With the emphasis on native plantings, Mt. Cuba Center focuses entire acreages on native plants and trees. Deer fencing works very well to keep out those forb loving mammals from nibbling them. In the spring 20 different kinds of trillium are in bloom.
A new allee of scarlet oaks is the setting for a spring floral symphony created by pinkshell azaleas, fothergilla, shadbush, and wildflowers followed in autumn by a kaleidoscope of foliage colors that ignite the allée.
A scene fit for Monet.
There are more than 30 gardens in the Greater Philadelphia Area some specializing in native plants. http://americasgardencapital.org/