Hi. I tried using alpaca wool (my mom had leftover), and it was not very practical. My problem was that I put it too thin, so when weeds inevitably started growing, the wool would stick to the weeds when I tried to pull them out...
I think it could work if you put on thick layers of it, which would be easier with sheep wool. I have seen an instagram reel (a woman from Ireland) use it in her greenhouse. But if you want to try it, make sure you get it on thick so no light comes through, and maybe in a way it could be easy to just pick up the whole body of wool.
Rikard
