Coreopsis is an annual or biennial herb of Coreopsis in Compositae, with a height of 60 cm. Its leaves are pinnately divided, the lobes are oval to oblong, and the head has a single branch end. The outer involucral bracts are nearly as long as the inner layer, with yellow tongue-shaped flowers, purple-brown base and deep purple. Achene obovate, flowering from July to September.

2. Country of origin

Native to North America. It is widely planted in parks and courtyards all over the country. Ornamental flowers. Cold-resistant and drought-resistant, not demanding on soil, like light, but tolerant to semi-shade, strong adaptability and strong resistance to sulfur dioxide. It is easy to cultivate and can often reproduce itself. Sowing or branching propagation is often used in production, and cutting propagation can also be carried out in summer.