Leek
plant that can be eaten is at times erroneously called a stem or stalk. This part is actually a bundle of leaf sheaths. This bundle is blanched by putting [...] around it (so-called ‘trenching’). The plant is usually sold as a small seedling and planted in a greenhouse. Later on, as weather permits, the leek is planted [...] Protection in Leek: Thrips Control & Healthy Roots About The vegetable leek is a cultivar of Allium ampeloprasum , the broadleaf wild leek. In the past, many