American or African Marigold
American Sweet Gum
American Sycamore
Amethyst Mist Coral Bells
Amur Maple
Ann Folkard Cranesbill
Ann Folkard Geranium
Annual Phlox
Annual Strawflower, Everlasting
Anthony Waterer Spirea
Apache Plume
Aphelandra
Apple Blossom Moss Phlox
Apple Blossom Penstemon
Apricot Mallow
Aptos Blue Coast Redwood
Arcadia Juniper
Arctotis Daisy, African Daisy
Arizona Ash
Arizona or Flattop Buckwheat