Rabbits can be a nuisance for gardeners, especially when they target outdoor plant boxes. To protect your plants, consider these effective and humane rabbit deterrent methods.

1. Physical Barriers: Install chicken wire or mesh fencing around your plant boxes. Ensure the barrier is at least 2 feet high and buried 6 inches underground to prevent rabbits from digging underneath.

2. Natural Repellents: Sprinkle crushed garlic, cayenne pepper, or coffee grounds around your plants. Rabbits dislike strong smells and will avoid the area.

3. Plant Rabbit-Resistant Varieties: Choose plants like marigolds, lavender, or rosemary, which rabbits tend to avoid.

4. Motion-Activated Sprinklers: These devices startle rabbits with a sudden burst of water, training them to stay away.

5. Ultrasonic Repellers: Emit high-frequency sounds that deter rabbits without harming them.

By combining these methods, you can create a robust rabbit deterrent system for your outdoor plant boxes and enjoy a thriving garden.