Echinacea has daisy-like flowers with large rich purple or pink rays surrounding a high brownish-orange cone. The flower heads can reach 4 to 5 inches in diameter. Purple Coneflower stems are long 2 to 3 feet high, slender but stout, rough and bristly. The leaves are also bristly, dark green, lanceolate, alternate, and long petioled at the base, more sessile near the top of the stem. The roots are tapering, cylindrical, slightly spiral, and fibrous with as aromatic smell. Sow outdoors in very early spring or fall. Echinacea prefers light , loamy , well drained soil and a sunny position, tolerates shades.
Echinacea purpurea, Purple Coneflower Herb Use, https://altnature.com/gallery/echinacea.htm (accessed January 27, 2017).