Jiufeng Mountain in Huangyan, Taizhou, Zhejiang, is alive with spiritual energy, concealing the mysteries of cultivation among its trees and plants. Zheng Xinjun, a country boy from a family of ordinary herb farmers at the foot of the mountain, stumbles into the ruins of Qing Xuanzi, an ancient wood-element cultivator, during a torrential downpour. There, he awakens a rare Spiritwood Meridian and obtains the Qingxuan Scripture of Flora and the Spiritwood Pearl, setting him on the path of cultivation through the Dao of plants and trees.
Starting out at the Qi Refining stage on Jiufeng Mountain, he ventures into trials held by Jiangnan sects and searches secret herb realms for rare treasures. Amid the clashes between righteous and evil forces, he stays true to himself, unravels the mystery of the ancient Spiritwood legacy, and leads the righteous in resisting the extraterrestrial demons who seek to drain the world's vitality. Through his understanding of the Great Dao of flora, Zheng Xinjun refines elixirs that bridge life and death and nurtures ancient spirit plants. He finds close friends and wins the affection of a beloved woman, eventually using the power of Spiritwood to link heaven and earth, protect Jiufeng's peace, and become a singular figure in the cultivation world: the Venerable Immortal of Flora. The novel spans 250 volumes of 4,000 words each, for a total of one million words. It follows the full path of cultivation, from Qi Refining to Spirit Transformation, blending Jiangnan's graceful scenery with the fervor of cultivation as it tells a legend of seeking immortality through plants and trees, and protecting all living beings with an unwavering heart.