The Stevens–Coolidge House and Gardens, formerly known as Ashdale Farm, is a garden and historic house located on 91 acres of land at 153 Chickering Road in North Andover, a town in Essex County, Massachusetts. Helen Stevens Coolidge's family first acquired the farm in 1729, and from 1914 to 1962 it served as a summer home that she shared with her husband John Gardner Coolidge American diplomat and one time Minister to Nicaragua, and their family.