Acanthus spinosus (bear’s breeches)

Achillea ‘Moonshine’ (yarrow ‘Moonshine’)

Actaea racemosa (black cohosh)

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

Adiantum pedatum (northern maidenhair fern)

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

Ageratina altissima ‘Chocolate’ (white snakeroot ‘Chocolate’)

Allium aflatunense ‘Purple Sensation’ (purple sensation allium)

Allium atropurpureum (ornamental onion)

Allium caesium (light blue garlic)