When you’re out exploring and come across a fence or even trees marked with purple paint, it’s not just a random choice of color. This purple marking is actually a legal signal for “no trespassing” in some states.

The use of purple paint as a boundary marker is known as purple paint laws, which allow property owners to warn against unauthorized entry without the need for traditional signs that may wear out or get stolen over time.

If you’re considering using purple paint to mark your property, be aware that regulations can differ. Generally, the purple stripes should be vertical, at least 1 inch wide and 8 inches long, positioned 3-5 feet above the ground and spaced no more than 100 feet apart. While any paint can be used on fences, latex or spray paint is recommended for trees. It’s crucial to ensure the markings are visible and accurately represent the property boundaries. Remember, when you’re in unfamiliar territory, always respect these markers and stay observant to ensure safety.