Coneflower ‘Double Decker’ Echinacea – Pink flowers sprout another set of petals atop the dark brown cone, two flowers in one. Blooms all summer. Zones 3-8

Awhile back, I did a post on shade tolerant flowers.  Then, I thought to myself, what is better than shade tolerant flowers?  Shade tolerant perennials, that’s what.  You only have to plant them once, but still, you get year after year of color.  …