Abelia

Abelia × 'Edward Goucher' (Edward Goucher Abelia)

Adenium

Adenium obesum (Desert Rose )

Amelanchier

Amelanchier × grandiflora (Apple Serviceberry)

Aronia

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

Callicarpa

Callicarpa dichotoma (Purple Beautyberry)
Callicarpa japonica (Japanese Beautyberry)

Calycanthus

Calycanthus × raulstonii 'Hartlage Wine' (Hartlage Wine Sweetbush )

Cercidiphyllum

Cercidiphyllum japonicum (Katsura )
Cercidiphyllum japonicum 'Red Fox' (Red Fox Katsura)

Cercis

Cercis canadensis (Eastern Redbud)
Cercis canadensis 'Ruby Falls' (Ruby Falls Weeping Redbud)
Cercis canadensis var. mexicana (Mexican Redbud)
Cercis canadensis var. texensis 'Oklahoma' (Oklahoma Redbud)
Cercis occidentalis (Western Redbud )
Cercis siliquastrum (Judus Tree )

Chaenomeles

Chaenomeles speciosa (Flowering Quince)

Chilopsis

Chilopsis linearis (Desert Willow )

Chitalpa

Chitalpa tashkentensis 'Pink Dawn' (Pink Dawn Chitalpa)

Clethra

Clethra alnifolia 'Ruby Spice' (Ruby Spice Summersweet )

Cornus

Cornus florida (Flowering Dogwood )
Cornus kousa (Kousa Dogwood )
Cornus kousa 'Radiant Rose' (Radiant Rose Dogwood)
Cornus kousa Scarlet Fire® (Scarlet Fire Dogwood)

Cotoneaster

Cotoneaster divaricatus (Spreading Cotoneaster)
Cotoneaster horizontalis (Rockspray Cotoneaster )
Cotoneaster intergerrimus (European Cotoneaster)
Cotoneaster lucidus (Hedge Cotoneaster)

Cydonia

Cydonia oblonga (Quince)

Daphne

Daphne × burkwoodii (Burkwood Daphne)

Deutzia

Deutzia × kalmiiflora (Kalmia Flowered Deutzia)
Deutzia scabra 'Godsall Pink' (Godsall Pink Fuzzy Deutzia)

Diospyros

Diospyros kaki (Japanese Persimmon )

Enkianthus

Enkianthus campanulatus (Redvein Enkianthus)

Fuchsia

Fuchsia magellanica (Magellan Fuchsia )

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)

Kolkwitzia

Kolkwitzia amabilis (Beautybush)

Lagerstroemia

Lagerstroemia (hybrid) (Hybrid Crape Myrtle)
Lagerstroemia chekiangensis (Crape Myrtle)
Lagerstroemia indica (Common Crape Myrtle )

Lonicera

Lonicera japonica (Japanese Honeysuckle)

Loropetalum

Loropetalum chinense var. rubrum 'Daybreak's Flame' (Daybreak's Flame Fringe-flower)

Magnolia

Magnolia 'Galaxy' (Galaxy Magnolia)
Magnolia 'Star Wars' (Star Wars Magnolia)
Magnolia liliiflora (Lily Magnolia)
Magnolia × loebneri (Loebner Magnolia)
Magnolia × loebneri 'Leonard Messel' (Leonard Messel Magnolia)
Magnolia × soulangeana (Saucer Magnolia)
Magnolia stellata (Star Magnolia)
Magnolia stellata 'Rosea' (Rosea Star Magnolia )
Magnolia stellata 'Waterlily' (Waterlily Magnolia)

Malus

Malus Brandywine® (Brandywine Crabapple)
Malus atrosanguinea (Carmine Crabapple)
Malus floribunda (Japanese Flowering Crabapple)
Malus hupehensis (Tea Crabapple)

Menziesia

Menziesia ciliicalyx var. multiflora (Mock Azalea )

Pachysandra

Pachysandra procumbens (Allegheny Pachysandra)

Prunus

Prunus 'Accolade' (Accolade Flowering Cherry)
Prunus Cascade Snow™ (Cascade Snow Flowering Cherry)
Prunus 'Dream Catcher' (Dream Catcher Flowering Cherry)
Prunus 'First Lady' (First Lady Flowering Cherry)
Prunus 'Newport' (Newport Flowering Plum)
Prunus 'Okame' (Okame Flowering Cherry)
Prunus armeniaca (Apricot)
Prunus × blireiana (Blireiana Plum)
Prunus cerasifera 'Atropurpurea' (Atropurpurea Flowering Plum)
Prunus cerasifera 'Krauter's Vesuvius' (Krauter's Vesuvius Flowering Plum )
Prunus × cistena (Purpleleaf Sandcherry )
Prunus glandulosa (Dwarf Flowering Almond)
Prunus mume (Japanese Apricotc )
Prunus mume 'Peggy Clarke' (Peggy Clarke Japanese Flowering Apricot)
Prunus mume 'Trumpet' (Trumpet Japanese Flowering Apricot)
Prunus prostrata (Rock Cherry )
Prunus sargentii (Sargent Cherry)
Prunus sargentii 'Columnaris' (Columnar Sargent Cherry)
Prunus serrulata (Japanese Flowering Cherry )
Prunus serrulata 'Kanzan' (Kanzan Flowering Cherry)
Prunus serrulata 'Mt. Fuji' (Mt. Fuji Flowering Cherry)
Prunus serrulata 'Royal Burgundy' (Royal Burgundy Flowering Cherry)
Prunus serrulata 'Shiro-fugen' (Shiro-fugen Flowering Cherry)
Prunus serrulata 'Shogetsu' (Shogetsu Flowering Cherry)
Prunus serrulata 'Ukon' (Ukon Flowering Cherry)
Prunus subhirtella (Higan Cherry)
Prunus subhirtella 'Pendula' (Weeping Higan Cherry)
Prunus subhirtella 'Whitcomb' (Whitcomb Flowering Higan Cherry)
Prunus subhirtella 'Yae-shidare-higan' (Yae-shedare Higan Cherry )
Prunus × yedoensis 'Akebono' (Akebono Yoshino Cherry)

Punica

Punica granatum (Pomegranate)

Rhododendron (defines evaluations)

Rhododendron mucronulatum 'Cornell Pink' (Cornell Pink Azalea)

Spiraea

Spiraea japonica (Japanese Spirea)
Spiraea japonica 'Anthony Waterer' (Anthony Waterer Spirea )
Spiraea japonica 'Bumalda' (Bumald Spirea)
Spiraea japonica Double Play® Painted Lady® (Painted Lady® Spirea)
Spiraea japonica 'Goldmound' (Goldmound Spirea)
Spiraea japonica 'Lemon Princess' (Lemon Princess Spirea)
Spiraea japonica Limemound® (Limemound Spirea)