Are the red leaves in Beijing red in the cold and dew season?

The red leaves of Xiangshan Mountain are famous in Beijing and even the whole country. Every autumn, tourists watching the red leaves are crowded with people. After autumn, the red leaves become a little red, as red as a flame, and will appear deep purple after the first frost. Autumn in Beijing usually begins in September, and the viewing period of red leaves in Xiangshan can begin at the end of September and last for two months after165438+1mid-October.

The cold dew solar term is on the Gregorian calendar 201610/0/0.8, and the red leaves are already red.