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is vermiculite any use as a slug deterrent?

I have just been given a big sack of vermiculite and am using it in potting - it's occurred to me that it might have other uses. Has anyone ever tried is as a slug / snail barrier? And did it work?

I garden without pesticides, in the hills of north Herefordshire, about two miles from the Welsh border and have terrible problems with slugs and snails.


  • Mark56Mark56 Posts: 1,653

    It may do but grit might be a better defensive option. I use lambs wool pellets as a mulch, works a treat. Another organic method is spraying with a cooked garlic water solution but it has to be reapplied after rain. 

    Last edited: 10 June 2017 12:36:24

  • FairygirlFairygirl Posts: 53,942

    Noting stops molluscs here - except picking them off and squishing. They laugh in the face of grit, eggshells etc.

    They climb the house walls here - which are covered in a crushed shell render  image

    It's a place where beautiful isn't enough of a word....

    I live in west central Scotland - not where that photo is...
  • Pretty much the same scenario here, Fairygirl.

    I was just wondering if anyone had thought of trying it. I'll give it a whirl and see  if it makes any difference.. I was thinking along the lines that a moving dry surface might, just might, be tricky for a slug to move over... might get gummed up???

    I'll let y'aal know in time. fingers crossed. I'm experimenting with course grit too.. but Herefordshire snails are tough little critters.

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