Travelers are voting Lan Su Chinese Garden, Leach Botanical Garden and Portland Japanese Garden as the best of 8 gardens in St. Helens. There are 8 gardens in Tigard a city just 30 km from St. Helens and 8 gardens in Gresham which is 30 km distant. The most popular of these are Crystal Springs Rhododendron Garden in Tigard and Lan Su Chinese Garden in Gresham. You can find 9 gardens in Oregon and 155 gardens in the country of United States. Our members favorite in Oregon is Berry Botanic Garden and Minneapolis Sculpture Garden is the top pick in United States. Want more? Check out our map of gardens in St. Helens.