Acer

Acer palmatum 'Beni komachi' (Beni komachi Japanese Maple)
Acer palmatum 'Bloodgood' (Bloodgood Japanese Maple)
Acer palmatum 'Pixie' (Pixie Japanese Maple)
Acer palmatum 'Shaina' (Shaina Japanese Maple)
Acer palmatum 'Shindeshojo' (Shindeshojo Japanese Maple)
Acer palmatum var. dissectum atropurpureum (Red Dissected Japanese Maple)
Acer palmatum var. dissectum atropurpureum 'Ever Red' (Ever Red Dissected Japanese Maple)
Acer platanoides 'Crimson King' (Crimson King Norway Maple)
Acer platanoides Crimson Sentry™ (Crimson Sentry Norway Maple)
Acer platanoides 'Deborah' (Deborah Norway Maple)
Acer platanoides 'Schwedleri' (Schwedleri Norway Maple)
Acer pseudoplatanus 'Esk Sunset' (Eskimo Sunset Sycamore Maple)
Acer pseudoplatanus 'Atropurpureum' (Purpleleaf Sycamore Maple)

Berberis

Berberis thunbergii var. atropurpurea (Purple (Red) Leafed Japanese Barberry)
Berberis thunbergii var. atropurpurea 'Crimson Pigmy' (Crimson Pigmy Japanese Barberry)
Berberis thunbergii var. atropurpurea 'Golden Ring' (Golden Ring Barberry)
Berberis thunbergii var. atropurpurea 'Rose Glow' (Rose Glow Barberry)
Berberis thunbergii var. atropurpurea Royal Burgundy™ (Royal Burgundy Barberry)

Cercidiphyllum

Cercidiphyllum japonicum 'Red Fox' (Red Fox Katsura)

Cercis

Cercis canadensis 'Forest Pansy' (Forest Pansy Redbud)
Cercis canadensis 'Ruby Falls' (Ruby Falls Weeping Redbud)

Corylus

Corylus avellana 'Red Dragon' (Red Dragon Hazelnut)
Corylus avellana 'Rote Zeller' (Rote Zeller Hazelnut)
Corylus chinensis (Chinese Hazel)

Cotinus

Cotinus coggygria 'Royal Purple' (Royal Purple Smoketree)

Cotoneaster

Cotoneaster congestus (Pyrenees Cotoneaster)

Fagus

Fagus sylvatica 'Purple Fountain' (Purple Fountain European Beech)
Fagus sylvatica 'Purpurea' (Purpleleaf European Beech, )
Fagus sylvatica 'Red Obelisk' (Red Obelisk European Beech)
Fagus sylvatica 'Tortuosa Purpurea' (Contorted Purple Beech)

Lonicera

Lonicera nitida 'Red Tips' (Red Tips Box 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)

Malus

Malus Brandywine® (Brandywine Crabapple)
Malus 'Prairifire' (Prairifire Crabapple)

Physocarpus

Physocarpus opulifolius Diabolo® (Diabolo Ninebark )
Physocarpus opulifolius Summer Wine™ (Summer Wine Ninebark )

Prunus

Prunus 'Newport' (Newport Flowering Plum)
Prunus cerasifera 'Atropurpurea' (Atropurpurea Flowering Plum)
Prunus cerasifera 'Krauter's Vesuvius' (Krauter's Vesuvius Flowering Plum )
Prunus serrulata 'Royal Burgundy' (Royal Burgundy Flowering Cherry)
Prunus virginiana 'Canada Red' (Canada Red Chokecherry)

Rhododendron (defines evaluations)

Rhododendron lutescens (Lutescens Rhododendron)

Spiraea

Spiraea japonica Magic Carpet™ (Magic Carpet Spirea)

Styrax

Styrax japonicus 'Evening Light' (Evening Light Japanese Snowbell)

Viburnum

Viburnum opulus var. sargentii 'Onondaga' (Onondaga Viburnum )