Picea pungens ‘Glauca Pendula'
Dicentra 'King of Hearts'
Agave americana
Sisyrinchium graminoides
Artemisia absinthium
Tulipa greigii 'Calypso'
Cornus alba 'Elegantissima'
Cerinthe major ‘Purpurascens’
Canna 'Madame Paul Caseneuve'
Dryopteris crassirhizoma
Ilex 'Nellie R. Stevens'
Tropaeolum majus 'Mahogany Jewel'
Brunnera macrophylla 'Looking Glass'
Pulmonaria longiflora 'Bertram  Anderson'
Begonia grandis ssp. evansiana
Wister­ia sinensis
Ligularia dentata 'Britt Marie Crawford'
Hedera helix and cvs.
Asarum shuttleworthii
Athyrium niponicum var. pictum 'Burgundy Lace'
Cordyline australis 'Purple Tower'
Petroselinum crispum 'Crispum'
Polemonium caeruleum 'Brise d'Anjou'
Sambucus nigra 'Madonna'
Polemonium reptans 'Stairway to Heaven'
Agave 'Sharkskin'
Muhlenbergia lindheimeri
Cotinus coggygria 'Ancot'
Tropaeolum majus 'Vesuvius'
Diervilla sessifolia 'LPDC Podaras'
Thymus 'Pink Ripple'
Robinia pseudoacacia 'Frisia'
Cortaderia selloana 'Gold Band'
Panicum amarum 'Dewey Blue'
Rudbeckia maxima
Ilex serrata 'Sundrops'
Panicum virgatum 'Ruby Ribbons'
Bergenia ciliata
Veitchia montgomeryana
Acer japonicum 'Aconitifolium'
Trillium recurvatum
Silphium laciniatum
Hydrangea macrophylla 'Variegata'
Solenostemon scutellarioides ‘Candy Store’
Illicium mexicanum
Lathyrus tingitanus
Dryopteris erythrosora
Salvia pachyphylla
Tropaeolum speciosum
Geranium pratense 'Midnight Reiter'
Carex elata 'Aurea'
x Heucherella 'Sweet Tea'
Antennaria neodioica
Solenostemon scutellarioides ‘Trailing Salamander’
Ricinus communis 'Carmencita'
Kolkwitzia amabilis 'Maradco'
Anethum graveolens
Pulmonaria 'Silver Shimmers'
Rhus typhina 'Tigereye Bailtiger'
Pelargonium 'Crystal Palace Gem'
Plectranthus forsteri 'Green on Green'
Dicentra formosa
Sedum kamtschaticum 'Weihenstephaner Gold'
Sambucus racemosa ‘Sutherland Gold’
Actaea simplex 'Brunette'
Euphorbia amygdaloides ‘Rubra’
Origanum laevigatum and cvs.
Rumex sanguineus
Aeonium arboreum  'Zwartkop'
Stylophorum diphyllum
Acer shirasawanum 'Jordan'
Acer palmatum 'Wolff'
Helictotrichon sempervirens
Acer palmatum 'Amber Ghost'
Iris spuria
Corydalis cheilanthifolia
Photinia  ×  fraseri
Begonia 'River Nile'
Othonna capensis
Eucomis comosa 'Sparkling Burgundy'
Heuchera 'Blackberry Jam'
Kalimeris yomena
Acer palmatum 'Oshu Shidare'
Iris pallida 'Variegata'
Tropaeolum majus 'Peach Melba'
Eucomis comosa
Tropaeolum majus 'Jewel of Africa'
Origanum vulgare 'Aureum’
Tropaeolum majus 'Milk Maid'
Ruellia elegans
Hydrangea quercifolia ‘Snow Queen’
Corydalis ochroleuca
Plectranthus amboinicus
Paulownia tomentosa
Begonia 'Stained Glass'
Myrrhis odorata
Thalictrum rochebruneanum 'Lavender Mist'
Helleborus argutifolius ‘Janet Starnes’
Tiarella 'Mint Chocolate'
Corydalis flexuosa