Ageratina altissima 'Chocolate' Ageratum x 'Agbic (Artist® Blue Violet)'
Ageratum x 'Agmontis (Artist® Purple)' Ageratum x 'Agros (Artist® Rose)'
Ageratum x 'Agsantis (Artist® Blue)' Ageratum houstonianum
Ageratum houstonianum 'Bavaria' Ageratum houstonianum 'Blue Danube'
Ageratum houstonianum 'Blue Horizon' Ageratum houstonianum 'Hawaii Blue'
Ageratum houstonianum 'Hawaii White' Ageratum houstonianum 'Leilani Blue'
Ageratum houstonianum 'Purple Fields' Ageratum houstonianum 'Red Sea'
Ageratum houstonianum 'Shell Pink Hawaii' Ageratum houstonianum 'True Blue'
Aglaonema commutatum Aglaonema modestum
Aglaonema nitidum Aglaonema nitidum 'Emerald Beauty'
Aglaonema nitidum 'Emerald Star' Aglaonema nitidum 'Green Lady'
Aglaonema nitidum 'Mary Ann' Aglaonema nitidum 'Queen of Siam'
Aglaonema nitidum 'Rhapsody in Green' Aglaonema nitidum 'Silver Bay'
Aglaonema nitidum 'Silver King' Aglaonema nitidum 'Silver Queen'
Aglaonema pictum Aglaonema romana
Agrimonia repens Agrostemma githago
Agrostis x 'Pennlinks' Ajania pacifica
Ajania pacifica 'Gold & Silver' Ajania pacifica 'Pink Ice'
Ajania pacifica 'Yellow Splash' Ajuga 'Gaiety'
Ajuga 'Royalty' Ajuga 'Tropic King'
Ajuga australis Ajuga genevensis
Ajuga pallisandra Ajuga pyramidalis 'Metallica Crispa'
Ajuga reptans Ajuga reptans 'Alba'
Ajuga reptans 'Atropurpurea' Ajuga reptans 'Binblasca (Black Scallop)'
Ajuga reptans 'Bronze Beauty' Ajuga reptans 'Burgundy Glow'
Ajuga reptans 'Catlin's Giant' Ajuga reptans 'Chocolate Chip'
Ajuga reptans 'Crispa' Ajuga reptans 'Jungle Beauty'
Ajuga reptans 'Metallica' Ajuga reptans 'Pink Surprise'
Ajuga reptans 'Purple Torch' Ajuga reptans 'Purpurea'
Ajuga reptans 'Renick' Ajuga reptans 'Rosea'
Ajuga reptans 'Silver Beauty' Ajuga reptans 'Silver Queen'
Albuca canadensis Albuca spiralis
Alcantarea imperialis Alcea x 'Summer Memories'
Alcea ficifolia Alcea rosea
Alcea rosea 'Chater's Double' Alcea rosea 'Creme de Cassis'
Alcea rosea 'Indian Spring' Alcea rosea 'Nigra'
Alcea rosea 'Peaches 'n' Dreams' Alcea rosea 'Powder Puff'
Alcea rosea 'Queeny Purple' Alcea rosea 'Summer Carnival'
Alcea rosea 'The Watchman' Alcea rugosa
Alchemilla alpina Alchemilla conjuncta
Alchemilla erythropoda Alchemilla mollis
Alchemilla mollis 'Thriller' Alchemilla xanthochlora
Alisma plantago-aquatica Alliaria petiolata