Acanthus spinosus (bear’s breeches)

Aconitum henryi ‘Spark’s Variety’ (monkshood ‘Spark’s Variety)

Ageratina altissima (white snakeroot)

Allium aflatunense ‘Purple Sensation’ (purple sensation allium)

Anemone hupehensis var. japonica ‘Splendens’ (Japanese anemone ‘Splendens’)

Anemone nemorosa (wood anemone)

Arisaema triphyllum (Jack-in-the-pulpit)

Aruncus ‘Horatio’ (goatsbeard ‘Horatio’)

Aruncus ‘Misty Lace’ (goatsbeard ‘Misty Lace’)

Aster tataricus ‘Jindai’ (Tatarian aster ‘Jindai’)