Aconitum napellus (Monkshood): Dark blue hooded flowers over finely divided foliage. This Aconitum flowers early, in late spring/early summer. Height to 1.5m. Hardy. [Collect Only]

Actaea 'Queen of Sheba' (PBR) (Baneberry 'Queen of Sheba' (Previously known as Cimicifuga)): An excellent variety with attractive dark almost black foliage and tall stems of white flowers which hang downwards.Hardy. Up to 1.5m. [Collect Only]

Actaea simplex 'Brunette' (Baneberry 'Brunette' (Previously known as Cimicifuga)): Spires of scented white flowers in late summer over very attractive ferny dark foliage. A superb plant in part shade. Hardy. Up to 1.5m

Agastache rugosa 'Liquorice Blue' (Korean mint 'Liquorice Blue'): Spikes of warm blue lipped flowers from late June onwards. Very attractive to bees. Aromatic foliage. To 1.5m. Hardy in light soils.

Agastache rugosa f.albiflora 'Liquorice White' (Korean mint 'Liquorice White'): Tall, aromatic perennial with spires of tiny white flowers. Aromatic foliage. To 1.5m. Fully hardy in light soils. May self-seed.

Dierama 'Snow Bells' (white angel's fishing rod): Tall, wiry, arching stems with white nodding bells. Grassy foliage. Likes well-drained soil that doesn't dry out. Hardy. Up to 1.5m.

Dierama pulcherrimum (Angel's Fishing Rod): Tall, wiry, arching stems with soft pink nodding bells. Likes well-drained soil that doesn't dry out. Lovely near water or over paths. To 1.5m.

Salvia 'Amistad' PBR (Sage 'Amistad'): Tender perennial deep purple tubular flowers with a dark black calyx. Flowering from early summer to first frosts. Deadhead to prolong flowering. Up to 1.2m. [Collect Only]

Salvia guaranitica 'Black and Blue' (Anise-scented sage 'Black and Blue'): A subshrubby perennial with mid-green leaves. Spikes of rich blue and purple-blue flowers from late summer to late autumn.

Thalictrum 'Splendide' (Rue 'Splendide'): Superb Thalictrum with clouds of purple flowers open for a very long time in late summer. Hardy. Up to 1.5m

Thalictrum delavayi (Chinese meadow rue): Dainty lilac-mauve flowers 2cm in width, with prominent creamy yellow stamens above fern-like bright green leaves. Hardy. Up to 1.5m.

Woodwardia fimbriata (Giant chain fern): Dramatic looking evergreen fern with glossy arching green divided foliage. Needs a sheltered spot in partial shade, Prefers a moist soil. Up to 1.5m