This herb's strong scent and toxic properties are unappealing to roaches, making it a powerful deterrent. Rosemary can be utilized in various forms to keep these pests away. You can plant it in ...

plant-based essential oils like cedar, peppermint, rosemary and lemongrass. All are well-known repellents in the cockroach world, but not particularly lethal or poisonous. Shop on Amazon When ...