Natural Bug Spray Recipe. Watch PBS-TV’s GardenRx master gardener Loren Nancarrow, learn his best homemade recipe for a natural bug spray in this great video. If you’re looking for a natural bug spray recipe to keep those pesky insects at bay, you’re in luck! Here’s a recipe from PBS-Tv’s “GardenRx with Loren Nancarrow” that can help you enjoy your time outdoors without the buzz of bugs. PBS-TV’s Loren Nancarrow shows you how to make your own natural bug spray. Ingredients:-…