Achillea ‘Moonshine’ (yarrow ‘Moonshine’)

Actaea simplex ‘James Compton’ ( bugbane ‘James Compton’)

Actaea ‘Queen of Sheba’ (bugbane ‘Queen of Sheeba’)

Agastache ‘Blue Fortune’ (giant hyssop ‘Blue Fortune’)

Allium aflatunense ‘Purple Sensation’ (purple sensation allium)

allium lusitanicum ‘Summer Beauty’ (allium ‘Summer Beauty’)

Allium ‘Millenium’ (allium ‘Millenium’)

Allium ‘Windy City’ (allium ‘Windy City’)

Amsonia ‘Blue Ice’ (blue star ‘Blue Ice’)

Anemone blanda ‘Blue Shades’ (Grecian windflower ‘Blue Shades’)