Alstroemeria 'Sweet Laura'

Alstroemeria 'Tessunlight'

Alstroemeria 'Zapriamin'

Alstroemeria ligtu ssp. incarnata

Alstroemeria magnifica ssp. magnifica

Alstroemeria magnifica var. tofoensis

Alternanthera 'Brazilian Hot Pink'

Alternanthera ficoidea 'Party Time'

Alternanthera ficoidea 'Red Thread'

Althaea officinalis

Alyssum tortuosum

Alyssum wulfenianum 'Golden Spring'

Amaranthus 'Opopeo'

Amaranthus caudatus

Amaranthus cruentus 'Autumn Palette'

Amaranthus cruentus 'Fercita Mix'

Amaranthus cruentus 'Oeschberg'

Amaranthus hybridus var. paniculatus 'Coral Fountain'

Amaranthus tricolor 'Molten Fire'

Amelanchier alnifolia 'Obelisk'

Amelanchier alnifolia 'Pembina'

Amelanchier alnifolia 'Regent'