Watching squirrels nibble on your carefully tended plants can be frustrating for any urban gardener. Fortunately, you can protect your planter boxes with a few effective, humane strategies. The most reliable method is installing physical barriers. Cover the soil with a layer of chicken wire or mesh, allowing plants to grow through but preventing squirrels from digging. For bulbs, create a wire cage around them before planting. You can also use row covers or cloches to shield young seedlings.
Another approach is to use natural repellents. Squirrels dislike the smell of certain substances. Sprinkle cayenne pepper, crushed red pepper flakes, or commercially available capsaicin-based sprays on the soil. The scent of peppermint oil or predator urine (like coyote or fox) can also deter them. Reapply these repellents after rain or watering.
Consider your plant choices. Squirrels are less likely to disturb planters filled with varieties they find unappealing. Incorporate strong-smelling herbs like mint, rosemary, lavender, and garlic. Daffodils, marigolds, and alliums are also good choices as squirrels tend to avoid them.
Create an environment that feels unsafe for squirrels. Place motion-activated sprinklers near your planters; the sudden burst of water will startle them away. Hanging shiny objects like old CDs or wind chimes can create visual and auditory disturbances that make squirrels nervous. Providing a distraction, such as a separate feeder filled with corn or nuts placed away from your planters, can also keep them occupied.
Consistency is key. Squirrels are persistent and clever, so a multi-method approach often works best. By combining barriers, repellents, and smart planting, you can enjoy a thriving urban garden without sacrificing your plants to local wildlife.