A staple of the summer garden because one plant can give hundreds of blooms if blossoms are gathered - excellent for those using this as a traditional medicinal flower. Blooms often don't stop until frost. 50 heirloom, chemical-free seeds. Also a long-lasting cut flower. Easy to grow. Perennial to zone 3. Free shipping on orders over $34. Botanical name: Rudbeckia fulgida.