Achillea ‘Moonshine’ (yarrow ‘Moonshine’)

Allium azureum (ornamental onion)

Allium carinatum subsp. pulchellum (keeled garlic)

Allium cernuum (nodding wild onion)

Allium christophii (star of Persia)

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

Allium x ‘Big Beauty’ (allium ‘Big Beauty’)

Amorpha canescens (lead plant)

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

Amsonia hubrichtii (threadleaf blue star)