Specifically, Perilla frutescens is planted in spring, grows in summer and matures in autumn, and its most vigorous growth period is usually in the middle and late summer.
Therefore, the best time to pick perilla should be in the middle and late summer. At this time, the perilla leaves have grown vigorously and the quality is good. Picked leaves of perilla frutescens can be used to make various delicacies, such as perilla tea, perilla sauce, perilla fried snails and so on.