September

Salvia nemorosa 'Ostfriesland'

Nepeta faassenii

Agastache 'Blue Fortune'

Verbena bonariensis

Salvia nemorosa 'Rose Queen'

Sedum kamtschaticum

Pennisetum alopecuroides

Gaillardia 'Kobold'

Echinacea purpurea 'White Swan'

Echinacea purpurea 'Magnus'

Echinacea purpurea

Buphthalmum salicifolium

Salvia nemorosa 'Blaukönigin'

Lobelia siphilitica

Coreopsis grandiflora 'Presto'

Aster ageratoides 'Ashvi'

Tricyrtis hirta

Sedum 'Matrona'

Scabiosa caucasica 'Perfecta'

Scabiosa caucasica 'Perfecta Alba'

Potentilla neumanniana

Nepeta nervosa

Nepeta racemosa 'Grog'

Nepeta faassenii 'Alba'

Nepeta faassenii 'Six Hills Giant'

Molinia caerulea 'Heidebraut'

Echinops bannaticus 'Blue Globe'

Echinops ritro

Echinacea purpurea 'Leuchtstern'

Chasmanthium latifolium

Calamintha nepeta

Aster amellus 'Rudolf Goethe'

Heuchera sanguinea 'Bressingham Hybrids'

Helenium 'Rotgold'

Hyssopus officinalis subsp. aristatus

Aster 'Anneke'

Echinacea purpurea 'Bright Rose'

Solidago 'Goldkind'

Verbena rigida

Sedum kamtschaticum 'Variegatum'

Sedum cauticola 'Lidakense'

Scabiosa ochroleuca

Salvia nemorosa 'Mainacht'

Rudbeckia occidentalis 'Green Wizard'

Panicum virgatum 'Squaw'

Nepeta faassenii 'Grol'

Linaria purpurea

Kalimeris incisa 'Madiva'

Knautia macedonica 'Melton Pastels'

Hypericum calycinum

Gaura lindheimeri

Echinops bannaticus 'Taplow Blue'

Echinacea purpurea 'Rubinstern'

Chelone obliqua 'Alba'

Ceratostigma plumbaginoides

Aster 'Jenny'

Aster ageratoides 'Asmoe'

Aster ageratoides 'Asran'

Aster 'Alice Haslam'

Anaphalis triplinervis

Aconitum cammarum 'Arendsii'

Buphthalmum salicifolium 'Alpengold'

Sidalcea 'Partygirl'

Hypericum calycinum 'Rose of Sharon'

Mentha aquatica

Salvia nemorosa 'Synchro Pink'

Saponaria officinalis

Aster 'Marjorie'

Aster 'Mittelmeer'

Aster 'Zwergenhimmel'

Rudbeckia triloba 'Prairie Glow'

Lavandula intermedia 'Alba'

Heliopsis helianthoides 'Summer Sun'

Geranium sanguineum 'Inverness'

Nepeta faassenii 'Dropmore'

Solidago 'Strahlenkrone'

Sedum 'Herbstfreude'

Phlox 'Tenor'

Persicaria affinis 'Darjeeling Red'

Persicaria affinis 'Superba'

Nepeta faassenii 'Blue Wonder'

Nepeta faassenii 'Kit Cat'

Nepeta faassenii 'Senior'

Molinia caerulea 'Edith Dudszus'

Molinia caerulea 'Heidezwerg'

Lobelia fulgens 'Queen Victoria'

Isotoma fluviatilis

Kalimeris incisa 'Alba'

Hemerocallis 'Stella de Oro'

Gaura lindheimeri 'Whirling Butterflies'

Fuchsia magellanica 'Gracilis'

Erodium variabile 'Bishop's Form'

Eragrostis curvula

Cymbalaria pallida 'Alba'

Coreopsis verticillata 'Grandiflora'

Chelone obliqua

Aster 'Schneekissen'

Aster 'Prof. Anton Kippenberg'

Aster 'Lady in Blue'

Aster 'Apollo'