August

Kniphofia rooperi

Lavandula angustifolia 'Peter Pan'

Lewisia 'Little Raspberry'

Aster thomsonii

Tricyrtis hirta 'Alba'

Aster amellus 'Danzig'

Nepeta faassenii 'Junior Walker'

Panicum amarum 'Dewey Blue'

Hosta 'Queen Josephine'

Eupatorium coelestinum 'Corey'

Salvia guaranitica 'Blue Enigma'

Pennisetum macrourum

Helenium 'Loysder Wieck'

Agastache 'Linda'

Monarda menthifolia 'Pummel'

Salvia officinalis 'Würzburg'

Adenophora confusa 'Hemelstraling'

Aster novae-angliae 'Abendsonne'

Aster 'Ann Leys'

Vitex agnus-castus

Scabiosa columbaria 'Mariposa Blue'

Phlox 'Larissa'

Campanula lactiflora 'White Pouffe'

Hemerocallis 'Bakabana'

Aster amellus 'Dr Otto Petschek'

Pennisetum alopecuroides 'Pauls Giant'

Phygelius rectus 'African Queen'

Solidago 'Hiddigeigei'

Sedum spectabile 'Abendrot'

Sedum spectabile 'Lisa'

Salvia nemorosa 'Plumosa'

Pycnanthemum flexuosum

Pennisetum alopecuroides 'National Arboretum'

Persicaria virginiana 'Compton's Form'

Molinia caerulea 'Rotschopf'

Iberis 'Masterpiece'

Hosta 'Blue Angel'

Helenium 'Mahagoni'

Helenium 'Septembergold'

Helenium 'Wonadonga'

Helianthus decapetalus 'Sunshine Daydream'

Helenium 'Adios'

Helenium 'Flammenrad'

Geranium versicolor

Coreopsis 'Full Moon'

Aster amellus 'Brilliant'

Achillea millefolium 'Schneetaler'

Achillea 'Saucy Seduction'

Hosta 'Blue Mammoth'

Veronicastrum sibiricum 'Red Arrows'

Agastache mexicana 'Red Fortune'

Monarda fistulosa x tetraploid

Aster ageratoides 'Starshine'

Aster frikartii 'Jungfrau'

Nepeta grandiflora 'Pool Bank'

Gypsophila 'Jolien'

Helianthus decapetalus 'Soleil d'Or'

Veronicastrum virginicum 'Lavendelturm'

Veronicastrum virginicum 'Pink Glow'

Veronicastrum virginicum 'Roseum'

Veronicastrum virginicum 'Erika'

Scutellaria scordiifolia

Saponaria officinalis 'Rosea Plena'

Salvia nemorosa 'Viola Klose'

Salvia nemorosa 'Schwellenburg'

Salvia guaranitica 'Black and Blue'

Persicaria microcephala 'Red Dragon'

Pennisetum villosum

Oenothera 'African Sun'

Monarda 'Pink Lace'

Molinia arundinacea 'Cordoba'

Lobelia speciosa 'Russian Princess'

Liriope muscari 'Big Blue'

Lewisia 'Little Plum'

Lewisia 'Regenbogen'

Leucanthemum 'Christine Hagemann'

Hosta 'Minuteman'

Hosta 'Blue Cadet'

Hosta clausa var. normalis

Helianthus decapetalus 'Capenoch Star'

Helianthus decapetalus 'Meteor'

Helianthus giganteus 'Sheila's Sunshine'

Helianthus microcephalus

Helenium 'Moerheim Beauty'

Helenium 'Rauchtopas'

Helenium 'Flammendes Käthchen'

Helenium 'Goldrausch'

Geranium nodosum

Geranium ibericum

Geranium magnificum 'Turco'

Geranium cinereum subcaulescens

Erysimum 'Bowles Mauve'

Campanula lactiflora 'Alba'

Aster frikartii 'Wunder von Stäfa'

Aster 'Little Carlow'

Aster amellus 'Blue King'

Aster amellus 'Breslau'

Aster amellus 'Glucksfund'

Aster amellus 'King George'

Aster amellus 'Rosa Erfüllung'