Euphorbia griffithii
Perovskia atriplicifolia
Achillea ‘Coronation Gold’
Symphoricarpos  × doorenbosii 'Kordes'
Euonymus fortunei 'Minimus'
Salvia pachyphylla
Solidago rugosa 'Fireworks'
Sedum spurium 'Fuldaglut'
Salvia azurea
Larix kaempferi
Eschscholzia californica
Impatiens auricoma 'Jungle Gold'
Verbascum 'Sugar Plum'
Lagerstroemia 'GAMAD I'
Kolkwitzia amabilis
Verbascum chaixii
Saccharum ravennae
Echinacea purpurea 'Kim's Knee High'
Salvia greggii
Agastache foeniculum 'Golden Jubilee'
Helictotrichon sempervirens
Callistemon citrinus 'Splendens'
Himalayacalamus falconeri ‘Damarapa’
Acer saccharum 'Caddo'
Gardenia augusta 'MADGA 1'
Euphorbia amygdaloides ‘Rubra’
Crocus speciosus
Hamelia patens
Bouteloua gracilis
Aster  × frikartii
Viola ‘Etain’
Coreopsis verticillata ‘Moonbeam’
Ipomoea  × multifida
Jasminum nudiflorum
Allium giganteum
Hosta 'Sum and Substance'
Achillea millefolium 'Terracotta'
Euphorbia dulcis
Aquilegia vulgaris
Potentilla fruticosa
Lonicera sempervirens
Laburnum  × watereri
Epimedium × rubrum
Sedum rupestre
Calamintha nepeta
Silene regia
Agastache rugosa
Aquilegia canadensis
Yucca gloriosa
Salvia officinalis 'Berggarten'
Caryopteris incana 'Jason'
Andropogon gerardii 'Pawnee'
Amelanchier alnifolia
Juniperus chinensis 'Iowa'
Argyranthemum frutescens
Aeonium arboreum  'Zwartkop'
Centranthus ruber
Sedum kamtschaticum
Clematis integrifolia Mongolian Bells™
Aquilegia flabellata
Sisyrinchium striatum
Penstemon digitalis 'Husker Red'
Knautia macedonica
Anemone blanda
Salvia nemorosa
Goodyera pubescens
Origanum laevigatum and cvs.
Agastache cana
Draba aizoides
Buddleia davidii
Solidago cutleri 'Goldrush'
Rubus pentalobus
Elymus arenarius
Allium caeruleum
Loropetalum chinense 'Chang Nian Hong'
Scabiosa ‘Butterfly Blue'
Asarum shuttleworthii 'Callaway'
Hosta 'Piedmont Gold'
Thymus polytrichus subsp. britannicus
Baptisia 'Chocolate Chip'
Salvia  × sylvestris 'Blue Hill'
Hakea laurina
Penstemon cardinalis
Zauschneria arizonica
Santolina chamaecyparissus
Echinacea angustifolia
Echinacea 'Art's Pride'
Agave parryi
Zinnia grandiflora
Lamium galeobdolon 'Hermann's Pride'
Arbutus unedo 'Elfin King'
Thymus pseudolanuginosus
Hosta 'Little Aurora'
Nigella damascena and cvs.
Juniperus sabina ‘Blue Forest’
Lilium candidum
Teucrium chamaedrys
Deutzia crenata var. nakaiana 'Nikko'
Eucalyptus neglecta
Kalmia latifolia and cvs.