Geranium macrorrhizum ‘Spessart’

Geranium sanguineum

Echinacea Butterfly™ ‘Cleopatra’ PP24631

Echinacea Butterfly™ Orange Skipper™ (‘Orange273’ PPAF)

Echinacea Butterfly™ ‘Purple Emperor’ PP24459

Echinacea Pixie Meadowbrite™ (‘CBG Cone2’ PP18546)

Echinacea purpurea ‘Magnus’

Echinacea purpurea ‘Ruby Star’

Echinacea purpurea ‘White Swan’

Echinacea purpurea Cone-Fections™ ‘Butterfly Kisses’ PP24458

Echinacea purpurea PowWow® White

Echinacea purpurea PowWow® Wild Berry

Calamintha nepeta ‘Blue Cloud’

Calamintha nepeta ‘Montrose White’

Calamintha nepeta ssp. nepeta

Campanula carpatica ‘Rapido Blue’

Campanula carpatica ‘Rapido White’

Campanula glomerata ‘Freya’ PP22738

Caryopteris x clandonensis ‘Dark Knight’

Amsonia ‘Blue Ice’

Amsonia tabernaemontana var. salicifolia

Anemone ‘Honorine Jobert’

Anemone hupehensis Fantasy™ ‘Pocahontas’ PP25352

Anemone sylvestris

Aster ‘Bridal Veil’ PP23966

Aster ‘Wood’s Light Blue’

Aster cordifolius ‘Avondale’

Aster divaricatus

Aster laevis ‘Bluebird’

Aster novae-angliae ‘Purple Dome’

Acanthus mollis

Acanthus spinosus

Agastache ‘Black Adder’

Agastache ‘Blue Fortune’

Agastache ‘Purple Haze’

Agastache ‘Rosie Posie’ PP25857

Agastache aurantiaca ‘Tango’

Ajuga reptans ‘Black Scallop’ PP15815

Ajuga reptans ‘Chocolate Chip’

Allium schoenoprasum ‘Forescate’

Allium schoenoprasum ‘Rising Star’

Allium schoenoprasum ‘Snowcap’