Autumn Anemone 'Robustissima' 'Autumn Beauty' Evergreen Candytuft
'Autumn Bride' Hairy Alumroot 'Autumn Colors' Black-eyed Susan
Autumn Crocus (spp.) Autumn Crocus 'Waterlily'
Autumn Crocus: speciosum (spp.) Autumn Crocus: speciosum 'The Giant'
Autumn Fern 'Autumn Forest' Black-eyed Susan
'Autumn Light' Maiden Grass Autumn Lycoris
Autumn Moor Grass Autumn Sage (spp.)
Autumn Sage 'Moonlight' Autumn Sage 'Purple'
Autumn Snakeroot 'White Pearl' Autumn Snowflake 'Oporanthum'
Autumn Sun 'Herbstsonne' Autumn Zephyr Lily
Avalanche Lily Avens 'Borisii'
Avens, Creeping Avens, Drooping (spp.)
Avens, Purple Avens, Water (spp.)
Avens: heldreichiihybrid (spp.) Avens: heldreichiihybrid 'Georgenberg'
'Axminster Gold' Russian Comfrey Azorella Dwarf
Aztec Column 'Aztec Gold' Creeping Zinnia
'Aztec Gold' Prostrate Speedwell Aztec Lily 'Superba'
'Aztec' Martha Washington Geranium 'Aztec Pink Bicolor' Carnation: Dianthus
'Aztec® Red Velvet' Bedding Verbena 'Aztec® Violet' Bedding Verbena
Azuma-zasa Azure Bluet
'Azure Fairy' Fleabane Azure Sage (spp.)
Azure Sage 'Blue Spire' Azure Sage 'Filagran'
Azure Sage 'Little Spire' Azure Sage 'Longin'
Babiana, Rat's Tail Baboon Flower
Baboon Flower: stricta Baboon Flower: tubulosa
Baboon Root Baboon Root: tubulosa
'Baby Cole' Blanket Flower: grandiflorahybrid 'Baby Doll' Sacred Lotus
Baby Echeveria Baby Echeveria: derenbergii
Baby Jade (spp.) Baby Jade Variegated
Baby Primrose Baby Rubber Plant (spp.)
Baby Rubber Plant Variegated Baby Sage 'Pink Blush'
'Baby Sister' Siberian Iris 'Baby Sun' Lanceleaf Tickseed
Baby Sunrose (spp.) Baby Sunrose 'Red Apple'
Baby Toes Baby's Breath 'Rose Schonheir'
Baby's Breath (spp.) Baby's Breath 'Bristol Fairy'
Baby's Breath 'Compacta Plena' Baby's Breath 'Festival'
Baby's Breath 'Festival Star Baby's Breath' Baby's Breath 'Happy Festival'
Baby's Breath 'Perfecta' Baby's Breath 'Pink Fairy'
Baby's Breath, Creeping 'Rosea' Baby's Breath: cerastioides
Babytears, English 'Bacchanal' Western Bleeding Heart
Bachelors' Button 'John Coutts' Bachelors' Button (spp.)
Bachelors' Button 'Rose' Bachelors' Button: macrocephala
Bacopa 'Abunda White Improved' Bacopa 'Giant Snowflake'
Bad River Blue Grama Grass Bahama Grass 'Austrailia'
Bahama Grass 'Santa Ana' 'Baja' Daylily
Baja Ruellia Balkan Bear's Breeches