Who knew?
Apparently it’s the copper in pennies that repels slugs…
“I have always loved spheres in gardens, but most of the ones I have been drawn to are quite expensive.
This one piqued my interest, because it could be made with pennies.
All you need are a bunch of pennies and an old bowling ball to make a beautiful garden sphere, that not only repels slugs, but also makes hydrangeas blue?”…