Chilean crocus, for the enthusiast, plant in a cold greenhouse just in case. The gentian blue flowers appear in the spring.
Reineckea incurva 'Crug's Linearleaf'
Rubus idaeus 'Summer Chef'
Physocarpus opulifolius 'Spicy Devil'
Hydrangea pan. 'Unique'
Actaea 'Hillside Black Beauty'
Allium 'Lavender Bubbles'
Camellia japonica 'Roger Hall'
Wisteria formosa 'Issai'
Leucojum aestivum 'Bridesmaid'
Hydrangea paniculata 'Limelight'
Thalictrum 'Nimbus White'
Sedum takesimense 'Atlantis'