Acanthus spinosus (bear’s breeches)

Aconitum fischeri (azure monkshood)

Actaea racemosa (black cohosh)

Adiantum pedatum (northern maidenhair fern)

Agastache foeniculum (anise hyssop)

Agastache nepetoides (yellow giant hyssop)

Ageratina altissima (white snakeroot)

Allium atropurpureum (ornamental onion)

Allium azureum (ornamental onion)

Allium carinatum subsp. pulchellum (keeled garlic)