Colocasia esculenta 'Black Beauty'
Veronica pectinata
Ilex serrata 'Sundrops'
Vinca minor and cvs.
Tsuga canadensis
Tulipa greigii 'Oratorio'
Podophyllum 'Kaleidoscope'
Geranium sanguineum var. striatum
Corydalis cheilanthifolia
Athyrium 'Ghost'
Aeonium arboreum  'Zwartkop'
Heuchera 'Blackberry Jam'
Corydalis flexuosa
Dalea greggii
Pinus densiflora 'Oculus Draconis'
Cortaderia selloana 'Gold Band'
Talinum paniculatum
Sabal minor
Pseudolarix kaempferi
Heuchera 'Cherries Jubilee'
Ligularia dentata 'Britt Marie Crawford'
Thymus  × citriodorus 'Argenteus'
Hosta kikutii 'Hillbilly Blues'
Muhlenbergia capillaris
Tilia americana
Ajuga reptans 'Black Scallop'
Paulownia tomentosa
Ilex crenata
Picea omorika ‘Nana’
Stipa arundinacea
Caryopteris  × clandonensis 'First Choice'
Hedera helix and cvs.
Polemonium reptans 'Stairway to Heaven'
Rosa 'Basye's Purple'
Helleborus orientalis
Tiarella wherryi 'Oakleaf'
Tulipa greigii 'Calypso'
Hydrangea quercifolia ‘Snowflake’
Pinus strobus 'Fastigiata'
Plectranthus ‘Mona Lavender’
Asparagus officinalis
Xanthosoma aurea ‘Lime Zinger’
Thymus polytrichus subsp. britannicus
x Heucherella 'Sweet Tea'
Pennisetum spathiolatum
Corydalis aurea
Loropetalum chinense f. rubrum 'Carolina Midnight'
Geranium 'Ann Folkard'
Phormium 'Amazing Red'
Ilex × meserveae 
Pennisetum 'Fireworks'
Hosta 'Piedmont Gold'
Tulipa batalinii 'Bright Gem'
Salvia argentea
Achillea millefolium ‘Fire King’
Panicum virgatum 'Ruby Ribbons'
Sciadopitys verticillata
Goodyera pubescens
Arisaema sikokianum
Carex buchananii
Ipomoea batatas 'Margarita'
Heliopsis helianthoides 'Summer Nights'
Juniperus chinensis ‘Shoosmith’
Cyathea australis
Sedum cauticola
Mahonia nervosa
Polemonium caeruleum
Aesculus pavia
Begonia 'Escargot'
Cotinus 'Grace'
Eragrostis chloromelas
Bouteloua gracilis 'Hachita'
Heuchera 'Silver Scrolls'
Tiarella 'Black Snowflake'
Alocasia 'Stingray'
Lysimachia ciliata 'Firecracker'
Brunnera macrophylla 'Looking Glass'
Hosta 'Sum and Substance'
Mahonia eurybracteata 'Soft Caress'
Acer shirasawanum 'Jordan'
Picea pungens ‘Glauca Pendula'
Trachycarpus fortunei
Ajania pacifica 'Yellow Splash'
Melinus nerviglumis
Dianthus gratianopolitanus
Leucothoe axillaris
Thalictrum minus
Phyllostachys nigra
Juniperus horizontalis 'Wiltonii'
Calocedrus decurrens
Hibiscus 'Kopper King'
Rosa rugosa var. alba
Isolepis cernua
Physocarpus opulifolius 'Seward'
Stipa gigantea
Viburnum  × burkwoodii 'Mohawk'
Ginkgo biloba
Sedum kamtschaticum 'Weihenstephaner Gold'
Acer palmatum var. dissectum
Plectranthus argentatus