Longwood Gardens is a public garden that consists of more than 1,100 acres of gardens, woodlands, and meadows in the Brandywine Creek Valley in Kennett Square, Pennsylvania, United States. It is one of the premier horticultural display gardens in the United States and is open to visitors year-round to enjoy native and exotic plants and horticulture, events and performances, seasonal and themed attractions, as well as educational lectures, courses, and workshops.