The sowing of green vegetables can be carried out in spring or autumn. It must be avoided in winter. If necessary, it can be planted in a shed in winter. In different seasons, different varieties are selected. If you want to plant in spring, you should try to choose varieties with frost resistance. If you want to plant in autumn, you should choose varieties with antiviral ability.
1. Soil: before sowing, prepare the soil, water it thoroughly with clean water, and sow when it is slightly wet.
2. Sowing: the seeds are mixed with clean fine soil, and are sown into the substrate by the method of sowing. The seeds can be covered with a thin layer of soil. Finally, use a watering can to spray water properly. It will germinate in 3-4 days under the condition of slight humidity. If the temperature is low, it will take at least one week.
3. Seedling: when it is in seedling state, water it properly, and keep it slightly wet at all times. Half a month after germination, spray some fertilizer on it, wait until the seedlings are filled with 4-5 leaves, then they can be planted.