Brandywine Longwood at Monarch is a premier provider of assisted living and memory care services in Kennett Square, PA. Located in Chester County, Brandywine Living at Longwood is scenically situated in the heart of one of Kennett Square's finest neighborhoods. Brandywine Living at Longwwod is near Brandywine Valley of Pennsylvania, approximately one mile south of the renowned Longwood Gardens, the Vineyards of Chester County, and The Mushroom Farms for which Kennett Square is famous.