Dig a small hole (2 ~ 3 cm deep) in the soil of the flowerpot with your fingers or tools, put in 4 ~ 5 onion seeds and then cover with soil, so that a few onion seeds are put at regular intervals, and then water them all. Prepare planting conditions. To grow onions at home, we must first prepare a relatively large flowerpot. Bian Xiao thinks that you can choose those large rectangular flowerpots, and there must be drainage holes at the bottom. Secondly, we should prepare fertile soil. Onions like fertile soil very much. Water it: Don't water it too much during the breeding period, as long as the soil is slightly wet. If the balcony is open-air, you should do a good job of sheltering from the rain in rainy days.
In the spring of the third year, lots were drawn to blossom, and the seeds were harvested in the second season. From early May to late June, the seedlings planted can be classified as shallots; Before and after the long summer, flat border planting (pinch of onion) or narrow row spacing planting can also be used as autumn onion supply. Nowadays, many people like to plant small dishes like shallots and leeks on the balcony, which is not only beautiful, but also a comfortable life enjoyment. So how do you grow a lush and bursting dish?
Onions like cool environment. Generally, its germination temperature is 13 ~ 20℃, which is the easiest to find in spring and autumn, so it can be planted in March ~ April in spring or September ~10 in autumn. Onions like light, but they are afraid of strong light. Summer needs proper shade to cool down. Other seasons need enough scattered light, which is not conducive to the growth of onions. Onions have certain cold tolerance. If the temperature is above 0 degrees in winter, it will not cause harm to onion leaves.