Sorry to be slow in answering the question about whether I have seen the cabbage whites getting through my 7 mm netting. Yes I have! They flutter around the netting for a few minutes, and sometimes I will see one fold up its wings and get through! It lays its eggs then tries to get out again which c...

Thanks Colin, the gardening naturally website looks good and I will probably order from that. I'm assuming that enviromesh is really the only thing that will keep out the butterflies, especially as no one has recommended a mesh size in between 7mm and enviromesh.

Many thanks, Nature's babe. I went on the Riverford website to investigate, and found the relevant info, but unfortunately they say there will be some holes, and the cabbage whites around here are so persistent that there would be an army of the things on my brassicas in no time at all! So I think I...

I am new to vegetable growing and to this forum so hope I am doing this right! I covered my brassicas with 7mm netting to stop them laying eggs but I have watched some of them getting through, and now there are caterpillars everywhere! I need to find netting with smaller holes, or is enviromesh the ...