Hymenocallis festalis 'Zwanenburg'
Echinacea purpurea 'JS Stiletto'
Helleborus 'Sifra'
Paeonia rockii 'Bei Ji Guang'
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'