Ageratina altissima (white snakeroot)

Allium aflatunense ‘Purple Sensation’ (purple sensation allium)

Allium atropurpureum (ornamental onion)

Allium carinatum subsp. pulchellum (keeled garlic)

Allium christophii (star of Persia)

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

Allium nigrum (black garlic)

Allium sphaerocephalon (drumstick allium)

Amorpha canescens (lead plant)

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