Bua Tong is a type of flower that is also known as “Mexican sunflower” because of its origin in Mexico, and the Tong Bua Tong fields in Doi Mai U Ko are very huge, with an area of about 1.6 million square meters, and it is considered the largest Bua Tong field in Thailand And when you visit it, you will feel completely relaxed, as these yellow flowers are spread all around you, and it is worth noting that these flowers bloom only during the winter season, so it is recommended to visit the fields in the winter months.