Physocarpus opulifolius 'Little Devil'
Hymenocallis festalis 'Zwanenburg'
Echinacea purpurea 'JS Stiletto'
Helleborus 'Sifra'
Potentilla fruticosa 'Mango Tango'
Wisteria formosa 'Issai'
Ophiopogon planiscapus 'Nigrescens'
Iris sibirica 'Colonel Mustard'
Leucojum aestivum 'Bridesmaid'
Hydrangea paniculata 'Limelight'
Diervilla 'Kodiak Black'
Daphne x transatlantica 'Eternal Fragrance'