Reply To: Slug nematodes in polytunnels

[Hawfinch]

I haven’t tried it in a polytunnel but outside in my slug fence enclosed vegetable patch, don’t think there is that much of a difference. And yes, I do find that it works. Not 100% but it definitely seems to reduce the number of slugs. One does, of course, have to repeat spray after some weeks to get more of the buggers. It is expensive, but we are going to do it again as soon as it gets warm enough. Good luck.