When is the best time to plant white onions?

We are now in the White Dew season. There is an old saying among the people: "Plant onions in White Dew and plant garlic in Cold Dew", which means that White Dew is the right time to plant onions. So when is the best time to plant white onions? Let’s learn more about it below.

When is the best time to plant white onions?

The planting time of Bailu onion is usually around the Bailu solar term, which is around September 7th to 9th every year. The specific planting time will vary depending on the climatic conditions in different regions. For example, due to the rapid drop in temperature in northern regions, it is generally recommended to sow in late August to ensure that seedlings will emerge in early September. Areas south of the Yangtze River may delay planting until October.

What are the key points in growing white onion?

1. Soil preparation

Choose fertile, well-drained soil, and the previous crops should be wheat , corn, potatoes , etc. Deep plowing should be done before planting, and an appropriate amount of organic fertilizer , such as well-rotted compost or chicken manure, should be applied to provide sufficient nutrients.

2. Choose good varieties

Select excellent varieties suitable for local climate and soil conditions, such as Zhangqiu scallion, Hulan scallion, etc., to ensure the growth quality and yield of onions.

3. Sowing method

You can use row sowing or broadcast sowing, the sowing depth is controlled at 3-5 cm, and the sowing amount is adjusted according to soil fertility and variety characteristics.

4. Field management

After germination, management should be strengthened, sufficient light should be provided, watering and irrigation should be carried out regularly, appropriate amounts of fertilizer should be applied to supplement nutrition, and good ventilation should be maintained. Top dressing should be carried out according to the growth and development of onions, mainly with quick-acting nitrogen fertilizers, appropriately combined with phosphorus and potassium fertilizers.

5. Pest and disease control

During the White Dew season, although the weather turns cooler, we still need to pay attention to the prevention and control of diseases and pests. Regularly check the growth of onion seedlings, promptly detect and adopt a combination of biological and physical control methods to reduce the use of chemical pesticides .

6. Winter management

In late autumn and early winter, water should be irrigated with anti-freezing water, and measures should be taken to prevent frost damage, such as covering with straw or leaves, to ensure that the onion seedlings can safely overwinter.

In general, the best time to plant Bai Lu onions is naturally during the Bai Lu solar term. Pay attention to site selection, seed selection, fertilization and other work before sowing to ensure a suitable planting environment and healthy seedlings, laying a good foundation for the growth of Bai Lu onions.