Helleborus foetidus 'Miss Jekyll'
Hamamelis x intermedia 'Arnold Promise'
Cotinus coggygria 'Royal Purple'
Agapanthus 'Flowers of Love'
Dahlia 'Japlou'
Geranium phaeum 'Joseph Green'
Phlox douglasii 'Boranovice'
Polemonium 'Bressingham Purple'
Arbutus unedo 'Atlantic'
Ceanothus pallidus 'Marie Bleu'
Hypericum kalmianum 'Blue Velvet'
Ceratostigma willmottianum 'Forest Blue'
