Water-pepper, scientifically known as Persicaria hydropiper, is a unique and versatile herb that has gained popularity for its culinary uses, medicinal properties, and adaptability to various growing conditions. Belonging to the Polygonaceae family, water-pepper is also known by other names such as marsh pepper, smartweed, and knotweed. This article will provide a detailed guide on water-pepper cultivation, covering essential aspects from soil preparation to harvesting.