Acanthus spinosus (bear’s breeches)

Achillea ‘Moonshine’ (yarrow ‘Moonshine’)

Aconitum fischeri (azure monkshood)

Actaea racemosa (black cohosh)

Actaea simplex ‘James Compton’ ( bugbane ‘James Compton’)

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)