Abelia

Abelia × 'Edward Goucher' (Edward Goucher Abelia)

Adenium

Adenium obesum (Desert Rose )

Aesculus

Aesculus californica (California Buckeye )
Aesculus sylvatica (Painted Buckeye )

Amelanchier

Amelanchier × grandiflora (Apple Serviceberry)

Aronia

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

Buddleia

Buddleia davidii (Butterfly Bush)

Callicarpa

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

Calycanthus

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

Cercis

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 )

Clethra

Clethra alnifolia 'Ruby Spice' (Ruby Spice Summersweet )

Cornus

Cornus florida (Flowering Dogwood )
Cornus kousa (Kousa Dogwood )
Cornus kousa 'Radiant Rose' (Radiant Rose 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)

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 'Caerhays Belle' (Caerhays Belle 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)

Menziesia

Menziesia ciliicalyx var. multiflora (Mock Azalea )

Prunus

Prunus × cistena (Purpleleaf Sandcherry )
Prunus glandulosa (Dwarf Flowering Almond)
Prunus prostrata (Rock Cherry )

Punica

Punica granatum (Pomegranate)

Rhododendron (defines evaluations)

Rhododendron mucronulatum 'Cornell Pink' (Cornell Pink Azalea)

Robinia

Robinia neomexicana (New Mexican Locust )

Rosa

Rosa acicularis (Wild Prickly Rose)
Rosa rugosa (Rugosa Rose)

Sambucus

Sambucus nigra Black Beauty™ (Black Beauty Elderberry )
Sambucus nigra 'Purpurea' (Purpurea Elderberry )

Sorbus

Sorbus poteriifolia (Mountain Ash)

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)
Spiraea japonica 'Little Princess' (Little Princess Spirea)
Spiraea japonica Magic Carpet™ (Magic Carpet Spirea)
Spiraea japonica var. alpina (Daphne Spirea)
Spiraea thunbergii 'Fujino Pink' (Fujino Pink Spirea)

Styrax

Styrax japonicus 'Pink Chimes' (Pink Chimes Japanese Snowbell )

Symphoricarpos

Symphoricarpos × doorenbosii (Doorenbos Snowberry )
Symphoricarpos × doorenbosii 'Magic Berry' (Magic Berry Snowberry )
Symphoricarpos orbiculatus (Indiancurrant Coralberry )

Syringa

Syringa × hyacinthiflora (Early Flowering Lilac )
Syringa × hyacinthiflora 'Maiden's Blush' (Maiden's Blush (Early Flowering) Lilac )
Syringa meyeri 'Palibin' (Palibin Meyer Lilac)
Syringa microphylla 'Superba' (Superba Littleleaf Lilac )
Syringa patula 'Miss Kim' (Miss Kim Lilac )
Syringa × persica (Persian Lilac)
Syringa × prestoniae (Preston Lilac )
Syringa × prestoniae 'James Macfarlane' (James Macfarlane Lilac)
Syringa vulgaris (Common Lilac)

Vaccinium

Vaccinium corymbosum (Highbush Blueberry)

Viburnum

Viburnum × bodnantense 'Dawn' (Dawn Bodnantense Viburnum)
Viburnum × burkwoodii (Burkwood Viburnum)
Viburnum carlesii (Koreanspice Viburnum)
Viburnum farreri (Fragrant Viburnum)
Viburnum × juddii (Judd Viburnum)
Viburnum plicatum var. plicatum 'Pink Sensation' (Pink Sensation Japanese Snowball)
Viburnum plicatum var. tomentosum 'Pink Beauty' (Pink Beauty Doublefile Viburnum)

Weigela

Weigela florida (Weigela)
Weigela praecox (Early Weigela)
Weigela praecox 'Korean Sunrise' (Korean Sunrise Weigela)