In states that have adopted this statute, a vertical stripe of commercial-grade purple paint placed along a property line serves as legally enforceable notice that entry is prohibited. The law recognizes that in vast tracts of forest, farmland, or wilderness, posting individual signs at every boundary point is impractical. Purple paint offers a durable, highly visible, and cost-effective alternative.
If You Spot a Painted Purple Fence, This Is What It Means
