They use them for those that plant thousands in public parks. I wouldn't have them in the open if I was growing in the back yard due to the chance fly over. A dozen or so scattered in the woods or a brier patch shouldn't be a problem.

Loco
locomark Reviewed by locomark on . can they see it???????? I have heard that plants can be seen through the heat sensitive equipment on helicopters is this true?? Rating: 5