Leek (science. Allium ampeloprasum) - vegetables of the genus garlic (Allium) along with onions and garlic, as a part of the family snowdrop (Amaryllidaceae). Today there are a number of varieties, almost all derived from this species. Edible part of the plant's stalk of concentric layers, while the leaves themselves are usually avoided because they are more tensile.
Instead of having a tight bulb like the onion, leeks are howling in the long curve of thin layers. Larger plants are refusing to cover part of young stems. The seeds can be grown in greenhouses and then plant out in better weather. Once you root, leeks is very durable - there are many varieties that are left over winter and harvested in the warmer period.