If you mean to stop cut worms, I would go with big nails on each side of the plant so they can't get a bite or a paper collar around the stem. I have read to use toilet paper roll cardboard. What other pest are you repelling? Frozen mint leaves are going to decay quickly, but I don't see what harm they would do. So try it if you want to.

Can't hurt Deanna - it all depends on what kind of pests. ;) Maybe instead of just laying them at the plant base, try making a tea of them, dilute it, and spray it on the plants (after it cools of course). Same concept as compost teas. That way if it is going to work it would repel more than just the cutworms in the soil. Let us know how it works. :)

Dave

Hum I wonder what stinkbugs think of mint. I also have mint run amuck.

Great Idea I can do both make mint tea lol and spray, then mulch it in, I know that at least it shouldn`t be toxic to the tomatos, since last year was my first veggie garden I planted the mint in the same 4x8 bed as the tomatos and I didn`t seem to have a pest problem the only thing was two big green catapillers that I plucked off and so since I am so new I don`t know if I was lucky or the mint had anything to do with it. Oh I will wrap the base with cardboard to. This year I plan to plant many more than I did last year, you can`t have to many tomatos. I am so happy the weather seems to be cooperating and I can get out there and get things planted Yea!!!!!!!!! spring is here.:o) Deanna

mint will repel slugs it is the only replent I have found that works. It is not perfect but If you have it give it a try.