Get off my lettuce! Three quick ways to deter snails without poison

Copper, coffee and beer come together in a cumulative effort to keep pests out of your patch

Anyone who has ever had a tree get in the way of a breathtaking view or pending development approval will know the consequence of a copper coin - come on, we're all aware of this nasty poisoning tactic! But did you know that copper can be used to kill other stuff too, like pesky snails and slugs?