Plan to spend a couple of hours here, the garden covers several acres. Take a free walking tour to get the feel of the place. There is also a tram that drives the grounds if you are not up to lots of walking. Going in the spring is the best, with all the flowers in bloom. We were there in early May, and it was a breezy 70 degrees during the day and clear. Perfect weather to stroll the Japanese Garden. Don't miss the Climatron!