• I'm not sure how much an impact slug pellets have on the veg you grow, and therefore you, but there are organic ones like andyp says (that said Bordeaux mix was organic too so I take organic not to necessarily signify safety). But to answer your quesiton I'm not sure there is one single solution. I think it best to try a combo of all of those above and maybe stick in some slug traps as well. People use beer in the traps but you can also use a water, flour, sugar and yeast combo which may be cheaper. It has the same effect. These need to be changed every few days (hopefully easily if the patch is in your garden).

    You can still use egg shells - I think they are good at protecting smaller plants. Copper tape is good too but if your bed is large it'll cost a pretty penny to do a full circuit.

    Water in nematodes are effective too - but again are expensive.

    And last but by no menas least get out of a night with a torch and squish them. You'll need ot do it frequently and you won't beleive how many you find and then how many you see on the next night, and the next night ...

    Good luck.

  • Ferric phosphate pellets are effective on slugs and acceptable for organic farming, I think - they break down to leave iron and phosphate in the soil.

    The nematodes are very effective but the main impact isn't felt in the first year, since they attack the slugs earlier in the lifecycle.

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