Veronica spicata 'Ulster Dwarf Blue'

Waldsteinia ternata

Achillea millefolium 'Paprika'

Achillea ptarmica 'The Pearl'

Agapanthus africanus 'Albus'

Alchemilla mollis

Allium schoenoprasum

Anemone hupehensis 'Splendens'

Anthemis x hybrida 'Kelwayi'

Aster alpinus 'Albus'

Aster x frikartii 'Mönch'

Bergenia cordifolia 'Purpurea'

Calamintha nepeta

Campanula poscharskyana 'Lisduggan Variety'

Centaurea dealbata

Centaurea montana

Coreopsis verticillata 'Ruby Red'

Coreopsis verticillata 'Zagreb'

Cyrtomium fortunei

Delphinium 'Blue Bird'

Dicentra spectabilis

Digitalis 'Mertonensis'

Digitalis purpurea

Echinacea paradoxa