Perennials
 

 Ajuga 'Chocolate Chip' Ajuga reptans 'Burgundy Glow'
Campanula 'Birch Hybrid' Asclepias tuberosa
Aster Novae-angliae 'Purple Dome' Coreopsis 'Zagreb'
Dianthus 'Mountain Mist' Dianthus 'Tiny Rubies'
Echinacea 'Kim's Knee High' Echinacea 'Magnus'
Echinacea 'Ruby Giant' Echinacea 'White Swan'
Gaillardia 'Goblin' Geranium "Johnson Blue'
Heuchera 'Amber Waves' Heuchera 'Palace Purple'
Heucherella 'Kimono' Iris pallida 'Variegata'
Knautia macedonica Lamium maculatum 'Orchid Frost'
Nepeta 'Six Hills Giant' Nepeta 'Walker's Low'
Perovskia 'Filagran' Phlox subulata 'Emerald Blue'
Platycodon 'Sentimental Blue' Pulmonaria 'Cotton Cool'
Pulmonaria 'Majeste' Pulmonaria 'Mrs. Kittle'
Rosa 'Scarlet Meidiland' Rudbeckia fulgida 'Godsturm'
 Salvia lyrata 'Burgundy Bliss' Salvia 'Purple Rain'
 Salvia 'India Spires' Sedum 'Autumn Joy'
Sedum 'Matrona' Tiarella 'Neon Lights'