How to grow Coreopsis? Detailed guide to planting methods and care tips

Coreopsis is a common ornamental herbaceous flower in parks and courtyards everywhere, with abundant and vivid blooms, winter leaves that stay green and do not wither until winter ends, and a flowering period lasting as long as 2 months. So how do you grow Coreopsis?

1. How to grow Coreopsis?

1. Soil: It is best to plant Coreopsis in soil that is loose, well aerated, and rich in humus. Before planting Coreopsis, loosen the soil; loosening the soil after rain helps the Coreopsis roots breathe, and during the rainy season weed once a week.

2. Watering: Coreopsis is easy to cultivate. After planting, water once thoroughly, then control watering to prevent the plants from growing leggy.

3. Light: Coreopsis likes direct sunlight, and in overly shady environments it tends to grow leggy. It is a short-day plant, and short-day conditions can ensure that Coreopsis blooms vividly.

4. Fertilizing: Before planting Coreopsis, rotted leaves can be used in the soil as a base fertilizer (1 kg/sq m). When Coreopsis transitions from the growing period to the flowering period, stop fertilizing, and apply a top dressing after 4 flower buds have formed.

5. Pruning: When Coreopsis grows to 6 cm tall, pinch once, pinch a second time when the branches reach 10 cm, and promptly remove side buds.

2. Main value

1. Coreopsis has abundant and vivid blooms, winter leaves that stay green and do not wither until winter ends, and a flowering period lasting as long as 2 months. The plants grow vigorously and are easy to cultivate and propagate, making it a very good flowering evergreen plant. Its branches and leaves are dense, especially when young leaves sprout in winter, forming patches of fresh green. Between spring and summer, the flowers are large and brightly colored and often bloom continuously. It can also reproduce on its own, making it a good ground cover for open woodland. It can be enjoyed for both its leaves and its flowers. It also works well as a covering material in rooftop greening and can be used as a flower border material. It can also be planted in patches at the edges of lawns, on sunny slopes, and in forest farms, where it will take root and bloom continuously without any watering or fertilizing. Its branches, leaves, and flowers can be used for artistic cut flowers, for making flower baskets or arrangements.

2. Coreopsis has been used as a tea drink locally in the Kunlun Mountains of Xinjiang, China, and as of 2017 had a history of more than ten years. The chemical components contained in Coreopsis are mainly flavonoids, saponins, organic acids, tannins, sugars, volatile oils or fats, and phenolic components. Studies show that it has pharmacological activities such as lowering blood sugar, antioxidant effects, lowering blood pressure, and lowering blood lipids, and it has potential medicinal value.