Actinodium cumminghamii Adenanthos cunninghamii
Adenanthos sericeus Adenium obesum
Adenium obesum 'Crimson Star' Adenostoma fasciculatum
Adenostoma fasciculatum 'Black Diamond' Adenostoma sparsifolium
Aesculus glabra var. arguta Aesculus parviflora
Aesculus parviflora f. serotina Afrocarpus usambarensis
Agarista populifolia Agonis flexuosa 'Nana'
Allamanda schottii Alnus maritima
Aloe plicatilis Alstonia constricta
Alyogyne huegeli Alyogyne huegeli 'Santa Cruz'
Alyssum spinosum Ambrosia deltoidea
Amelanchier alnifolia Amelanchier alnifolia 'Regent'
Amelanchier x grandiflora 'Princess Diana' Amelanchier laevis 'Cumulus'
Amelanchier obovalis 'Jennybelle' Amelanchier ovalis 'Pumila'
Amorpha canescens Amorpha fruticosa
Andromeda polifolia 'Blue Ice' Andromeda polifolia 'Grandiflora Compacta'
Angophora cordifolia Angophora hispida
Angophora intermedia Anisacanthus thurberi
Anisodontea capensis Anisodontea x hypomandarum
Anisodontea x hypomandarum 'Tara's Pink' Annona glabra
Aphelandra squarrosa Aralia elata
Aralia elata 'Silver Umbrella' Aralia elata 'Variegata'
Aralia spinosa Arctostaphylos x 'Sunset'
Arctostaphylos 'Greensphere' Arctostaphylos 'John Dourley'
Arctostaphylos 'Monica' Arctostaphylos densiflora
Arctostaphylos densiflora 'Harmony' Arctostaphylos densiflora 'Howard McMinn'
Arctostaphylos densiflora 'Sentinel' Arctostaphylos densiflora 'White Lanterns'
Arctostaphylos diversifolia Arctostaphylos diversifolia var. planifolia
Arctostaphylos edmundsii Arctostaphylos edmundsii var. parvifolia 'Bert Johnson'
Arctostaphylos glandulosa ssp. glandulosa Arctostaphylos glauca
Arctostaphylos hookeri 'Buxifolia' Arctostaphylos hookeri 'Mills'
Arctostaphylos hookeri 'Monterey Carpet' Arctostaphylos hookeri 'Wayside'
Arctostaphylos hookeri ssp. franciscana Arctostaphylos hookeri ssp. hookeri
Arctostaphylos hookeri ssp. montana Arctostaphylos imbricata ssp. imbricata
Arctostaphylos manzanita Arctostaphylos nevadensis 'Chipeta'
Arctostaphylos pajaroensis Arctostaphylos patula
Arctostaphylos pumila Arctostaphylos purissima
Arctostaphylos refugioensis Arctostaphylos x repens
Arctostaphylos stanfordiana Arctostaphylos stanfordiana ssp. bakeri
Arctostaphylos stanfordiana ssp. bakeri 'Louis Edmunds' Arctostaphylos uva-ursi 'Point Reyes'
Arctostaphylos uva-ursi 'Radiant' Arctostaphylos viridissima
Arctostaphylos viscida Arctostaphylos wellsii
Ardisia crenata Ardisia escallonioides
Ardisia japonica Ardisia japonica 'Cherimen'
Ardisia japonica 'Variegata' Aristotelia fruticosa
Aronia arbutifolia Aronia arbutifolia 'Brilliantissima'
Aronia melanocarpa Aronia melanocarpa 'Autumn Magic'
Aronia melanocarpa 'Morton (Iroquois Beauty™)' Aronia melanocarpa 'UCONNAM165 (Low Scape® Mound)'
Aronia melanocarpa 'Viking' Aronia x prunifolia
Artemisia californica Artemisia californica 'Canyon Gray'