Berberis

Berberis darwinii (Darwin Barberry)
Berberis triacanthophora (Threespine Barberry )

Camellia

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

Chaenomeles

Chaenomeles speciosa (Flowering Quince)

Clethra

Clethra alnifolia 'Ruby Spice' (Ruby Spice Summersweet )

Corylus

Corylus avellana 'Red Dragon' (Red Dragon Hazelnut)
Corylus avellana 'Rote Zeller' (Rote Zeller Hazelnut)

Enkianthus

Enkianthus campanulatus (Redvein Enkianthus)

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)

Grevillea

Grevillea aquifolium (Holly Grevillea)
Grevillea lanigera (Woolly Grevillea)

Hamamelis

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

Hibiscus

Hibiscus syriacus (Rose of Sharon )

Lavatera

Lavatera thuringiaca (Tree Lavatera)

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)

Morella

Morella californica (Pacific Waxmyrtle )

Parrotia

Parrotia persica (Persian Parrotia )

Pieris

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

Prunus

Prunus × cistena (Purpleleaf Sandcherry )
Prunus prostrata (Rock Cherry )

Rhododendron (defines evaluations)

Rhododendron formosum var. formosum (Formosum Rhododendron)

Ribes

Ribes × gordonianum (Gordon's Currant)
Ribes malvaceum (Chaparral Currant)
Ribes nevadense (Mountain Pink Currant )
Ribes sanguineum (Flowering Currant )
Ribes sanguineum 'Elk River Red' (Elk River Red Flowering Currant)

Rosa

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

Rubus

Rubus spectabilis (Salmonberry)

Spiraea

Spiraea douglasii (Douglas Spirea )
Spiraea japonica 'Anthony Waterer' (Anthony Waterer Spirea )
Spiraea japonica 'Bumalda' (Bumald Spirea)
Spiraea japonica Double Play® Painted Lady® (Painted Lady® Spirea)
Spiraea japonica 'Goldflame' (Goldflame Spirea)
Spiraea japonica var. alpina (Daphne Spirea)
Spiraea splendens (Mountain Spirea)