The Shanghai Chenshan Botanical Garden, known as the largest botanical garden in East China, is home to approximately 10,000 plant species. [Photo/WeChat account: sheshanlvyou]

The Shanghai Chenshan Botanical Garden in Songjiang district, Shanghai is offering a 50 percent discount to visitors who buy stored-value membership cards during a flash sale from Nov 1 to 12, according to a notice released by the park's administrative committee on Nov 1.

Visitors can follow the park's official WeChat account "csnbgsh" to buy the membership cards, which used to cost 300 yuan ($46.93) but now only cost 150 yuan, and they can visit the park five times with the cards, which will be valid until Dec 31, 2022.

Visitors must bring their own ID cards and a verification code from sellers to obtain the card. They must use the card with their real names and not transfer or sell them to others.

The stunning autumn scenery of the Shanghai Chenshan Botanical Garden [Photo/WeChat account: sheshanlvyou]

A sea of pink muhly grass at the Shanghai Chenshan Botanical Garden [Photo/WeChat account: sheshanlvyou]