Barn stars, the decorative symbols often seen on barns, carry rich cultural significance. Traditionally used by German-American farmers, these stars are believed to protect crops and promote prosperity. Each color holds a specific meaning: green represents growth and fertility, blue or black offers protection for the farmer, home, and harvest, while brown stands for friendship.

Originating in the 1830s, barn stars gained popularity within the Pennsylvania Dutch community, known for their simple, agrarian way of life. These symbols are closely linked to two traditions—barn stars and hex signs. According to Patrick Donmoyer from Kutztown University, barn stars were initially practical elements of farm decor rather than connected to supernatural beliefs. Hex signs, often confused with barn stars, were popularized by a 1920s artist and inspired by quilt patterns. By the 1950s, hex signs became a hallmark of Pennsylvania Dutch tourism, helping preserve their traditions and heritage.