There are certain enticements that have been known to attract even the most distrustful of little folk.
They are especially fond of ground ginger, barley, icing candies (the sort used to decorate birthday cakes) and anything that glitters.
Place a miniature basket to hold such offerings in your garden.
You will have faeries standing in line around the block.
Of course, do not expect your gifts to disappear once they are discovered.
Faeries, you know, exist in the spirit world and are able to extract the spirit essence of a thing and leave the outer shell behin