Prärie

Agastache foeniculum

Echinops bannaticus ‘Blue Globe’

Echinops bannaticus ‘Taplow Blue’

Catananche caerulea

Baptisia australis

Salvia nemorosa 'Blauhügel'

Salvia nemorosa ‘Blaukönigin’

Salvia nemorosa ‘Mainacht’

Salvia nemorosa ‘Ostfriesland’

Limonium latifolium

Veronica spicata

Veronica gentianoides

Veronica longifolia 'Blauriesin'

Veronica austriaca ‘Knallblau’

Verbena hastata ‘Blue Spires’

Verbena hastata ‘White Spires’

Kniphofia ‘Alcazar’

Kniphofia 'Mango Popsicle'®

Kniphofia uvaria ‘Royal Castle’

Erigeron hybride 'Azure Beauty'

Centaurea montana ‘Coerulea’

Aster frikartii 'Mönch’

Nepeta nervosa

Amsonia tabernaemontana

Sisyrinchium angustifolium

Scabiosa caucasica ‘Perfecta’

Phlox (P) ‘Blue Paradise’

Phlox (P) ‘Orange Perfection’

Phlox (P) ‘Uspech' (=Laura')

Helenium hoopesii

Veronicastrum virginicum 'Lavendelturm'

Nepeta faassenii

Nepeta faassenii ‘Six Hills Giant’

Nepeta faassenii ‘Walker’s Low’

Nepeta mussinii

Gentiana septemfida 'Lagodechiana'