Another barrier that can help is to take away vegetation from around your garden.

Before using coffee grounds to keep away slugs, here's what to know to get the most benefit. Leanne Potts Wed, May 28, 2025 at 8:10 PM UTC 3 min read Photo: Min Kim / Getty Images ...

Flowers like marigolds, pansies, calendula, and dianthus lure slugs from other plants as natural decoys. Coffee grounds and pepper sprays offer safe, plant-based ways to repel or kill slugs.

While caffeine will kill slugs, sprinkling coffee grounds around your plants won’t keep the pests from devouring your garden, says Linda Brewer, a certified professional soil scientist with ...

Distract Slugs and Snails Kathi Rodgers, owner and writer at Oak Hill Homestead, says her favorite way to use beer is to attract and kill the slugs that invade her strawberry patch.