When is the walnut striped jujube ripe?

Walnut striped jujube ripens from the end of August to the beginning of September.

The best harvest period of walnut jujube is ten days before the Millennium solar term, that is, the crisp ripening period. According to the traditional Chinese calendar in China, the Millennium solar term appears around September 7th in the Gregorian calendar. During this period, the peel changed from blue to red, and the meat became brittle and tender, showing the characteristics of pattern.