Longwood Gardens was created by industrialist Pierre S. du Pont (and is sometimes referred to as the DuPont Gardens) and offers 1,050 acres (425 hectares) of gardens, woodlands, and meadows; 20 outdoor gardens; 20 indoor gardens within 4 acres (1.6 hectares) of heated greenhouses; 11,000 different types of plants; and spectacular fountains.
Route 1, PO Box 501
Kennett Square PA 19348-0501 USA
Telephone 610-388-1000
http://www.longwoodgardens.org