Darmera peltata (Umbrella plant): Arching sprays of pretty pink flowers in early spring above large ornamental leaves. [Collect Only]

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]

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.

Paeonia officinalis 'Alba Plena' (Peony 'Alba Plena'): Sumptuous, large double white flowers above green foliage in May. A traditional cottage garden plant. May need support. [Collect Only]