Wildlife Gardening Journal

My giant coneflowers, Rudbeckia maxima, have been blooming for the past several weeks, and they are show-stoppers. More closely related to black-eyed Susans (Rudbeckia hirta) than traditional coneflowers (Echinacea purpurea), giant coneflowers stand tall in the garden. Mine, in fact, are over seven feet tall. Eye-Catching "What are those flowers?" visitors often ask. Rudbeckia maxima ...