I'm always looking for markers that last and this is certainly worth trying. My last effort was with EON markers. I bought some clear address labels, printed the info on the computer, stuck the labels on the markers, sprayed them with clear sealer thinking that would help preserve them, but one of them is already illegible and it's only been in the ground one year. Others seems to be holding up better and it may be that I forgot to seal the one that's faded.
Great tip! Thank you for sharing it.
