Rudbeckia triloba Wildflowers + Generosity. Tall Black-Eyed Susan (Rudbeckia triloba) is one of the most generous New York native wildflowers you can grow. Moreover, this species stands taller than Rudbeckia fulgida or Rudbeckia hirta. It grows quickly, blooms abundantly, and produces an astonishing number of seeds. As a result, it behaves like a classic “pioneer […]