking, variegated form with blue-green leaves edged in white. Green and white flowering bracts in late Spring.

Euphorbia palustris 'Walenburg's Glorie' (Marsh spurge 'Walenburg's Glorie'): Bright acid green bracts in spring, creating vibrant clumps of flowers. A warmer yellow than the species. Good on moist soils. Hardy. Up to 1m.

Lunaria rediviva (Perennial Honesty): Perennial form of the familiar honesty, with white flowers and elegant pointed seed pods. Fully hardy. Height to 1m.