Can you use mugwort leaves picked in the fall?

Ai leaves in any season can be picked and used, although the Dragon Boat Festival around the time of the strongest medicinal effect of Ai leaves, but the fall of the Ai leaves also has a certain medicinal effect, just relatively speaking, the efficacy will be reduced, and does not affect the use of.
Ai leaves are mainly produced in Shandong, Anhui, Hubei, Hebei and other places, traditionally produced in Hubei Herb State is good. Internal use has the effect of warming menstruation and stopping bleeding, dispersing cold and pain, regulating menstruation, and restoring the fetus; external use can dispel dampness and relieve itching. Contraindications to use, adverse reactions are not clear. The moxa leaves pounded velvet, made of moxa sticks, moxa cones, etc., used to smoke moxibustion points on the body surface, can warm the qi and blood, through the meridians, for the main raw material of moxibustion.
If using moxa leaves, it is recommended to consult a medical professional.