Rudbeckia hirta This AAS and Fleuroselect winner has impressed judges all across America and Europe. Once you see this rudbeckia, you'll know why. Very large 6 inch distinctive flowers with light yellow tips on golden petals encircle a green center. Branching 28–32 inch plants have long stems, ideal for cut flowers. Easy to grow and maintain. Germination code: (1) or (4)