Colocasia esculenta 'Tiger Stripe'
Styrax japonicus
Origanum vulgare 'Aureum’
Sambucus nigra 'Marginata'
Rubus pentalobus
Cynara cardunculus
Tropaeolum majus 'Vesuvius'
Salvia discolor
Alternanthera dentata 'Purple Knight'
Rho­dodendron schlippenbachii
Cotinus 'Grace'
Thelypteris kunthii
Vinca minor and cvs.
Tropaeolum majus 'Strawberries and Cream'
Acer palmatum 'Oshu Shidare'
Crambe cordifolia
Achillea ‘Coronation Gold’
Iris ensata
Geranium sanguineum var. striatum
Lysimachia nummularia
Tiarella 'Mint Chocolate'
Liquidambar styraciflua ‘Slender Silhouette’
Acer rubrum
Pulmonaria longiflora 'Bertram  Anderson'
Corydalis lutea
Salvia pachyphylla
Pleioblastus variegatus
Euphorbia characias
Colocasia esculenta 'Illustris'
Thalictrum rochebruneanum
Dalea frutescens
Acalypha wilkesiana
Phalaris arundinacea and cvs.
Kolkwitzia amabilis 'Maradco'
Thalictrum isopyroides
Athyrium 'Ghost'
Dicentra formosa
Illicium parviflorum
Paulownia tomentosa
Begonia 'Green Gold'
Festuca mairei
Tsuga canadensis 'Pendula'
Trillium chloropetalum
Plectranthus amboinicus
Hosta 'Fortunei Albo-marginata'
Panicum virgatum 'Prairie Fire'
Silphium laciniatum
Panicum virgatum ‘Heavy Metal’
Berberis thunbergii 'Golden Nugget'
Choisya ternata 'Sundance'
Solenostemon scutellarioides Colorblaze® 'Alligator Tears'™
Phormium 'Amazing Red'
Ilex crenata
Geranium cinereum ‘Ballerina’
Actaea simplex 'Brunette'
Darmera peltata
Amaranthus tricolor and cvs.
Stephanandra incisa ‘Crispa’
Caryopteris × clandonensis 'Longwood Blue'
Tiarella 'Dark Eyes'
Tropaeolum majus 'Mahogany Jewel'
Helleborus orientalis
Cerinthe major ‘Purpurascens’
Carex divulsa
Isolepis cernua
Ilex × meserveae 
Beta vulgaris 'Ruby Red'
Victoria cruziana
Alternanthera ficoidea 'Red Threads'
x Heucherella 'Sweet Tea'
Dahlia 'Mystic Illusion'
Cercis canadensis 'Alba’
Festuca glauca 'Boulder Blue'
Tiarella 'Neon Lights'
Cyrtomium falcatum
Pteridium aquilinum
Hosta 'Guacamole'
Heuchera 'Blackberry Jam'
Loropetalum chinense f. rubrum 'Ruby'
Artemisia absinthium
Paeonia obovata var. alba
Solenostemon scutellarioides ‘Red Trailing Queen’
Rosa rugosa var. alba
Tropaeolum majus 'Whirlybird Mix'
Parrotia persica
Dianthus gratianopolitanus
Athyrium niponicum var. pictum 'Burgundy Lace'
Carex plantaginea
Sedum tetractinum
Alocasia 'Stingray'
Plectranthus purpuratus
Begonia 'Cowardly Lion'
Juniperus squamata ‘Holger’
Thalictrum delavayi
Alternanthera ficoidea 'Yellow Form'
Acer palmatum 'Wolff'
Ipomoea batatas ‘Blackie’
Polystichum makinoi
Cyperus papyrus King Tut®
Anthriscus sylvestris 'Ravenswing'