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

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

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

Allium aflatunense ‘Purple Sensation’ (purple sensation allium)

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

Allium nigrum (black garlic)

Allium sphaerocephalon (drumstick allium)

Amsonia tabernaemontana var. salicifolia (willow leaf blue star)

Andropogon gerardii ‘Blackhawks’ (big bluestem ‘Blackhawks’)

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