September

Physostegia virginiana 'Summer Snow'

Persicaria affinis 'Kabouter'

Pennisetum alopecuroides 'Hameln'

Nepeta racemosa 'Snowflake'

Nepeta racemosa 'Superba'

Nepeta cataria citriodora

Nepeta faassenii 'Grol'

Nepeta faassenii 'Kit Cat'

Ligularia przewalskii

Kalimeris incisa 'Madiva'

Knautia macedonica 'Melton Pastels'

Gaura lindheimeri 'Siskiyou Pink'

Gaillardia 'Amber Wheels'

Gaillardia 'Tokayer'

Eragrostis curvula

Echinacea purpurea 'Rubinstern'

Echinacea purpurea 'Doubledecker'

Cymbalaria pallida 'Alba'

Crocosmia 'Emily McKenzie'

Chelone obliqua 'Alba'

Ceratostigma plumbaginoides

Bouteloua gracilis

Aster 'Herbstgruß vom Bresserhof'

Aster 'Jenny'

Aster 'Lady in Blue'

Aster 'Apollo'

Aster ageratoides 'Asmoe'

Aster ageratoides 'Asran'

Alcea rosea 'Double Scarlet'

Alcea rosea 'Double White'

Agastache 'Blue Fortune'

Verbena officinalis

Anemanthele lessoniana 'Sirocco'

Buphthalmum salicifolium 'Alpengold'

Chaenorhinum origanifolium 'Blue Dream'

Echinops bannaticus 'Blue Glow'

Eupatorium rugosum

Linaria vulgaris

Sidalcea 'Partygirl'

Dianthus barbatus 'Dash Magician'

Dianthus barbatus 'Nigrescens'

Geranium sanguineum 'Hannelore'

Hypericum calycinum 'Rose of Sharon'

Rudbeckia triloba 'Blackjack Gold'

Mentha aquatica

Chelone lyonii 'Pink Temptation'

Kniphofia 'Royal Castle'

Aster 'Rosenwichtel'

Aster 'Kassel'

Aster 'Marjorie'

Calamagrostis epigejos

Solidago flexicaulis 'Flexi Belle'

Aster 'Samoa'

Molinia arundinacea

Artemisia absinthium

Molinia caerulea

Nepeta subsessilis 'Sweet Dreams'

Solidago 'Spätgold'

Rudbeckia triloba 'Prairie Glow'

Molinia caerulea 'Poul Petersen'

Lavandula intermedia 'Alba'

Eupatorium coelestinum

Eragrostis trichodes

Aster 'Wood's Pink'

Aster 'Wood's Light Blue'

Gaura lindheimeri 'Short Form'

Sedum spectabile 'Rosenteller'

Phlox 'Blue Boy'

Schizachyrium scoparium

Verbena bonariensis

Verbena hastata

Stachys monieri 'Hummelo'

Sedum spectabile 'Brillant'

Sedum 'Carl'

Scabiosa columbaria 'Butterfly Blue'

Scabiosa columbaria 'Pink Mist'

Scabiosa ochroleuca

Phlox 'Rembrandt'

Phlox 'Rijnstroom'

Phlox 'Tenor'

Phlox 'Bright Eyes'

Phlox 'Amethyst'

Pennisetum alopecuroides 'Little Bunny'

Panicum virgatum 'Warrior'

Oenothera macrocarpa

Muhlenbergia capillaris

Nepeta faassenii 'Blue Wonder'

Nepeta faassenii 'Senior'

Monarda 'Scorpion'

Molinia caerulea 'Edith Dudszus'

Molinia caerulea 'Heidezwerg'

Molinia caerulea 'Moorflamme'

Monarda 'Kardinal'

Isotoma fluviatilis

Kalimeris incisa 'Alba'

Kalimeris incisa 'Blue Star'

Hemerocallis 'Stella de Oro'

Geranium sanguineum 'Aviemore'

Gaura lindheimeri 'Whirling Butterflies'

Fuchsia 'Tom Thumb'