How to Get Rid of Grasshoppers: Plant-Protecting Barriers That Work Naturally

How to get rid of grasshoppers on plants—I learned the hard way last summer when they turned my zucchini into lace. The crunch of their jaws was the worst sound in the garden—until I discovered these plant-protecting barriers that actually work without chemicals. No more losing your harvest to these striped bandits.

First, you’ll need row covers, neem oil, and strategic companion plants like marigolds or basil. The trick is combining physical barriers with natural deterrents—grasshoppers hate the smell of garlic chives and the texture of fine netting.

I’ve tested all the "old wives' tales" and these are the ones that stop them dead (literally, for the squished ones).

Within 3-5 days, you’ll see fewer jumpers on your plants, and new growth will stay intact. The real win? Your soil stays healthy—no harsh sprays to poison beneficial bugs. Even my neighbor’s tomato plants, which got skeletonized last year, are thriving now with this combo.

Fair warning: If your yard is a grasshopper buffet zone, you might need multiple methods—like removing egg masses in spring and setting up trap crops (plant extra corn or sorghum far from your veggies).

But trust me, once you see your plants recover, you’ll never ignore those tiny green invaders again.

What you need

Tips & tricks for natural grasshopper defense systems

These battle-tested strategies will help you outsmart grasshoppers before they become a full-blown invasion.

Timing is Everything: Early morning or evening are the best times to scout for grasshopper activity. This is when they're most active and visible, making it easier to spot hotspots. I've found that checking at dawn reveals fresh damage from overnight feeders, while evening inspections catch them preparing to settle in for the night. The key is consistency—make these inspections part of your regular garden routine, especially after rain when grasshoppers become more active.

Barrier Reinforcement: When installing fine mesh netting around plants, secure it tightly at both the base and top to prevent grasshoppers from sneaking underneath. I've learned the hard way that even small gaps can become entry points. For extra durability, use heavy-duty staples or clothespins to attach the netting, and consider adding a second layer over vulnerable plants like lettuce or cabbage. Remember that grasshoppers can jump up to 20 times their body length, so higher barriers are more effective.

Predator Habitat Enhancement: To maximize predator effectiveness, create microhabitats that attract beneficial insects and birds. Place small piles of flat rocks or logs near your garden to provide shelter for toads and ground beetles. Install birdhouses at least 5-6 feet above ground level to deter climbing predators while keeping them accessible to birds. I've noticed that adding a shallow water source nearby dramatically increases the number of helpful predators in my garden within just a few days.

Seasonal Strategy Rotation: Grasshoppers can develop resistance to single methods, so rotate your approaches seasonally. Start with habitat removal in early spring, shift to physical barriers during peak growing season, then implement organic deterrents as plants mature. In late summer, focus on egg destruction through deep tilling. This layered approach creates confusion for grasshoppers while maintaining effectiveness throughout the growing season.

Frequently asked questions

When is the best time to apply grasshopper deterrents?

The best time to act is early morning or late evening when grasshoppers are least active. Apply natural repellents like neem oil or companion plants (e.g., garlic or catnip) before they become a major problem—spring and summer are critical seasons for prevention.

Are there any plants that grasshoppers won’t eat?

Grasshoppers tend to avoid strong-smelling herbs like rosemary, thyme, and mint. Marigolds, basil, and garlic also act as natural deterrents. Plant these near vulnerable crops (e.g., tomatoes or beans) to create a protective barrier.

What should I do if grasshoppers are already damaging my plants?

Start with physical removal (handpicking or vacuuming) to reduce numbers quickly. Follow up with soapy water sprays (1 tsp dish soap + 1 quart water) or introduce beneficial predators like birds or parasitic wasps. Monitor daily for 2–3 weeks.

Will companion planting alone stop grasshoppers?

Companion planting reduces grasshopper activity but may not eliminate them entirely. Combine it with physical barriers (row covers, netting) or natural repellents (neem oil, diatomaceous earth) for the best defense. Think of it as a layered approach!

Are there any chemical-free ways to deter grasshoppers long-term?

Yes! Plant diversity confuses grasshoppers, while mulching with wood chips or straw disrupts their egg-laying habits. Beer traps (bury a container filled with beer) and predator-friendly habitats (like birdhouses) also work naturally over time.