Other gardens were the Cinchona Plantation, founded in 1868, and the Hope Garden founded in 1874.

In the late 1960s, he became the very close friend of the owner of Chollipo Arboretum Carl Ferris Miller (Korean Name Minn Byeong gal).

They have extensive botanical collection of rare domestic and foreign plants, while a palm house in the New Orangery displays plants of subtropics from all over the world.