Leek
‘trenching’). The plant is usually sold as a small seedling and planted in a greenhouse. Later on, as weather permits, the leek is planted outside in the [...] names were used to identify various species of leek, but now they are all classified as cultivars of Allium ampeloprasum . The part of the plant that can [...] Once outside, the plant is rather hardy and many varieties can be left in the soil during winter and harvested when there is a need for them.