August

Hosta 'Regal Splendor'

Kitaibelia vitifolia

Sedum telephium 'Thunderhead'

Helenium 'Short and Sassy'

Sporobolus heterolepis 'Cloud'

Veronica 'Blue Indigo'

Sanguisorba officinalis 'Morning Select'

Potentilla 'William Rollisson'

Hosta 'Devon Green'

Geum 'Lemon Drops'

Erigeron 'Mrs E.H. Beale'

Carex brunnea 'Aureomarginata'

Carex brunnea 'Variegata'

Adenophora 'Gaudi Violet'

Sanguisorba officinalis 'Pink Tanna'

Panicum virgatum 'Cloud Nine'

Morina longifolia

Malva 'Park Frieden'

Malva 'Park Rondell'

Liriope muscari 'Royal Purple'

Lavatera 'Lilac Lady'

Eryngium planum 'Blauer Zwerg'

Ceratostigma griffithii

Artemisia 'Canescens'

Alchemilla faeroensis var. pumila

Gladiolus papilio 'Ruby'

Aster thomsonii 'Nanus'

Eupatorium rugosum 'Lucky Melody'

Helianthus 'Flying Saucers'

Hemerocallis 'Brilliant Circle'

Aconitum vulparia

Agastache 'Beelicious Purple'

Carex brunnea 'Racing Green'

Eragrostis spectabilis 'Purpurflirren'

Lavatera 'Duet'

Persicaria alpinum

Salvia 'Feathers Flamingo'

Sanguisorba 'Crimson Queen'

Hemerocallis 'Campfire Embers'

Phygelius 'Candy Drops Cream'

Phygelius 'Candy Drops Tangerine'

Geranium yesoense var. nipponicum

Persicaria campanulata 'CBCH292'

Salvia 'Feathers Peacock'

Helenium 'Kupferziegel'

Salvia 'Amber'

Allium lusitanicum 'Lisa Green'

Senna hebecarpa

Aloysia triphylla 'Orange'

Achillea 'Hartington White'

Hosta 'T-Rex'

Coreopsis 'Bengal Tiger'

Coreopsis 'Buttermilk'

Allium 'Sugar Melt'

Parahebe catarractae 'Avalanche'

Helianthus 'Double Whammy'

Astrantia major 'Rosensinfonie'

Amsonia illustris

Lobelia 'Hadspen Purple'

Helianthus 'Happy Days'

Leucanthemum 'Goldfinch'

Veronica 'First Lady'

Veronicastrum virginicum 'Adoration'

Perovskia atriplicifolia 'Silvery Blue'

Panicum virgatum 'Cardinal'

Filipendula palmata 'Rosa Schleier'

Filipendula purpurea 'Alba'

Eupatorium maculatum 'Augustrubin'

Coreopsis 'Creme Brulee'

Anemone hupehensis 'Little Princess'

Stokesia laevis 'Träumerei'

Persicaria amplexicaulis 'Heutinck'

Tricyrtis 'Sinonome'

Stipa gigantea

Silphium perfoliatum

Potentilla 'Gibson's Scarlet'

Persicaria amplexicaulis 'Rosea'

Persicaria amplexicaulis 'Taurus'

Persicaria amplexicaulis

Ophiopogon japonicus 'Minor'

Macleaya microcarpa 'Kelways Coral Plume'

Malva sylvestris 'Dema' (Marina)

Lavatera 'Silver Barnsley'

Hosta ventricosa

Hosta 'Whirlwind'

Hosta 'Sum and Substance'

Hemerocallis 'Final Touch'

Helenium 'Mardi Gras'

Helenium 'Baudirektor Linne'

Filipendula palmata 'Göteborg'

Eupatorium 'Baby Joe'

Eupatorium maculatum 'Gateway'

Eupatorium maculatum 'Glutball'

Baptisia australis

Rubus taiwanicola

Coreopsis 'Honeybunch Red and Gold'

Allium angulosum 'Summer Beauty'

Echinops gmelinii 'Snow King'

Hemerocallis 'Mildred Mitchell'

Hemerocallis 'South Seas'