August

Astrantia major 'Florence'

Astrantia major 'Milano'

Astilbe 'Montgomery'

Astrantia major 'Pink Promise'

Astrantia major 'Red Joyce'

Astrantia major 'Roma'

Astrantia major 'Red Promise'

Astrantia major 'Shaggy'

Astrantia major 'Star of Love'

Astrantia major 'Snow Star'

Astrantia major 'Sparkling Stars White'

Astrantia major 'Venice'

Aster novae-angliae 'Andenken an Paul Gerber'

Aster novae-angliae 'Harrington's Pink'

Aster novi-belgii 'Crimson Brocade'

Aster novi-belgii 'Eventide'

Aster novi-belgii 'Patricia Ballard'

Aster novi-belgii 'Schöne von Dietlikon'

Aster 'Nesthäkchen'

Aster 'Primrose Path'

Aster 'Rosa Zwerg'

Aster 'Schneekissen'

Aster spectabilis 'Ile de Montreal'

Aster spectabilis 'Macho Blue'

Astilbe 'Spinell'

Astilbe 'Sprite'

Aster 'Starlight'

Astilbe 'Straußenfeder'

Asclepias tuberosa

Aster umbellatus 'Weisser Schirm'

Aster versicolor 'Altweibersommer'

Astilbe 'Vesuvius'

Astilbe chinensis 'Vision in Pink'

Astilbe 'Vision Vulcano'

Aster 'Wood's Pink'

Astilbe 'Younique Lilac'

Aster 'Zwergenhimmel'

Baptisia australis

Baptisia 'Blueberry Sundae'

Ballota nigra

Belamcanda chinensis 'Hello Yellow'

Bidens aurea 'Hannay's Lemon Drop'

Boehmeria sieboldiana

Buphthalmum salicifolium

Buphthalmum salicifolium 'Alpengold'

Calamagrostis acutiflora 'Eldorado'

Calamagrostis acutiflora 'England'

Calamagrostis acutiflora 'Karl Foerster'

Calamagrostis acutiflora 'Overdam'

Arnoglossum atriplicifolia

Calamagrostis acutiflora 'Waldenbuch'

Carex brunnea 'Aureomarginata'

Campanula 'Birch Hybrid'

Calamagrostis brachytricha

Carex bromoides

Catananche caerulea

Campanula carpatica 'Blaue Clips'

Caryopteris clandonensis 'Emerald Crest'

Caryopteris clandonensis 'Heavenly Blue'

Campanula cochleariifolia 'Jingle Blue'

Campanula cochleariifolia 'Jingle White'

Caryopteris divaricata

Campanula glomerata 'Alba'

Campanula garganica

Cardiocrinum giganteum

Carex grayi

Campanula garganica 'Senior'

Campanula lactiflora 'Prichard's Variety'

Calamintha nepeta 'Gottfried Kühn'

Campanula latifolia 'Alba'

Campanula poscharskyana 'Nana Alba'

Carex muskingumensis

Calamintha nepeta 'Marvelette Blue'

Calamintha nepeta

Carex pendula

Campanula poscharskyana 'Frühlingszauber'

Campanula portenschlagiana

Campanula poscharskyana

Campanula poscharskyana 'Stella'

Campanula poscharskyana 'Trollkind'

Campanula pyramidalis

Carex muskingumensis 'Variegatus'

Catananche caerulea 'Alba'

Carex tenuiculmis

Centaurea dealbata

Ceratostigma griffithii

Centaurea hypoleuca 'John Coutts'

Centaurea macrocephala

Centaurea montana 'Amethyst Dream'

Centaurea montana 'Alba'

Centaurea montana 'Amethyst in Snow'

Centaurea montana 'Black Sprite'

Centaurea montana 'Carnea'

Centaurea montana 'Coerulea'

Centaurea montana 'Jordy'

Centaurea montana 'Purple Heart'

Centaurea montana 'Sky Jep'

Centaurea montana 'Violetta'

Centaurea rhaetica

Centranthus ruber 'Coccineus'