'Alva' Peacock Ginger Amaranth, False Globe 'Party Time'
Amaranth, False Globe 'Rubiginosa' Amaranth, False Globe 'Ruby'
Amaranth: erythoflexosa Amaranth: hybrid 'Aurora Summer Poinsettia'
Amaranth: hybrid 'Perfecta' Amaranth: hybrid 'Ritz Rocket'
Amaranth: hybrid 'Towers Mix' Amaranth: hypochondriacus (spp.)
Amaranthus 'Aurora Summer Poinsettia' Amaranthus 'Perfecta'
Amaranthus 'Ritz Rocket' Amaranthus 'Towers Mix'
Amaranthus: erythoflexosa 'Amargcus Dictamnus' Hop Marjoram
Amaryllis (spp.) Amaryllis, Butterfly
Amaryllis, Double Amaryllis, Hardy
Amaryllis: Hippeastrum 'Ruby Meyer' Amaryllis: Hippeastrum 'Safari'
Amauropelta Amazon Blue
Amazon Elephant's Ear (spp.) Amazon Lily
'Amazon Red' Flax 'Ambassador' Garden Canna
'Amber Maiden' Hosta 'Amber Moon' Japanese Tree Peony
'Amber Tiara' Hosta 'Amber Waves' Alumroot: Heuchera
'America' Asiatic Lily American Aloe (spp.)
American Aloe 'Medio' American Aloe Variegated
American Aloe Variegated American Aloe 'White Striped'
American Barrenwort American Boneset
'American Dream' Pink Threadleaf Coreopsis American Germander
American Lotus American Maidenhair Fern (spp.)
American Mandrake American Turk's Cap Lily
American Vetch American Waterlily (spp.)
American Waterlily 'Sulphurea Grandiflora' American Waterwillow
'Amethyst Myst' Alumroot: Heuchera 'Amethystina' Formosa Toad Lily
Amole Amsonia, Willow (spp.)
Anacheilium, The Lines Petal Anceps Bamboo
Anderson's Holly Fern 'Andreana' Waterlily
Andropogon Grass Anemone, Autumn 'Robustissima'
Anemone, Canada Anemone, Chinese (spp.)
Anemone, Chinese 'Alice' Anemone, Crown (spp.)
Anemone, Crown 'Mr. Fokker' Anemone, Crown 'The Bride'
Anemone, Cut-leaf 'Rubra' Anemone, European Wood (spp.)
Anemone, Greek (spp.) Anemone, Hardy Grape Leaf 'Robustissima'
Anemone, Hybrid 'Pamina' Anemone, Hybrid 'Prince Henry'
Anemone, Hybrid 'Whirlwind' Anemone, Narcissus
Anemone, Poppy (spp.) Anemone, Poppy 'Mr. Fokker'
Anemone, Poppy 'The Bride' Anemone, Rue (spp.)
Anemone, Snowdrop (spp.) Anemone, Snowdrop 'Elise Feldman'
Anemone, Virginia Anemone, Wood (spp.)
Anemone: vitifolia