Are mothballs safe to use against rabbits?

Written by
Kiana Okafor
Reviewed by
Prof. Martin Thorne, Ph.D.Mothballs are made from toxic chemicals, either naphthalene or paradichlorobenzene, which can be harmful poisons that affect soil, pets, and wildlife. The chemicals in these pesticides release toxic fumes that may harm humans and are illegal to use outdoors. More humane alternatives include products like blood meal or motion-activated sprinklers, which can keep gardens safe without damaging the ecosystem.
Mothball Risks
- EPA warnings: Toxic to aquatic life and soil microbes
- Pet hazards: Causes kidney failure in dogs/cats
- Illegal misuse: Fines for outdoor application
Safe Practices
- Blood meal: Apply 1 cup per 10 sq ft monthly
- Sprinklers: Set to dawn/dusk activity cycles
- Human hair: Scatter in mesh bags near plants
States such as California have laws against using mothballs outdoors because they are considered pesticides. A gardener in Texas faced fines after runoff from her property contaminated her neighbor's pond with mothballs. You could think about rabbit-resistant plants like lavender, or using garlic spray, which is a more eco-friendly and legal option.
To enhance reliability, combine deterrents. Use motion-activated sprinklers together with blood meal borders. One family in Colorado used this strategy and saw a 90% reduction in rabbit visits. Be sure to check the batteries in the sprinklers to ensure they are working and refresh the blood meal after it rains. It may also be helpful to observe rabbit pathways around the yard to determine where you want to place deterrents.
Inform your neighbors about the dangers of mothballs. Use community gardens to share safer alternatives. A group from Michigan eliminated the practice of using mothballs in favor of oregano hedges and chicken wire fencing by presenting educational workshops. By advocating for less dangerous alternatives to mothballs in your garden, you may reduce adverse effects on the environment while supporting your local gardens.
Read the full article: 10 Effective Ways to Deter Rabbits in Your Garden