Acer

Acer macrophyllum (Bigleaf Maple)
Acer macrophyllum 'Seattle Sentinel' (Seattle Sentinel Bigleaf Maple)
Acer platanoides (Norway Maple)
Acer platanoides 'Crimson King' (Crimson King Norway Maple)
Acer platanoides 'Deborah' (Deborah Norway Maple)

Aesculus

Aesculus chinensis (Chinese Horsechestnut)
Aesculus flava (Yellow Buckeye )
Aesculus glabra (Ohio Buckeye )
Aesculus glabra var. arguta (Texas Buckeye )
Aesculus sylvatica (Painted Buckeye )

Baccharis

Baccharis pilularis (Coyote Bush )

Berberis

Berberis fremontii (Fremont Barberry )

Buddleia

Buddleia globosa (Orange Butterfly Bush )

Campsis

Campsis radicans (Trumpet Vine )

Clematis

Clematis tangutica (Golden Clematis)

Corylopsis

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

Enkianthus

Enkianthus campanulatus (Redvein Enkianthus)

Forestiera

Forestiera pubescens (Desert Olive)

Forsythia

Forsythia × intermedia (Border Forsythia)
Forsythia viridissima (Greenstem Forsythia)
Forsythia viridissima 'Bronxensis' (Bronxensis Greenstem Forsythia)
Forsythia viridissima var. koreana 'Kumson' (Kumson Korean Greenstem Forsythia)

Hamamelis

Hamamelis × intermedia (Witchhazel)
Hamamelis × intermedia 'Arnold Promise' (Arnold Promise Witchhazel)
Hamamelis × intermedia 'Primivera' (Primivera Witchhazel)
Hamamelis vernalis (Vernal Witchhazel )
Hamamelis virginiana (Common Witchhazel)

Hydrangea

Hydrangea paniculata (Panicle Hydrangea)

Idesia

Idesia polycarpa (Iigiri Tree )

Kalopanax

Kalopanax septemlobus (Castor-aralia )

Kerria

Kerria japonica (Japanese Kerria )
Kerria japonica 'Kin Kan' (Kin Kan Japanese Kerria)
Kerria japonica 'Picta' (Variegated Japanese Kerria, )
Kerria japonica 'Pleniflora' (Double Japanese Kerria)

Koelreuteria

Koelreuteria paniculata (Golden Raintree )
Koelreuteria paniculata 'Fastigiata' (Upright Golden Raintree)

Menziesia

Menziesia ferruginea (Rusty Menziesia )

Paeonia

Paeonia lutea subsp. ludlowii (Tibetan Peony )

Parrotiopsis

Parrotiopsis jacquemontiana (No English common name )

Prunus

Prunus serrulata 'Ukon' (Ukon Flowering Cherry)

Rhododendron (defines evaluations)

Rhododendron Tri Lights™ (Tri-Lights Azalea)

Rhus

Rhus aromatica (Fragrant Sumac)
Rhus aromatica 'Gro-Low' (Gro-Low Fragrant Sumac)
Rhus glabra (Smooth Sumac )
Rhus trilobata (Skunkbush Sumac )
Rhus typhina (Staghorn Sumac)
Rhus typhina 'Laciniata' (Laceleaf Staghorn Sumac)

Ribes

Ribes aureum (Golden Currant )
Ribes × gordonianum (Gordon's Currant)
Ribes odoratum (Golden Currant )

Salix

Salix caprea 'Kilmarnock' (Kilmarnock Willow)

Sambucus

Sambucus racemosa (Red Elderberry)

Stachyurus

Stachyurus praecox (Early Spiketail)

Stewartia

Stewartia koreana (Korean Stewartia)
Stewartia monadelpha (Tall Stewartia)
Stewartia pseudocamellia (Japanese Stewartia)
Stewartia rostrata (Rostrata Stewartia)
Stewartia serrata (Sawtooth Stewartia)

Tilia

Tilia americana (American Linden )
Tilia americana 'Continental Appeal' (Continental Appeal Linden )
Tilia cordata (Littleleaf Linden)
Tilia cordata Greenspire® (Greenspire Littleleaf Linden)
Tilia × euchlora (Crimean Linden)
Tilia × europaea (European Linden )
Tilia mongolica (Mongolian Linden)
Tilia tomentosa (Silver Linden)

Toona

Toona sinensis (Chinese Toon )

Viburnum

Viburnum nudum (Possumhaw )
Viburnum prunifolium (Blackhaw Viburnum)