Here in Minnesota, it isn't uncommon to see "no trespassing" signs posted on light posts, fences, and trees that mark property lines. But what if we could color code that message?

Other states have adopted a "Purple Paint Law" where the color purple is pained on trees or fence posts to indicate that it is private property and trespassers are not welcome. Some states who have adopted this include Kansas, Arizona, Montana, Arkansas, Idaho, Florida, Maine, North Carolina, Missouri, Louisiana and Illinois.

Arkansas was the first state to get in on this back in 1989, so why hasn't Minnesota jumped on board? According to Farm and Dairy, paint is long-lasting and easier to apply, whereas signs can fall down, are torn down, or damage trees. For the states that have this law (regardless of the color of choice, Montana uses bright orange) here is how the marking process works:

How to mark your property with purple paint

  • Each paint mark must be vertical line at least 8 inches long and 1 inch wide.
  • The mark must be between 3 and 5 feet from the ground.
  • Marks must be “readily visible to a person approaching the property” no more than 100 feet apart
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Current Minnesota no trespassing law states that signs must state “No Trespassing,” or similar words, in 2-inch high letters and have either the signature or the name and telephone number of the landowner, lessee or manager. The signs must be placed at intervals of 1,000 feet (500 feet in wooded areas) or at the primary corners of the parcel and at access points to the property. Wouldn't giant paint streaks be so much easier than sign maintenance?

What do you think? Should Minnesota adopt a purple paint law? Let us know on our mobile app.

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