Adenium

Adenium obesum (Desert Rose )

Aesculus

Aesculus pavia (Red Buckeye)
Aesculus pavia 'Humilis' (Dwarf Red Buckeye)
Aesculus sylvatica (Painted Buckeye )

Agave

Agave colorata (Mescal Ceniza )
Agave shawii (Shaw's Agave)

Berberis

Berberis thunbergii (Japanese Barberry)
Berberis thunbergii 'Aurea' (Golden Japanese Barberry)
Berberis thunbergii 'Kobold' (Kobold Japanese Barberry)
Berberis triacanthophora (Threespine Barberry )

Calluna

Calluna vulgaris (Scotch Heather )
Calluna vulgaris 'Robert Chapman' (Robert Chapman Scotch Heather)

Calycanthus

Calycanthus × 'Aphrodite' (Aphrodite Sweetshrub)
Calycanthus floridus (Carolina Allspice )
Calycanthus × raulstonii 'Hartlage Wine' (Hartlage Wine Sweetbush )

Camellia

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

Cercis

Cercis canadensis 'Forest Pansy' (Forest Pansy Redbud)
Cercis canadensis var. mexicana (Mexican Redbud)
Cercis canadensis var. texensis 'Oklahoma' (Oklahoma Redbud)
Cercis chinensis (Chinese Redbud)
Cercis chinensis 'Avondale' (Avondale Chinese Redbud)
Cercis occidentalis (Western Redbud )
Cercis siliquastrum (Judus Tree )

Chaenomeles

Chaenomeles speciosa (Flowering Quince)

Cistus

Cistus × pulverulentus 'Sunset' (Sunset Rockrose)

Clethra

Clethra alnifolia 'Ruby Spice' (Ruby Spice Summersweet )

Coleogyne

Coleogyne ramosissima (Blackbrush)

Cornus

Cornus kousa 'Radiant Rose' (Radiant Rose Dogwood)

Corylus

Corylus avellana 'Rote Zeller' (Rote Zeller Hazelnut)

Cotinus

Cotinus coggygria (Common Smoketree )
Cotinus coggygria 'Royal Purple' (Royal Purple Smoketree)

Cotoneaster

Cotoneaster bullatus (Hollyberry Cotoneaster)

Crinodendron

Crinodendron hookerianum (Chilean Lantern Tree)

Daphne

Daphne 'Lawrence Crocker' (Lawrence Crocker Daphne)
Daphne × burkwoodii (Burkwood Daphne)
Daphne mezereum (February Daphne )

Dasiphora

Dasiphora fruticosa (Shrubby Cinquefoil )

Distylium

Distylium × 'Vintage Jade' (Vintage Jade Evergreen Witch Hazel)

Enkianthus

Enkianthus campanulatus (Redvein Enkianthus)

Erica

Erica × darleyensis (Darley Heath )

Escallonia

Escallonia 'Compakta' (Compakta Escallonia)
Escallonia laevis 'Gold Brian' (Gold Brian Escallonia)
Escallonia × langleyensis (Langley Escallonia)
Escallonia × langleyensis 'Pride of Donard' (Pride of Donard Escallonia)

Euonymus

Euonymus atropurpureus (Eastern Wahoo)

Feijoa

Feijoa sellowiana (Pineapple Guava )

Fouquieria

Fouquieria splendens (Ocotillo)

Fuchsia

Fuchsia magellanica (Magellan Fuchsia )

Garrya

Garrya fremontii (Fremont Silktassel )

Grevillea

Grevillea lanigera (Woolly Grevillea)
Grevillea rosmarinifolia (Rosemary Grevillea)
Grevillea victoriae (Royal Grevillea)

Hamamelis

Hamamelis × intermedia 'Arnold Promise' (Arnold Promise Witchhazel)
Hamamelis × intermedia 'Diane' (Diane Witchhazel)
Hamamelis × intermedia 'Jelena' (Jelena Witchhazel)
Hamamelis vernalis (Vernal Witchhazel )

Hesperaloe

Hesperaloe parviflora (Red Yucca)

Hydrangea

Hydrangea paniculata 'Pink Diamond' (Pink Diamond Hydrangea)
Hydrangea paniculata 'Unique' (Unique Hydrangea)

Jasminum

Jasminum polyanthum (Pink Jasmine )

Kalmia

Kalmia latifolia (Mountain-laurel)

Lagerstroemia

Lagerstroemia (hybrid) (Hybrid Crape Myrtle)
Lagerstroemia 'Zuni' (Zuni Crape Myrtle)
Lagerstroemia chekiangensis (Crape Myrtle)
Lagerstroemia indica (Common Crape Myrtle )
Lagerstroemia indica Petite Plum® (Petite Plum Crape Myrtle)

Leycesteria

Leycesteria formosa (Pheasant-eye )

Lonicera

Lonicera involucrata (Twinberry )
Lonicera tatarica (Tatarian Honeysuckle )
Lonicera tatarica 'Arnold Red' (Arnold Red Tatarian Honeysuckle)

Loropetalum

Loropetalum chinense var. rubrum (Pink-flowering Fringe-flower )
Loropetalum chinense var. rubrum 'Daybreak's Flame' (Daybreak's Flame Fringe-flower)
Loropetalum chinense var. rubrum Plum Delight™ (Plum Delight Fringe-flower)

Magnolia

Magnolia 'Randy' (Randy Magnolia)
Magnolia stellata 'Rosea' (Rosea Star Magnolia )

Melaleuca

Melaleuca nesophila (Pink Melaleuca )

Morella

Morella californica (Pacific Waxmyrtle )

Nerium

Nerium oleander (Oleander)

Olneya

Olneya tesota (Ironwood)

Parrotia

Parrotia persica (Persian Parrotia )

Pieris

Pieris japonica (Japanese Pieris )
Pieris japonica 'Valley Valentine' (Valley Valentine Pieris)

Pittosporum

Pittosporum tenuifolium 'Silver Sheen' (Silver Sheen Pittosporum )

Prunus

Prunus prostrata (Rock Cherry )

Punica

Punica granatum (Pomegranate)
Punica granatum var. nana (Dwarf Pomegranate)

Rhododendron (defines evaluations)

Rhododendron 'Vulcan' (Vulcan Rhododendron)

Rosa

Rosa acicularis (Wild Prickly Rose)
Rosa rugosa (Rugosa Rose)
Rosa woodsii (Woods' Rose)

Spiraea

Spiraea douglasii (Douglas Spirea )
Spiraea japonica 'Anthony Waterer' (Anthony Waterer Spirea )
Spiraea japonica 'Bumalda' (Bumald Spirea)
Spiraea japonica var. alpina (Daphne Spirea)
Spiraea splendens (Mountain Spirea)

Symphoricarpos

Symphoricarpos rotondifolius (Roundleaf Snowberry)

Syringa

Syringa microphylla 'Superba' (Superba Littleleaf Lilac )
Syringa × prestoniae (Preston Lilac )
Syringa × prestoniae 'James Macfarlane' (James Macfarlane Lilac)