Aquilegia canadensis 'Corbett'
Tropaeolum majus 'Vesuvius'
Eccremocarpus scaber
Eucalyptus neglecta
Tetrapanax papyrifer
Thuja occidentalis 'Bobazam'
Begonia 'Crackling Fire'
Agastache cana
Arbutus unedo 'Elfin King'
Solidago nemoralis
Aronia arbutifolia
Calocedrus decurrens
Kolkwitzia amabilis
Geranium cinereum ‘Ballerina’
Saruma henryi
Salvia chamaedryoides
Parthenium integrifolium
Nigella damascena and cvs.
Teucrium chamaedrys
Solidago juncea
Achillea millefolium
Alcea rosea
Pelargonium sidoides
Salix integra 'Hakuro-nishiki'
Plectranthus forsteri 'Green on Green'
Dianthus 'Neon Star'
Jasminum nudiflorum
Allium caeruleum
Cosmos bipinnatus 'Sea Shells'
Salvia 'Indigo Spires'
Buddleia davidii
Zinnia grandiflora
Origanum laevigatum and cvs.
Coreopsis verticillata ‘Moonbeam’
Aster  × frikartii
Fallugia paradoxa
Aster  × frikartii 'Wonder of Staffa'
Sedum spurium 'Fuldaglut'
Echinacea 'Sunset'
Thymus serphyllum 'Annie Hall'
Ipomoea tricolor and cvs.
Chamaemelum nobile and cvs.
Hosta 'Sum and Substance'
Allium christophii
Yucca gloriosa
Dyckia fosteriana 'Cherry Cola'
Illicium mexicanum
Cosmos bipinnatus 'Sensation Series'
Saccharum arundinaceum
Aquilegia alpina
Dianthus 'Bath's Pink'
Salvia 'Maraschino'
Delosperma cooperi
Molinia caerulea ssp. arundinacea 'Sky Racer'
Colchicum autumnale
Echinacea angustifolia
Evolvus Blue My Mind™
Veronica peduncularis 'Georgia Blue'
Hosta 'Sun Power'
Scabiosa ‘Butterfly Blue'
Agastache 'Desert Sunrise'
Salvia microphylla var. neurepia
Lathyrus odoratus and cvs.
Kalmia latifolia and cvs.
Achillea 'Moonshine'
Salvia reptans
Impatiens auricoma 'Jungle Gold'
Hosta ‘August Moon’
Lavandula angustifolia 'Violet Intrigue'
Erigeron karvinskianus
Juniperus  × pfitzeriana ‘Daub’s Frosted’
Euphorbia antisyphilitica
Festuca glauca 'Elijah Blue'
Elymus arenarius
Andropogon gerardii 'Pawnee'
Echinacea 'Twilight'
Hosta kikutii 'Hillbilly Blues'
Paulownia tomentosa
Robinia pseudoacacia 'Frisia'
Teucrium chamaedrys var. compactum
Lilium candidum
Caryopteris × clandonensis 'Longwood Blue'
Agave parryi
Geum 'Mango Lassi'
Salvia officinalis 'Purpurascens'
Yucca filamentosa ‘Color Guard’
Callistemon citrinus 'Splendens'
Amaranthus tricolor and cvs.
Argyranthemum frutescens
Helleborus foetidus
Echinacea purpurea ‘Bright Star’
Cosmos bipinnatus 'Sonata Dwarf Mix'
Asarum shuttleworthii 'Callaway'
Saccharum ravennae
Veronica pectinata
Eremurus robustus
Sedum 'Autumn Delight'
Agastache ‘Summer Breeze’
Caryopteris incana 'Jason'
Salvia pratensis