Last year must have been the worst year ever for gardeners. The continually wet summer and autumn saw slug and snail populations skyrocket. My allotment plot was totally stripped and I brought in absolutely nothing during harvest.
Initially, I was put off by the cost – typically £5 for about 4 metres on a 4 cm roll from various garden centres. However, I found a few suppliers online (ebay) offering the same product for a fraction of the price. I paid around £8 for 16 metres. Always worth shopping around.
During March, I started to apply the copper tape around the base of my greenhouse staging. I had about 20 trays of seedlings to protect. Later, I applied the same tape around flower tubs and troughs, into which I planted flowers and vegetables that I knew the slugs soon strip bare.
I had to ensure that whatever I stuck the copper to was clean and dry. The copper tape is very similar to sellotape in it’s adhesive qualities. However, it is very strong, like a thick, high quality over foil. If I need extra adhesion, I could try gluing it on.
It’s now the end of July and I am very happy to report a surprisingly high success rate with the copper tape! I can’t believe it. This year, I’m actually growing hostas, pak choi, French marigolds and larkspur. These plants, in the past have been serious magnet to slugs. They are all looking very healthy, with no signs of damage. I did notice a single solitary snail in one of my planters, but no damage to report. Perhaps the experience of crossing the copper caused it to lose it’s appetite?
I also applied the copper tape around the bases of my young runner beans and french climbing beans. I used 10 cm length of PVC drainpipes with rings of copper tape applied around the top. Again, as with the other protected plants, there have been no casualties this year.
So, to answer the question Does copper tape really stop slugs & snails?:
From my experiences this year, copper tape is very effective in creating a barrier between your precious plants and slugs and snails. The static charge they receive is too much for the majority of hungry Molluscs. I have read conflicting views online, but I can only work with my own observations.
Watch the following video to see how they react to copper tape placed around a pot:
Still a sceptic? If you really want to play it safe, how about you electrify your copper (or conductive metal) with a 9-volt battery? Now that should work!
So, you have been sold these kind of ideas before, but have been left disappointed. I would always suggest using a mixture of methods to control slugs and snails in your garden:
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