Experts explain why they discourage many commercial weed killers for driveways—and share safer alternatives that actually work.Credit: Getty ImagesKey PointsUsing commercial weed killers on your driveway can damage surrounding plants, harm wildlife, and contribute to water pollution through runoff.Rain, irrigation, or spray drift can carry herbicides from your driveway onto lawns, flower beds, vegetable gardens, trees, and other desirable plants…