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Copper kills slugs where as salt only dehydrates them, but they continue to live....Penny Ball for the garden. Pennies in the garden repel slugs and make hydrangeas blue. I love this idea. It looks old and new and beautiful. I need this to keep the slugs off my strawberries! -- House of Hawthornes: Bowling Ball Yard Art
Fighting tomato blight with pennies? Pennies have so many uses in the garden. Who knew?
Create a border of pennies around your garden as a natural and nicer way to keep slugs out of your garden. The copper creates a tiny electrical charge when the slugs touch it. My garden went from being infested with them to just a couple here and there (the dare devil slugs). This way your not killing anything and it adds a little eclectic style to your garden :)