Abelia

Abelia × 'Edward Goucher' (Edward Goucher Abelia)
Abelia × grandiflora (Glossy Abelia)
Abelia × grandiflora 'Francis Mason' (Francis Mason Glossy Abelia)
Abelia × grandiflora 'Kaleidoscope' (Kaleidoscope Glossy Abelia)
Abelia × grandiflora 'Sunrise' (Sunrise Glossy Abelia)

Acer

Acer capillipes (Red Stripebark Maple )
Acer carpinifolium (Hornbeam Maple)
Acer davidii (David Maple )
Acer henryi (Henry's Maple)
Acer sempervirens (Cretan Maple)

Actinidia

Actinidia kolomikta (Kolomikta Actinidia )

Aesculus

Aesculus californica (California Buckeye )
Aesculus × carnea (Red Flowering Horsechestnut)
Aesculus × carnea 'O'Neill Red' (O'Neill Red Horsechestnut )
Aesculus chinensis (Chinese Horsechestnut)
Aesculus flava (Yellow Buckeye )
Aesculus glabra (Ohio Buckeye )
Aesculus glabra var. arguta (Texas Buckeye )
Aesculus hippocastanum (Horsechestnut)
Aesculus hippocastanum 'Baumannii' (Double Horsechestnut )
Aesculus parviflora (Bottlebrush Buckeye)
Aesculus pavia (Red Buckeye)
Aesculus pavia 'Humilis' (Dwarf Red Buckeye)
Aesculus sylvatica (Painted Buckeye )

Agave

Agave colorata (Mescal Ceniza )
Agave macroacantha (Black-spinned Agave)
Agave parryi (Parry's Agave)
Agave shawii (Shaw's Agave)

Alnus

Alnus alnobetula (Circumpolar alder group )
Alnus alnobetula subsp. sinuata (Sitka Alder )
Alnus alnobetula subsp. crispa (American Green Alder)
Alnus cordata (Italian Alder)
Alnus glutinosa (Common Alder )
Alnus incana subsp. rugosa (Speckled Alder )
Alnus incana subsp. tenuifolia (Thinleaf Alder )
Alnus japonica (Japanese Alder)
Alnus rhombifolia (White Alder)
Alnus rubra (Red Alder )

Amelanchier

Amelanchier alnifolia (Western Serviceberry )
Amelanchier alnifolia 'Regent' (Regent Serviceberry )
Amelanchier canadensis (Shadblow )
Amelanchier × grandiflora (Apple Serviceberry)
Amelanchier × grandiflora Autumn Brilliance® (Autumn Brilliance Serviceberry)
Amelanchier × grandiflora 'Forest Prince' (Forest Prince Serviceberry)
Amelanchier laevis (Allegheny Serviceberry )

Amorpha

Amorpha nana (Dwarf Wild Indigo )

Aralia

Aralia elata (Angelica Tree )
Aralia elata 'Variegata' (Variegated Angelica Tree)

Arbutus

Arbutus unedo (Strawberry Tree )

Arctostaphylos

Arctostaphylos andersonii (Santa Cruz Manzanita )
Arctostaphylos insularis (Island Manzanita)
Arctostaphylos montaraensis (Montara Manzanita)
Arctostaphylos pajaroensis (Pajaro Manzanita)
Arctostaphylos pajaroensis 'Bretts Beauty' (Brett's Beauty Manzanita)
Arctostaphylos refugioensis (Refugio Manzanita)
Arctostaphylos tomentosa (Wolly Manzanita )
Arctostaphylos viridissima 'White Cloud' (White Cloud McMinn's Manzanita )

Ardisia

Ardisia japonica (Japanese Ardisia )

Aronia

Aronia arbutifolia (Red Chokeberry)
Aronia arbutifolia 'Brilliantissima' (Brilliant Red Chokeberry)
Aronia melanocarpa (Black Chokeberry)

Atriplex

Atriplex hymenelytra (Desert Holly)

Aucuba

Aucuba japonica (Japanese Aucuba )
Aucuba japonica 'Mr. Goldstrike' (Mr. Goldstrike Aucuba)
Aucuba japonica 'Picturata' (Picturata Aucuba)
Aucuba japonica 'Variegata' (Gold Dust Plant )

Azadirachta

Azadirachta indica (Neem )

Azara

Azara microphylla (Boxleaf Azara)
Azara microphylla 'Variegata' (Variegated Boxleaf Azara)

Baccharis

Baccharis pilularis (Coyote Bush )

Berberis

Berberis buxifolia 'Nana' (Dwarf Magellan Barberry )
Berberis × gladwynensis 'William Penn' (William Penn Barberry)
Berberis jamesiana (James Barberry)
Berberis julianae (Wintergreen Barberry)
Berberis pruinosa (Pruinosa Barberry)
Berberis replicata (Evergreen Barberry)
Berberis × stenophylla 'Nana' (Dwarf Rosemary Barberry)
Berberis triacanthophora (Threespine Barberry )
Berberis verruculosa (Warty Barberry)

Betula

Betula alleghaniensis (Yellow Birch)
Betula davurica (Asian Black Birch )
Betula glandulosa (Dwarf Birch )
Betula lenta (Sweet Birch )
Betula maximowicziana (Monarch Birch)
Betula nana (Dwarf Birch )
Betula nigra (River Birch)
Betula nigra Fox Valley™ (Fox Valley River Birch)
Betula nigra Heritage™ (Heritage River Birch)
Betula occidentalis (Water Birch )
Betula papyrifera (Paperbark Birch )
Betula pendula (European White Birch )
Betula pendula 'Purpurea' (Purple European Birch)
Betula pendula 'Youngii' (Young's Weeping Birch)
Betula platyphylla (Asian White Birch )
Betula platyphylla Dakota Pinnacle® (Dakota Pinnacle Asian White Birch )
Betula populifolia (Gray Birch )
Betula populifolia 'Whitespire Senior' (Whitespire Senior Gray Birch)
Betula pubescens (Downy Birch)
Betula utilis (Himalayan Birch)
Betula utilis var. albosinensis (Chinese Paper Birch, )