Agrology of watercress is both a large scale and a garden scale. However the packaging used by super markets using sealed plastic bags under some pressure.Watercress is also known as tall nasturtium. This plant grows well in cold water. That's why you will find it near water like a ditch.
Watercress packs have a lot of nutrients. Iron, potassium and vitamins C and E are a few. Watercress also helps with skin problems. It keeps the skin very clarified. Watercress is used in many recipes. You can use it to make a sandwich or in soup.
If it is not harvested, watercress can grow to a height of 50–120 cm. It is a member of the brassicacea family, along with some other leaf vegetables.
They are related to mustard and cabbage family.
New market, Alabama, was once known as "Watercress Capital of the World".