Generally speaking, the seeds of green onions will be sown in autumn or in the middle of March in spring. As long as the seeds of green onions are full and healthy, they can be planted directly in the ground. In the case of wet soil, green onions 10 days will germinate.
Germination temperature of Welsh onion seeds
The optimum germination temperature of Welsh onion seeds is 13-20. In most cases, as long as it exceeds this temperature range, it is difficult for green onions to germinate. Green onions can be covered with film when they germinate, which can ensure a good germination environment.
Germination of Welsh onion seeds unearthed
Generally, green onion seeds can only be planted after soaking for about 20 minutes. When the temperature, humidity, light, moisture and other growth conditions are suitable, it usually takes only about half a month for green onions to take root and germinate.
Method for accelerate germination of Welsh onion seeds
Welsh onion seeds are generally soaked and germinated. Soak the selected full seeds in warm water of about 30℃, then put them in a ventilated environment, and they can germinate in about 3 days.
Picture of Welsh onion seed germination