'Amethyst Myst' Alumroot: Heuchera 'Amethyst™' Snowberry
Amur Choke Cherry Amur Peppervine (spp.)
Anacahuita Ana-tree
'Andelyensis' Atlantic White Cedar Anderson Wolfberry
Anderson's Desert Thorn Andropogon Grass
Angel Flower 'AngelMist™ Purple Stripe' Angelica Tree (spp.)
Angelica Tree Variegated Angelica Tree, American
Angelica Tree, Japanese (spp.) Angelica Tree, Japanese Variegated
'AngelMist™ Purple Stripe' Summer Snapdragon Angel's Trumpet, Red
Anise Anise Hyssop 'Golden Jubilee'
Anise Mint 'Golden Jubilee' Anise Tree, Japanese
Anise, Florida (spp.) Anise, Japanese Star
Anise, Purple (spp.) Anise, Star (spp.)
Anise: floridanum alba, Purple 'Anja' Arend's Phlox
'Ann Rutledge' Sugar Maple Annual Coreopsis (spp.)
Annual Coreopsis 'Mardi Gras' Annual Ragweed
Antwerp Hollyhock 'Anzac' Daylily
Ape (spp.) 'Appalachia' Eastern Redbud
Apple Hawthorn Apple Pear
Apple Serviceberry (spp.) Apple Serviceberry 'Autumn Brilliance'
Apple Serviceberry 'Cole's Select' Apple Serviceberry 'Princess Diana'
Apple Serviceberry 'Robin Hill' Apple Tree
Apple, Common Apple-tree
'Apricot Nectar' Rose Apricot (spp.)
Apricot 'Harcot' Apricot 'Sweetheart™'
Apricot, Japanese Flowering (spp.) Apricot, Japanese Flowering 'Rosebud'
Apricot, Japanese Flowering 'Rosemary Clarke' Aralia, Japanese