September

Monarda 'Bee-True'

Nepeta faassenii 'Purrsian Blue'

Pennisetum thunbergii

Salvia nemorosa 'Rose Marvel'

Saponaria sicula var. intermedia

Thymus capitatus

Tradescantia 'Good Luck'

Tradescantia 'Mac's Double'

Tradescantia 'Ocean Blue'

Verbena macdougalii 'Lavender Spires'

Alcea rosea 'Crème de Cassis'

Aster ericoides 'Alaska'

Aster novi-belgii 'Zauberspiel'

Aster 'Primrose Path'

Campanula sarmatica

Echinacea purpurea 'Mellow Yellow'

Gaura lindheimeri 'Cool Breeze'

Gaura lindheimeri 'Gaudi Pink'

Gaura lindheimeri 'Gaudi Red'

Gaura lindheimeri 'Snowbird'

Kalimeris incisa 'Jürgen Wever'

Lavatera thuringiaca

Molinia arundinacea 'Black Arrow'

Monarda 'Balmy Lilac'

Monarda 'Balmy Purple'

Monarda 'Balmy Rose'

Monarda 'Bee-Bright'

Monarda 'Bee-Pure'

Nepeta 'Cat's Pajamas'

Nepeta 'Florina'

Origanum laevigatum 'Purple Charm'

Pennisetum alopecuroides 'Burgundy Bunny'

Pennisetum alopecuroides 'Peppa Pig'

Phlox 'Uspech'

Solidago sempervirens 'Goldene Wellen'

Solidago virgaurea 'Variegata'

Tradescantia 'Perinne's Pink'

Verbena officinalis 'Bampton'

Coronilla varia

Aster 'Herbstpurzel'

Aster novi-belgii 'Rosa Perle'

Aster 'Rosa Zwerg'

Astilbe chinensis 'Cardinal'

Geranium sanguineum 'Bloody Graham'

Molinia arundinacea 'Les Ponts de Cé'

Monarda 'Balmy White'

Nepeta racemosa 'Amelia'

Tradescantia 'Valour'

Aster 'Azurro'

Aster 'Blauer Zwerg'

Aster 'Heinz Richard'

Coreopsis verticillata 'Fool's Gold'

Fuchsia regia subsp. reitzii

Pycnanthemum virginicum

Lobelia siphilitica 'Donker Blauw'

Solidago drummondii

Solidago 'Dennis Strange'

Aster novi-belgii 'Lisette'

Nepeta racemosa 'Schneeweißchen'

Agastache 'Spicey'

Salvia nemorosa 'Dark Blue Marvel'

Phlox 'Nirvana'

Phlox 'Flame Purple Eye'

Phlox 'Flame White Eye'

Phlox 'Flame Coral'

Phlox 'Flame Pink'

Chrysanthemum 'Corinna'

Chrysanthemum 'Fellbacher Wein'

Chrysanthemum 'Julia'

Chrysanthemum 'Dernier Soleil'

Chrysogonum virginianum 'Pierre'

Chrysanthemum 'Feuerzauber'

Chrysanthemum 'Poesie'

Chrysanthemum 'Red Velvet'

Gaura lindheimeri 'Tutti Frutti'

Chrysanthemum 'Mary Stoker'

Chrysanthemum 'Mei-kyo'

Gaura lindheimeri 'Summer Emotions'

Chrysanthemum 'Duchess of Edinburgh'

Salvia verticillata 'Endless Love'

Scabiosa caucasica 'Fama'

Phlox amplifolia 'Augenstern'

Heliopsis helianthoides 'Asahi'

Calamintha nepeta 'Gottfried Kühn'

Agastache 'After Eight'

Veronicastrum virginicum 'Album'

Veronicastrum virginicum 'Apollo'

Veronicastrum virginicum 'Fascination'

Knautia macedonica

Gaura lindheimeri 'Corrie's Gold'

Erodium reichardii 'Album'

Chrysanthemum 'Anastasia'

Chrysanthemum 'Bienchen'

Chrysanthemum 'Clara Curtis'

Aster pyrenaeus 'Lutetia'

Aster frikartii 'Mönch'

Aster cordifolius 'Ideal'

Aster cordifolius 'Silver Spray'

Anthemis hybrida 'Dwarf Form'

Chrysanthemum 'Ceddie Mason'