Mosquito grass (a.k.a. Lemon Grass) repels mosquitoes | the strong citrus odor drives mosquitoes away. - good idea. By the way, you can easily start rooting your own with grocery store bought lemongrass stalks. Just put them in water and a relatively sunny place. Transfer to soil when well rooted. Plant indoors if u are in a colder zone ;-)
GENIUS...Line a pathway with rocks painted in glow in the dark paint. During the day they "charge" in the sun and in the evening they reflect the stored light. Rust-Oleum Glow in the Dark Brush-on Paint.