September

Nepeta faassenii

Rudbeckia fulgida 'Goldsturm'

Pennisetum alopecuroides

Salvia nemorosa 'Blaukönigin'

Verbena bonariensis

Sedum kamtschaticum

Gaillardia 'Kobold'

Echinacea purpurea 'White Swan'

Echinacea purpurea 'Magnus'

Coreopsis grandiflora 'Early Sunrise'

Buphthalmum salicifolium

Anthemis hybrida 'Kelwayi'

Lobelia siphilitica

Coreopsis grandiflora 'Sonnenkind'

Eupatorium purpureum

Coreopsis grandiflora 'Presto'

Aster ageratoides 'Ashvi'

Tricyrtis hirta

Sedum 'Matrona'

Sedum 'Herbstfreude'

Scabiosa caucasica 'Perfecta'

Salvia nemorosa 'Ostfriesland'

Rudbeckia triloba

Physostegia virginiana 'Crystal Peak White'

Nepeta racemosa 'Grog'

Nepeta faassenii 'Alba'

Nepeta faassenii 'Six Hills Giant'

Nepeta faassenii 'Walker's Low'

Molinia caerulea 'Heidebraut'

Molinia caerulea 'Moorhexe'

Erigeron karvinskianus

Echinops bannaticus 'Blue Globe'

Echinops ritro

Echinacea purpurea 'Leuchtstern'

Calamintha nepeta 'Blue Cloud'

Calamintha nepeta

Aster 'Prof. Anton Kippenberg'

Anaphalis triplinervis

Herniaria glabra

Salvia nemorosa 'Synchro Blue'

Salvia nemorosa 'Synchro White'

Helenium 'Rotgold'

Aster 'Zwergenhimmel'

Aster 'Anneke'

Echinacea purpurea 'Bright Rose'

Solidago 'Goldkind'

Malva sylvestris 'Zebrina'

Lysimachia ephemerum

Sedum cauticola 'Lidakense'

Salvia nemorosa 'Mainacht'

Rudbeckia occidentalis 'Green Wizard'

Physostegia virginiana 'Summer Snow'

Pennisetum alopecuroides 'Hameln'

Panicum virgatum 'Shenandoah'

Panicum virgatum 'Squaw'

Nepeta racemosa 'Snowflake'

Nepeta faassenii 'Grol'

Kalimeris incisa 'Madiva'

Geranium sanguineum 'Tiny Monster'

Gaura lindheimeri

Eragrostis spectabilis

Echinacea purpurea 'Rubinstern'

Echinacea purpurea

Chelone obliqua 'Alba'

Ceratostigma plumbaginoides

Aster 'Herbstgruß vom Bresserhof'

Aster 'Jenny'

Aster ageratoides 'Asmoe'

Aster ageratoides 'Asran'

Aster 'Alice Haslam'

Agastache 'Blue Fortune'

Aconitum cammarum 'Arendsii'

Tanacetum parthenium

Eupatorium rugosum

Sidalcea 'Partygirl'

Mentha aquatica

Aster 'Kassel'

Aster 'Marjorie'

Aster 'Samoa'

Rudbeckia triloba 'Prairie Glow'

Lavandula intermedia 'Alba'

Geranium sanguineum 'Inverness'

Phlox 'Blue Boy'

Nepeta faassenii 'Dropmore'

Solidago 'Strahlenkrone'

Sedum spectabile 'Brillant'

Sedum ewersii

Sedum 'Carl'

Phlox 'Rembrandt'

Phlox 'Rijnstroom'

Phlox 'Tenor'

Phlox 'Bright Eyes'

Phlox 'Blue Paradise'

Phlox 'Amethyst'

Origanum laevigatum 'Herrenhausen'

Oenothera macrocarpa

Nepeta cataria citriodora

Nepeta faassenii 'Blue Wonder'

Nepeta faassenii 'Kit Cat'

Nepeta faassenii 'Senior'