Achillea ‘Moonshine’ (yarrow ‘Moonshine’)

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

Allium atropurpureum (ornamental onion)

Allium caesium (light blue garlic)

Allium carinatum subsp. pulchellum (keeled garlic)

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

Amorpha canescens (lead plant)

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

Amsonia hubrichtii (threadleaf blue star)

Amsonia tabernaemontana var. salicifolia (willow leaf blue star)