We have a hedge outside the house. The house is on an estate, but midway between pubs, and just at the place where people who've bought fast food will have finished eating it on their way home. We periodically find food trays, crisp wrappers, cans, bottles pushed into the hedge.

Oh well, at least they're not thrown down, to litter the road.
A tall fence and a couple of security lights on the path at the side of the house have stopped the other things we occasionally found ....