Yijushu 藝菊書 (also called Yiju 藝菊) is a book on the cultivation of chrysanthemums written by Huang Xingzeng 黃省曾 (1490-1540) during the Ming period 明 (1368-1644). It is part of Huang's collection Nongpu sishu 農圃四書.
The book is divided into six sections giving insight into soil preparation, seed preservation, the division of seedlings, potting, pruning, and care. The content primarily focuses on planting techniques and holds significant scientific value because Huang's method differ from those described in Song-period books on chrysanthemums.
The text can be found in the series Guang baichuan xuehai 廣百川學海, Shuibian linxia 水邊林下, Mingshi xueshan 明世學山, Bailing xueshan 百陵學山, Nongxue congshu 農學叢書 and Gujin wenyi congshu 古今文藝叢書.