Dracunculus vulgaris
Crocus sieberi 'Tricolor'
Paeonia mascula
Primula marginata 'Drake's Blue'
Cardiocrinum giganteum
Clematis 'Blue Angel'
Hydrangea macrophylla 'Princess Diana'
Schizachyrium scoparium 'Blue Heaven'
Cornus alba 'Red Gnome'
