Ailanthus

Ailanthus altissima (Tree of Heaven )

Alnus

Alnus cordata (Italian Alder)
Alnus glutinosa (Common Alder )
Alnus glutinosa 'Laciniata' (Cutleaf Alder )
Alnus incana subsp. rugosa (Speckled Alder )
Alnus japonica (Japanese Alder)

Amelanchier

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 )

Ampelopsis

Ampelopsis brevipedunculata (Porcelain Berry )

Aralia

Aralia elata (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)

Azadirachta

Azadirachta indica (Neem )

Azara

Azara microphylla (Boxleaf Azara)

Berberis

Berberis buxifolia 'Nana' (Dwarf Magellan Barberry )
Berberis darwinii (Darwin Barberry)
Berberis fremontii (Fremont Barberry )
Berberis × gladwynensis 'William Penn' (William Penn Barberry)
Berberis julianae (Wintergreen Barberry)
Berberis × mentorensis (Mentor 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 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 pendula (European White Birch )
Betula pendula 'Laciniata' (Cutleaf 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, )
Betula utilis var. jacquemontii (Whitebarked Himalayan Birch)

Brachyglottis

Brachyglottis greyi (Daisy Bush)

Camellia

Camellia japonica (Japanese Camellia)
Camellia sasanqua (Sasanqua Camellia)

Carpinus

Carpinus betulus (European Hornbeam)
Carpinus betulus Emerald Avenue® (Emerald Avenue European Hornbeam)
Carpinus betulus 'Fastigiata' (Pyramidal European Hornbeam)
Carpinus caroliniana (American Hornbeam)
Carpinus coreana (Korean Hornbeam)
Carpinus fangiana (Monkey Tail Hornbeam)
Carpinus japonica (Japanese Hornbeam)
Carpinus orientalis (Oriental Hornbeam)

Carya

Carya illinoinensis (Pecan)
Carya laciniosa (Shellbark Hickory)
Carya ovata (Shagbark Hickory)

Castanea

Castanea dentata (American Chestnut)
Castanea mollissima (Chinese Chestnut)
Castanea sativa (European Chestnut )

Ceanothus

Ceanothus × delilianus 'Henri Desfosse' (Henri Desfosse Ceanothus)
Ceanothus griseus var. horizontalis (Carmel Creeper Ceanothus)
Ceanothus griseus var. horizontalis 'Yankee Point' (Yankee Point Ceanothus)

Ceiba

Ceiba speciosa (Floss Silk Tree)

Celastrus

Celastrus scandens (American Bittersweet )

Celtis

Celtis occidentalis (Common Hackberry)
Celtis pallida (Desert Hackberry )
Celtis sinensis (Japanese Hackberry )

Cercocarpus

Cercocarpus minutiflorus (Smooth Mountain-mahogany)

Chaenomeles

Chaenomeles speciosa (Flowering Quince)

Clethra

Clethra alnifolia (Summersweet )
Clethra alnifolia 'Ruby Spice' (Ruby Spice Summersweet )

Corylopsis

Corylopsis (Winterhazel)
Corylopsis pauciflora (Buttercup Winterhazel)
Corylopsis spicata (Spike Winterhazel)

Corylus

Corylus americana (American Hazel )
Corylus avellana (Hazelnut )
Corylus avellana 'Contorta' (Contorted Filbert )
Corylus avellana 'Rote Zeller' (Rote Zeller Hazelnut)
Corylus chinensis (Chinese Hazel)
Corylus colurna (Turkish Hazel)

Crataegus

Crataegus 'Autumn Glory' (Autumn Glory Hawthorn)
Crataegus ambigua (Russian Hawthorn)