 Dram, the professional's choice for lawn and garden. Available at a fine garden center near you. Visit us online at dram.com. Mary calls my show and she says that her yard is swarming with gnats and wants to know if there's anything that she can do about them. She says, I hate to put out poison around my blueberries and vegetable beds, but I don't want to be eaten alive either. Okay, well, first off, Mary, gnats are a nuisance pest.