Welsh onion seeds are usually sown in autumn, and in mid-March in spring. As long as they are full and healthy, they can be planted directly in the ground. Under the condition of ensuring soil moisture, Welsh onion will germinate in about 10 days.

Germination temperature of Welsh onion seeds

The optimum germination temperature of Chinese onion seeds is 13-20℃, and in most cases, it is difficult for Chinese onion to germinate as long as it exceeds this temperature range. Green onions can be covered with a film during germination, so as to ensure a good germination environment.

Germination of Welsh onion seeds unearthed

Generally, it takes about 20 minutes for the seeds of Chinese onion to be planted. When the growth conditions such as temperature, humidity, light and water are suitable, it usually takes about half a month for the Chinese onion to take root and sprout.

Method for accelerate germination of Welsh onion seeds

Generally speaking, the seeds of Chinese onion will be soaked to accelerate germination. The plump seeds will be soaked in warm water at about 30°C, and then placed in a ventilated environment, which can germinate in about 3 days.

Picture of Welsh onion seed germination