Alnus

Alnus alnobetula subsp. sinuata (Sitka 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 )

Aronia

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

Baccharis

Baccharis pilularis (Coyote Bush )

Callicarpa

Callicarpa americana (American Beautyberry )
Callicarpa dichotoma 'Albifructus' (White Fruited Beautyberry)
Callicarpa japonica (Japanese Beautyberry)

Ceanothus

Ceanothus integerrimus (Deer Brush)
Ceanothus sanguineus (Redstem Ceanothus )

Chaenomeles

Chaenomeles speciosa (Flowering Quince)

Chionanthus

Chionanthus retusus (Chinese Fringetree)

Clethra

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

Crataegus

Crataegus columbiana (Columbia Hawthorn)
Crataegus douglasii (Douglas Hawthorn )
Crataegus germanica (Medlar)
Crataegus laevigata (English Hawthorn )
Crataegus monogyna 'Flexuosa' (Contorted Singleseed Hawthorn)

Deutzia

Deutzia gracilis (Slender Deutzia)
Deutzia gracilis 'Nikko' (Nikko Slender Deutzia)
Deutzia × kalmiiflora (Kalmia Flowered Deutzia)
Deutzia × lemoinei (Lemoine Deutzia)
Deutzia paviflora var. amurensis (Amur Deutzia)
Deutzia scabra (Fuzzy Deutzia)
Deutzia scabra 'Flore-pleno' (Flore-pleno Fuzzy Deutzia)
Deutzia scabra 'Godsall Pink' (Godsall Pink Fuzzy Deutzia)

Enkianthus

Enkianthus campanulatus (Redvein Enkianthus)

Fothergilla

Fothergilla gardenii (Dwarf Fothergilla)
Fothergilla gardenii 'Jane Platt' (Jane Platt Fothergilla)
Fothergilla major (Large Fothergilla )

Franklinia

Franklinia alatamaha (Franklin Tree )

Hibiscus

Hibiscus syriacus (Rose of Sharon )

Holodiscus

Holodiscus discolor (Oceanspray )
Holodiscus dumosus (Mountain Spray)
Holodiscus microphyllus (Small-leaved Creambush)

Hovenia

Hovenia dulcis (Japanese Raisintree )

Hydrangea

Hydrangea arborescens 'Annabelle' (Smooth Hydrangea)
Hydrangea macrophylla (Bigleaf Hydrangea)
Hydrangea paniculata (Panicle Hydrangea)
Hydrangea paniculata Angel Blush® (Angel Blush Hydrangea)
Hydrangea paniculata 'Pink Diamond' (Pink Diamond Hydrangea)
Hydrangea paniculata 'Unique' (Unique Hydrangea)

Kerria

Kerria japonica 'Albiflora' (White Japanese Kerria, )

Leucothoe

Leucothoe racemosa (Sweetbells Leucothoe )

Leycesteria

Leycesteria formosa (Pheasant-eye )

Loropetalum

Loropetalum chinense (Chinese Fringe-flower)

Malus

Malus fusca (Western Crabapple )
Malus sargentii (Sargent Crabapple )
Malus transitoria (Transitoria Crabapple )

Menziesia

Menziesia ferruginea (Rusty Menziesia )

Neviusia

Neviusia cliftonii (Shasta Snowwreath)

Parrotiopsis

Parrotiopsis jacquemontiana (No English common name )

Philadelphus

Philadelphus 'Buckleys Quill' (Buckley's Quill Mockorange)
Philadelphus 'Snowdwarf' (Snowdwarf Mockorange)
Philadelphus lewisii (Wild Mockorange )
Philadelphus lewisii 'Goose Creek' (Goose Creek Mockorange )
Philadelphus × virginalis 'Miniature Snowflake' (Miniature Snowflake Mockorange )
Philadelphus × virginalis 'Natchez' (Natchez Mockorange)
Philadelphus × virginalis  (Virginal Mockorange)

Photinia

Photinia villosa (Oriental Photinia)

Physocarpus

Physocarpus capitatus (Western Ninebark )
Physocarpus malvaceus (Mallow Ninebark )
Physocarpus opulifolius (Common Ninebark)
Physocarpus opulifolius 'Dart's Gold' (Dart's Gold Ninebark )
Physocarpus opulifolius 'Luteus' (Luteus Ninebark )

Prunus

Prunus americana (Wild Plum )
Prunus besseyi (Sand Cherry )
Prunus emarginata (Bitter Cherry )
Prunus fruticosa (Steppe Cherry )
Prunus glandulosa (Dwarf Flowering Almond)
Prunus subcordata (Klamath Plum )
Prunus virginiana 'Canada Red' (Canada Red Chokecherry)
Prunus virginiana var. demissa (Western Chokecherry)
Prunus virginiana var. virginiana (Common Chokecherry)

Pterostyrax

Pterostyrax hispida (Epaulette Tree )

Rhododendron (defines evaluations)

Rhododendron Tri Lights™ (Tri-Lights Azalea)

Rhodotypos

Rhodotypos scandens (Black Jetbead)

Ribes

Ribes sanguineum (Flowering Currant )
Ribes sanguineum White Icicle™ (White Icicle Flowering Currant)

Salix

Salix caprea 'Kilmarnock' (Kilmarnock Willow)

Spiraea

Spiraea × arguta (Garland Spirea)
Spiraea betulifolia (Birch-leaf Spirea )
Spiraea betulifolia 'Tor' (Tor Birchleaf Spirea)
Spiraea fritschiana (Korean Spirea)
Spiraea japonica (Japanese Spirea)
Spiraea japonica 'Little Princess' (Little Princess Spirea)
Spiraea miyabei (Miyabe Spirea)
Spiraea nipponica (Nippon Spirea)
Spiraea prunifolia 'Plena' (Bridalwreath Spirea)
Spiraea thunbergii (Thunberg Spirea)
Spiraea thunbergii 'Fujino Pink' (Fujino Pink Spirea)
Spiraea thunbergii Mellow Yellow™ (Mellow Yellow Spirea, )