2. Hydroponics needs to change water once a week, and add a few drops of nutrient solution to the water every time, which can make the roots of podophyllum more robust. The water level of the leaves in the hydroponic container should not be too high, so as not to overflow its trunk position.
3. The optimum growth temperature of Japanese rosewood is 15~25℃, and it can grow normally above 30℃. The temperature should not be lower than 5℃ in winter, otherwise the leaves will fall off.
4. The growth of podophyllum needs sufficient light, which can make it bright at night. However, the leaves of Eupatorium odoratum are shade-tolerant, and the leaves can remain dark green in semi-shade. However, hydroponic duck feet should be regularly basked in the sun and moderately shaded in summer.