How many stages is the growing period of green onions divided into?

How many stages is the growing period of green onions divided into? Please introduce that the reproductive growth period of Welsh onion refers to the period from the transformation of seedling tip to reproductive tip to bolting and flowering seed maturity. This period can be divided into the following stages: first, the seed returning to green stage. After the plant was planted, the temperature reached more than 7 degrees Celsius and began to grow and develop. three to four young leaves which had not yet grown leaf sheath before winter grew successively in spring, and the floral organs also differentiated and grew until the flower bud was exposed, which was the green stage of the plant. Second, the bolting stage: from the last leaf growth, the bud at the top of the flower shows the leaf sheath, to the bud growth and bud rupture, it is the bolting stage. This period is usually 10 to 15 days. Third, flowering period. After the involucre of the flower ball is broken, the floret opens in turn from the center to the surrounding, to the end of flowering, which is the flowering stage. Fourth, the mature stage of seeds. Click to get more green onion planting techniques click to get more vegetable planting techniques