No question, coneflowers have changed greatly over the past quarter century. Varieties are now available in many color shades and plants demonstrate improved longevity. Current cultivars grow alot shorter. However, some hybrid forms have been disappointing, barely surviving 1-2 years. When choosing coneflowers, Purple Coneflower (Echinacea purpurea) is my #1 favorite for dependability (USDA hardiness […]