Weed seeds are one of the most popular types of plants that are grown for their flowers and foliage. In many countries, weed seeds are illegal to grow in order to prevent the spread of weed plants.
Weed seeds have a long history. They have been used as a medicinal plant by ancient civilizations like the Egyptians, Greeks and Romans. The plant’s cultivation has also been used as an agricultural crop in North America and Europe since the early 16th century.