When is the right time and method to sow onion seeds?

Onion seed sowing time

Onion seeds are perennial herbs belonging to the genus Allium of the lily family. They can be planted twice a year, in spring and autumn. The best time to sow onion seeds is in late July to early August in summer and in early September in autumn.

Onion seed sowing method

1. Soil: When sowing onion seeds, you must choose suitable soil. It is suitable for sowing in slightly acidic soil. The soil for seedlings should be loose and fertile. During the emergence period, it is necessary to prevent the topsoil from becoming compacted.

2. Temperature: When sowing onion seeds, the temperature needs to be controlled. Onion seeds have the characteristics of resistance to adversity and are both cold-resistant and heat-resistant. Suitable temperature conditions are conducive to the growth of high-quality and high-yield onion seedlings.

Key points and techniques for planting onion seeds

1. Fertilizer

  When planting onion seeds, you need to pay attention to applying fertilizer. In the early stage of growth, more nitrogen fertilizer is required, and in the later stage, more phosphorus fertilizer or potassium fertilizer is needed. Special attention should be paid to the application of phosphorus fertilizer. Lack of phosphorus fertilizer will lead to poor plant growth.

2. Lighting

  When planting onion seeds, moderate light intensity is required, because the shape of the onions can get good light conditions under close planting conditions, so strong light is not needed.