When is the best time to plant white onions?

As the saying goes, "White Dew Onions" refers to the onions sown at White Dew. The best time to plant onions in autumn is between White Dew and Autumnal Equinox. So when should white onions be planted? Let’s take a look with the editor below.

1. When to plant white onions?

The sowing time for Bailu onion is usually before Bailu. It is recommended to sow before August 20 so that the seedlings can emerge before August 30 to September 3. This ensures that the onion seedlings have enough time to grow before winter, while avoiding the onion seedlings being weak and difficult to survive the winter due to sowing too late.

2. How to plant white onion

1. Seed selection

Choosing good quality onion varieties is the key. You can choose varieties such as Zhangqiu onion, ocean onion, or use the excellent varieties selected by your own farmers.

2. Land selection

You should choose land that has not been used to grow onions, leeks , or garlic for 3-4 years to avoid the problem of repeated cropping. Good predecessor crops include wheat , corn, potatoes , etc., and sandy loam or loam is preferred.

3. Land preparation and sowing

Carry out autumn plowing and harrowing on the selected land and apply appropriate amount of fertilizer. When sowing, the furrow width is about 10 cm, the furrow depth is 3-4 cm, and the sowing amount per mu is about 3-3.5 kg.

4. Pour freezing water

When the autumn seedlings have 3 true leaves and are about 10 cm tall, water them around late October to prevent freezing, and fertilize and apply diluted manure to increase the ground temperature. Cover with another layer of raw manure to ensure safe wintering.

5. Field management

After the seeds germinate, management must be strengthened, sufficient light must be provided, regular watering and irrigation must be carried out, appropriate amounts of fertilizer must be applied to supplement nutrients, and good ventilation must be maintained. Onion seedlings should not be planted too deep to avoid affecting their growth. At the same time, attention should be paid to timely thinning and transplanting to ensure that the onion seedlings have sufficient space to grow.

The above is an introduction to when to plant Bailu Onions. Bailu Onions are usually sown from late August to early September every year. Onions are not tolerant to waterlogging. In the rainy autumn, it is necessary to drain and prevent waterlogging in time and do a good job of field management.