Chanticleer, A Pleasure Garden, is a 48 acre botanical garden located in Wayne, Pennsylvania and built on the grounds of the Rosengarten estate. The estate was built in 1912 and a foundation established in 1946 to ensure its survival as a public garden.
Website: https://www.chanticleergarden.org/
Technically, there is no Japanese or Chinese garden on site. Instead, there is an "Asian Wood" area that was first planted in 1995 and contains a large number of plant species from Korea, Japan, and China.
I was initially hesitant to include this garden in the blog, but I have included other "Asian inspired" gardens in the past. One element that encouraged inclusion was a structure within the Asian Wood that remarkably resembled a Japanese Teahouse.