Tianwei located at Changhua County. Tianwei Highway Garden is a large botanical recreation area and produces the most varieties of flowers. The area is over 1000 hectares and dot along Provincial Highway 1. This garden takes an area of acrossing two towns Yongjing and Tianwei. Here you will also find a Cactus Garden which features more than five hundred species of cactus sprouts. This garden offers from the ordinary species to the extraordinary plants, herbs, and flowers. The special feature of this garden is by using the artificial light at night to extend the daylight hours to control the development of the flower buds of the chrysanthemums. In this way, it can delay the blossoming of chrysanthemums and allows the stems to grow longer, and maintaining the length at 20 inches as quality control. A drive along this road, you will be mesmerized this flourish flower blossom and this beautiful sight has become a popular dating spot for the evening time.