Why does echinacea (coneflower) often revert back to the color purple?

Over time, I have purchased many stylish (& often more costly) colors of echinacea & it almost always reverts back to the color purple. This has led me to the burning question, “Why does echinacea (coneflower) often revert back to the color purple after a couple of seasons?” I decided to try to find someContinue reading “Why does echinacea (coneflower) often revert back to the color purple?”