I just found this and I think this is a super cool way to spend a Friday outside. Tomorrow is National Public Gardens Day and Better Homes & Gardens Magazine is footing the bill for admission into public garden all over the U.S. Just click here and fill in your information to get your free coupon. Here is a list of PA gardens that you can get into gratis.
Bartrams Garden / www.bartramsgarden.org, Morris Arboretum of the University of Pennsylvania / www.morrisarboretum.org, Shofuso Japanese House and Garden / www.shofuso.com, The Scott Arboretum of Swarthmore College/ www.scottarboretum.org, Tyler Arboretum / www.tylerarboretum.org. For a complete list click here.