A very nice violet Allium with an umbel of star shaped flowers, height 60-70 cm.
Corydalis 'Korn's Purple'
Sanguisorba 'White Brushes'
Allium giganteum
Hydrangea paniculata 'Bloody Marie'
Iris sibirica 'Colonel Mustard'
Iris variegata var. reginae
Lathraea clandestina
Berberis buxifolia 'Nana'
Ceratostigma willmottianum 'Forest Blue'