Alongside preservation of palaces and temples, the heritage conservation efforts in the Ancient Capital also include the care, restoration, and propagation of trees, protecting ancient and precious species within relic sites, helping maintain the harmonious beauty of architecture and nature - a hallmark of Hue’s heritage space.

The lush lawns and shaded canopies of ancient trees in the Imperial Citadel, Co Ha Garden, or Thieu Phuong Garden are not naturally self-sustained. Behind that serene beauty lies the quiet dedication of dozens of workers who care daily for every tree and flowerbed, helping preserve the “green soul” of Hue’s heritage.

The Firmiana simplex flower is a unique one of Hue, with its dreamy shades of pink and purple colors. According to historical records, Emperor Minh Mang was so fond of the flower that he brought it to plant beside Can Chanh Palace and some corners of other palaces.

On cold winter days, the red Sau Sau leaves fall, leaving bare branches. At this time, the Sau Sau forest evokes a sense of wandering into unfamiliar lands.