Wild Daylily (Hemerocallis fulva) - 10 Roots, Hardy Erosion-Control Plants You are purchasing 10 Orange Daylilies (Hemerocallis fulva), also known as ditch lilies. These well-known flowers are found throughout the eastern United States and were originally naturalized from early European settlers' gardens. They spread gradually and are highly effective for controlling erosion. These hardy plants can grow in any soil type and thrive in full sun to partial shade. They are suitable for zones 2-9. We do not ship to Hawaii, Alaska, or Puerto Rico. Planting instructions are included with each order.