When I went there, I had to buy tickets to enter. I heard that I could enter the park for free when I first opened in the morning. The park is quite big, the plants don't feel a lot, but they are very sincere. The park is neat and clean, and it is very clean! The plants are all green, like the feeling of being cleaned every day. Tickets feel more expensive ($8), it is recommended to wait for the free opening time. San Francisco residents can be free of charge, but remember to bring your documents to show it. There are also ticket discounts for older adults and children.