Colocasia esculenta 'Black Beauty'
Acalypha wilkesiana ‘Tricolor’
Thymophylla tenuiloba
Vinca minor 'Illumination'
Brunnera macrophylla 'Looking Glass'
Tilia americana
Eucomis comosa
Rodgersia podophylla
Disporum sessile 'Variegatum'
Heuchera Dolce® Licorice
Athyrium 'Ghost'
Acer rubrum
Tiarella 'Mint Chocolate'
Brunnera macrophylla 'Langtrees'
Salvia officinalis 'Purpurascens'
Agave americana
Rosa 'Frau Dagmar Hastrup'
Plectranthus argentatus
Corydalis solida
Yucca glauca
Aster lateriflorus ‘Lady in Black’
Heuchera ‘TNHEU042’
Solenostemon scutellarioides Colorblaze® 'Alligator Tears'™
Heuchera 'Crimson Curls'
Hydrangea quercifolia ‘Snow Queen’
Cotinus 'Grace'
Himalayacalamus falconeri ‘Damarapa’
Lysimachia nummularia
Berberis thunbergii
Geranium 'Ann Folkard'
Mukdenia rossii 'Crimson Fans'
Salvia argentea
Kalimeris yomena
Dryopteris tokyoensis
Dalea greggii
Tulipa greigii 'Calypso'
Michelia x MicJUR01 'Fairy Magnolia' 
Astilboides tabularis
Dianthus gratianopolitanus
Fouquieria splendens
Leucothoe axillaris
Begonia 'Green Gold'
Plectranthus purpuratus
Polystichum munitum
Viburnum rhytidophyllum
Cynara cardunculus
Bouteloua gracilis 'Hachita'
Arum italicum
Ligularia tussilaginea 'Gigantea'
Nandina domestica
Dianthus 'Neon Star'
Gunnera manicata
Athyrium niponicum var. 'Pictum'
Solenostemon scutellarioides ‘Mariposa’
Thalictrum aquilegiifolium
Sedum spurium 'Fuldaglut'
Euonymus alatus
Rosa rugosa var. alba
Geranium cinereum ‘Ballerina’
Kolkwitzia amabilis
Heuchera 'Marmalade'
Trillium recurvatum
Sedum tetractinum
Smyrnium perfoliatum
Colocasia esculenta 'Fontanesii'
Juniperus squamata ‘Holger’
Chasmanthium latifolium
Trachelium caeruleum
Begonia grandis ssp. evansiana
Euphorbia 'Helena’s Blush™'
Rhododendron williamsianum
Alchemilla mollis
Daphne  × burkwoodii 'Briggs Moonlight'
Corydalis flexuosa 'Purple Leaf'
Vinca minor and cvs.
Mahonia × media 'Charity'
Tulipa greigii 'Red Riding Hood'
Saccharum ravennae
Heuchera 'Green Spice'
Phyllostachys nigra
Metasequoia glyptostroboides
Arisaema sikokianum
Pulmonaria longiflora 'Bertram  Anderson'
Helleborus 'Ivory Prince'
Setcreasea pallida 'Purple Heart'
Sedum kamtschaticum 'Variegatum’
Colocasia esculenta 'Tiger Stripe'
Musa zebrina
Pieris japonica 'Dorothy Wyckoff'
Caryopteris incana 'Jason'
Beta vulgaris 'Bull's Blood'
Alternanthera ficoidea 'Yellow Form'
Ipomoea batatas 'Pink Frost'
Corydalis elata
Juniperus sabina ‘Blue Forest’
Tetrapanax papyrifer
Euphorbia characias
Podophyllum peltatum
Veitchia montgomeryana
Calamagrostis 'Karl Foerster'