Black-eyed Susan
Black-eyed Susan is a fast-growing biennial or short-lived perennial. “Hirta” means hairy, and this is the main way you can tell the difference between this and its cousin Rudbeckia fulgida (orange coneflower): R. hirta is thickly covered in small soft hairs, while R. fulgida has more sparse hairs on its leaves. This is an easy […] Continue reading "Black-eyed Susan"