As a gardener, you're no stranger to dealing with pests. But some are far more destructive than others. Meet the grasshopper garden pest—an insect with a truly shocking appetite. These aren't just casual nibblers; they are eating machines that can strip a young plant bare and ruin a harvest seemingly overnight. Ignoring them and hoping they leave is not a strategy. This guide gives you the actionable steps you need to identify, prevent, and completely eliminate these destructive insects from your garden for good.

Grasshoppers are a common find wherever there are plants. Roughly 11,000 grasshopper species exist around the world. Grasshoppers reside in grassy spaces like meadows, gardens, fields, and woodland. Many of these species consume leaves and plants for their survival, meaning that they can bring damage to your plants. So, if you have been noticing grasshoppers in your garden lately and you have noted a surge in number, it’s going to be serious trouble for you as a farmer or as a home gardener. On the contrary, grasshoppers may not appear as notorious as aphids or spider mites, but you should not overlook them either.

If they have entered your garden or your field, they can cause insurmountable damage to your plants if left to colonize and feed. These are voracious feeders that can eat up to half of their body weight in food in less than 24 hours. An average grasshopper weighs 0.01 ounce or 300 mg. They love to feed on fresh green leaves and foliage. An adult grasshopper or their nymph can eat away your entire garden. No one would want to see their plants eaten by the creatures and their efforts going in vain. We have solutions that can help you get rid of these garden pests.

We intend to cover all the possible aspects to help you identify grasshopper infestation, prevention, and quick elimination methods.

How to Spot a Grasshopper Infestation

Except for Antarctica, you will find grasshoppers in every corner of the world. They feast on every plant, but their meal of choice includes grasses and broadleaf plants, to be specific. Their presence in your garden is easily detectable compared to aphids or spider mites. Their size makes it easy to spot them, and as you move closer to your plants, they even let you see their hiding spots as they move. Besides being easily visible because of their size, you can also identify them through their infestation signs. If you see large holes in your plant’s foliage, know that grasshoppers feed on your plants.

Why Grasshoppers Damage Your Garden

No matter what type they are, grasshoppers can quickly decimate a garden and field alike. They are predators and feast on everything, be it ornamental plants, shrubs, grass, herbs, or fruits. Even if they are in their early or late-life stages, they gnaw your plants away without sparing the leaves and stems of every plant in your garden. Sounds scary, right? They are indeed frightening if you do not take preventive measures or develop a plan to eliminate them. The damage they can cause to your plants can be extreme; they can completely defoliate a plant, making it impossible for it to grow back.

If you believe that a few grasshoppers are harmless and it is not troubling unless they are in huge numbers, well, think again. A minimum of ten adult grasshoppers/yard can pose a significant threat to your garden, based on your growing plants. According to a study, only six grasshoppers/square yard or ten acres of pasture can eat as much as an entire cow!

Based on these facts, identifying their presence as early as possible is vital to take preventive measures. If you are a little bit late in noticing their company, a full-blown infestation will have your whole garden collapsed. From the facts that we know about grasshoppers, their species are bad for plants, but not all grasshoppers mean harm. Only those species that have the same development cycle and behaviors are dangerous for your garden.

Many of their species lay their eggs at the end of summer, and they hatch in early spring. The moment these eggs hatch, the nymphs pave their ways to consume the plant matter.

Understanding the Grasshopper Life Cycle and Behavior

To effectively manage a grasshopper problem, you first need to understand your opponent. Knowing their life cycle, habits, and what drives their population booms can give you a serious advantage. It’s not just about reacting when you see them; it’s about anticipating their moves and disrupting their cycle before they can do significant damage. Think of it as creating a garden environment where they simply can’t thrive. By learning when they are most vulnerable and what conditions they prefer, you can tailor your defense strategy for maximum impact and protect the plants you’ve worked so hard to grow.

The Boom-and-Bust of Population Cycles

If it feels like you're suddenly swimming in grasshoppers after a few quiet years, you're not imagining things. Grasshopper populations tend to run in cycles. According to the University of Nebraska-Lincoln, you can expect to see high populations for two to four years, followed by several years where their numbers are much more manageable. This boom-and-bust pattern is often tied to environmental conditions, especially weather. Understanding this helps you prepare. During a "boom" phase, you'll need to be extra vigilant with your control methods. During a "bust" phase, you can focus more on prevention to keep their numbers from climbing back up.

From Egg to Adult: The Grasshopper Lifecycle

The grasshopper journey has three main stages: egg, nymph, and adult. In late summer and fall, female grasshoppers lay their eggs in pods within the soil, usually choosing undisturbed spots like ditches, fields, or untilled parts of your garden. A single female can lay around 100 eggs. These eggs overwinter and begin hatching in mid-to-late spring. The young grasshoppers, called nymphs, emerge hungry and ready to eat. They look like miniature, wingless adults and will molt several times as they grow, causing damage from the moment they hatch. This is a critical stage for control, as nymphs are less mobile and more vulnerable than their adult counterparts.

When to Expect the Worst Damage

Grasshopper damage is often most severe in drier years, particularly in regions that receive less than 25 inches of rain annually. When their natural food sources in surrounding fields and grasslands dry up, your well-watered garden looks like an all-you-can-eat buffet. The damage typically intensifies in July and August as the nymphs mature into highly mobile adults. This is when they really start to move into gardens and yards in search of fresh, green food. For indoor growers, maintaining optimal conditions with environmental controls can help you avoid the dry, stressed conditions that make plants more susceptible to all kinds of pests.

Unusual Appetite: What Else Grasshoppers Eat

While grasshoppers aren't particularly picky, they definitely have their favorites. They are drawn to young, tender green plants. In a vegetable garden, this means your lettuce, carrots, beans, corn, and onions are prime targets. They also have a taste for flowers and other broadleaf plants. Because they are such voracious eaters, especially as nymphs, they can quickly chew through seedlings and young plants, leaving behind ragged holes in leaves and stems. Ensuring your plants are strong and healthy with the right nutrients can help them withstand some damage, but protecting these preferred plants is key to preventing a total loss.

Keeping Grasshoppers Out for Good

We know that grasshoppers or other garden pests can become a nuisance. Their infestation protection in your garden is through good gardening hygiene. If you want grasshoppers to stay away from your garden, ensure that you clear out all the debris and mow the tall grass. Those who grow indoors are not much bothered by these grasshoppers. They are big enough to enter indoors unless you want to welcome them through open windows and doors. If they are somehow entering your house, look for any exterior openings around the door, windows, and screens, and seal them as soon as possible.

Also, trim any vegetation giving them access to your plants, like overhanging branches. It is best to use a grow tent to avoid their entrance indoors to be on the safe side. These grow tents seal the plants and growing medium from the rest of the house, serving numerous benefits. One of the grow tents’ beneficial uses is that they do as an added protection layer from pests. They also seal the garden mess from the rest of the house, including soil and nutrient mishaps, atmospheric conditions, and an odor that remains inside the tent.

In case you are growing indoors, there is a lot that you can do, and yet these buggers will come damaging your plants. Grasshoppers are everywhere, and they can fly miles to feed on your precious plants.

Why Early Control is Key

When it comes to grasshoppers, timing is everything. The most effective strategy is to address them when they are young and haven't had a chance to spread. According to experts at the Colorado State University Extension, targeting grasshoppers when they are nymphs is the most successful approach. At this early stage, they are still concentrated in their breeding areas and can't fly yet, which makes them much easier to manage. Once they mature into adults, they become highly mobile, and controlling a scattered, flying population is significantly more challenging. Acting early in the season prevents a small problem from turning into a garden-wide disaster later on.

Monitor Your Garden for Early Signs

Staying ahead of a grasshopper problem requires regular observation. You need to know what to look for before the damage becomes severe. Grasshopper populations tend to fluctuate in cycles, with a few years of high numbers followed by several years of lower activity. This means you can't get complacent even if you haven't seen many around. Make it a habit to walk through your garden and inspect your plants, especially in the spring when nymphs begin to hatch. Look for small, chewed holes in leaves and keep an eye out for the tiny, wingless nymphs themselves. Catching these early signs allows you to intervene before the population explodes.

Work With Your Neighbors for Better Results

Pests don't pay attention to property lines, and a solo effort to control grasshoppers can feel like an uphill battle. Since these insects can travel long distances, a coordinated neighborhood approach is far more effective. If your yard is clear but the surrounding properties are infested, it's only a matter of time before the grasshoppers make their way back to your plants. Talk to your neighbors about what they're seeing in their gardens. By working together on a control plan, you can treat a larger area and significantly reduce the overall grasshopper population, leading to better, more lasting results for everyone involved.

Natural Ways to Get Rid of Grasshoppers

Many gardeners and farmers avoid the use of chemicals. They will never make it their priority when it comes to fighting off pests. Although many organic pesticides are safe to use around plant growers, try their luck with natural remedies.

After research, we have found the following methods that many growers have been using to ward off the grasshopper infestation from plants. These natural remedies involve ingredients that you can easily find around your house.

Try Manual Removal for Small Infestations

If you've only spotted a few grasshoppers hopping around, the most direct approach is often the best. For these smaller-scale invasions, you can simply pick the insects off your plants by hand. The best time to do this is in the early morning when the cooler temperatures make grasshoppers a bit sluggish and easier to catch. Once you have them, you can drop them into a bucket of soapy water. It’s a straightforward, chemical-free method that is surprisingly effective when you catch an infestation early before the population has a chance to grow.

Plant Trap Crops as a Diversion

A clever way to protect your prized plants is to give the grasshoppers something else they’d rather eat. This strategy is called trap cropping. By planting a border of tall grass, clover, or even flowers like zinnias around the perimeter of your garden, you create a buffer zone. These plants will attract grasshoppers, drawing them away from your vegetables or herbs. Think of it as a sacrificial offering that keeps your main garden safe. This method works with the grasshoppers' natural instincts instead of against them, providing a simple and effective line of defense.

Encourage Natural Predators

Why do all the work yourself when you can invite some helpers? Creating a welcoming environment for natural predators is a fantastic long-term strategy for pest control. Many common birds, like swallows and sparrows, love to snack on grasshoppers. You can encourage birds to visit your garden by setting up feeders, birdbaths, or nesting boxes. If you have the space, poultry such as chickens, turkeys, or guinea hens are grasshopper-eating machines and can significantly reduce pest populations while patrolling your property. This approach helps build a balanced ecosystem where pests are kept in check naturally.

Whip Up a DIY Garlic Spray

It is one of the organic methods of fighting off pests, and if you can tolerate its smell, then a garlic spray is your go-to natural remedy. It has proven effective against grasshoppers, and it is also a natural booster of your plant's nutrients. Garlic works as a suffocating agent for the small pests lingering around your plants and biting them off. You can easily make a garlic spray to handle the grasshopper infestation.

Making the spray might look like a complicated process, but it is super easy. All you need is six garlic cloves with half a cup of mineral oil and five cups of water. Let the brew settle overnight. Before spraying them on your plants, shake them well and spray them on the foliage. If you have the leftover spray in the bottle, do not worry, you can store it for two weeks in dry and darkroom.

Prepare Your Garden Soil in the Fall

Another convenient strategy to prevent grasshopper invasion in your garden is to till and cover your soil in the fall season. Tilling is a simple process of turning over and breaking up your garden soil. It will only work if you have no perennial plants in your garden.

Perennial plants can live up to two years, and tilling the soil around them will let them die. Besides tilling the soil, if you face a recurrent problem with grasshoppers, the chances are that they might be hatching from the overwintered eggs. Tilling the soil helps bring those eggs to the surface and eventually die off due to cold autumn air and winter snow. Exposing them to harsh weather will hinder their hatching till spring.

Once you have tilled your soil, plant a fall cover crop in your garden. Even if we intend to get rid of grasshoppers, we also don't want other weeds and pests to infiltrate our garden. Cover crops prevent the garden weed and other pest infestations that dwell in soil and grasshoppers, of course.

If you do not find time for soil tilling in the fall, do that in spring. Since the grasshopper eggs hatch in spring, tilling them in early spring will save the hatching as they pop out of their eggs as soon as the weather gets warmer.

Try This Simple Flour Dusting Trick

It might sound odd, but many gardeners and growers swear by this natural remedy. It may leave your garden looking a little strange, but it is one of the best treatments for warding off grasshoppers. It only takes sprinkling a little all-purpose flour on the tops of plants. Do not douse them but spray it on the leaves, and it will move downwards. Creating a fine layer on the leaves will serve as the glue for the grasshopper. It will stick to their mouths, starving them to death.

Plant Flowers and Veggies They Hate

Although grasshoppers are indiscriminative when it comes to feeding on plants, there are certain flowers and vegetables that grasshoppers don’t like. Here are some flowers and vegetables that can help you keep the grasshoppers away.

You can rely on lilac, verbena, squash, tomatoes, jasmine, peas, and sage. You can also plant tall grass on the outskirts of your garden. Grasshoppers love tall grass, and planting them on the outskirts of the garden will keep them at a distance from your plants.

Protect Young Plants with Row Covers

It can serve as an emergency line of defense against garden pests. They comprise fabric barriers held together with hoops or stakes, protecting plants from aphids and grasshoppers.

Use Durable Barriers They Can't Chew Through

While fabric row covers are a fantastic first line of defense, a particularly hungry swarm of grasshoppers might just chew right through them. If you find your fabric covers aren't holding up, it's time to bring in something tougher. Experts suggest using physical barriers like metal window screens when fabric fails. You can build simple frames around your plants or garden beds and attach the screen. This method provides excellent protection without blocking the essential sunlight and airflow your plants need to thrive. For indoor growers, this is one of the key advantages of using a grow tent, which acts as a complete, durable barrier against pests, keeping your plants safe and sound from the outside world.

Diatomaceous Earth

It is a powdered form of fossilized tiny aquatic organisms. It has always been a go-to option for many fertilizers to deal with pests. It is one of the most common garden additives that you can buy, and it is OMRI-approved.

It acts on grasshoppers as soon as it comes in contact with their bodies. It dries off their bodies and kills them. It is effective against all soft-bodied pests. Its application to plants involves using dust or using it as a spray by mixing it in water.

Using Beneficial Bugs

We know that specific bugs are beneficial to our garden, but you will be surprised to know that there are beneficial birds. Many animals and birds enjoy munching on grasshoppers. Adding a few chickens, guinea hens, and fowl can help you with grasshopper infestation by chewing on them as their food. These birds have no interest in eating your plants. You can let them roam around in your garden without any worry and let them feast on those buggers.

Use Biological Baits Like Nosema Locustae

For a more persistent grasshopper problem, you can turn to biological controls. One effective option is a bait containing Nosema locustae, a single-celled organism that acts as a natural parasite to grasshoppers. You can find this in organic baits sold under names like Nolo Bait or Semaspore. The key to success with this method is timing. You'll want to apply the bait early in the season, spreading it around the areas where you suspect grasshoppers have laid their eggs. When the young grasshoppers, or nymphs, hatch, they consume the bait, become infected, and the disease spreads through the population, offering a long-term strategy for managing grasshoppers without harsh chemicals.

Let Natural Diseases Do the Work

Using a bait with Nosema locustae is essentially introducing a natural disease into the grasshopper population. It's important to have realistic expectations about how it works. This is not a quick fix; the disease works slowly and is most effective on young, small grasshoppers near their hatching grounds. It won't do much to control an existing swarm of adult grasshoppers that have already invaded your garden. University extension programs also note that its effectiveness can be limited in hot, dry conditions. Think of it as a preventative measure that weakens the next generation rather than an immediate solution for a severe infestation.

When to Consider a Chemical Solution

Are you aware of the fact that pesticides or insecticides are safe to use for plants? You can rely on some chemical-based chemicals to get rid of the grasshopper infestation in your plants. If all the natural remedies have proven unfruitful, then chemical-based solutions are your next option. From OMRI-approved plant washers to neem oil, you can choose what is right for you and help you eliminate grasshoppers.

Understanding Insecticide Limitations

While reaching for a chemical spray can feel like a quick fix, it's important to know their limits. Controlling grasshoppers can be tricky because new ones often move into your yard even after you've sprayed, meaning you might be in for a long battle. This constant reapplication isn't just a hassle; it can also impact the delicate balance of your garden's ecosystem. Many broad-spectrum insecticides don't discriminate between pests and beneficial insects, so you could accidentally harm the very creatures that help keep pest populations in check naturally. Think of chemical solutions as a specific tool for a specific job, not a cure-all for every pest problem that hops your way.

Try Targeted Spraying

If you decide a spray is necessary, timing and precision are everything. The most effective time to apply chemicals is when grasshoppers are still in their nymph stages—small, wingless, and much more vulnerable. According to the University of Nebraska-Lincoln, this is typically in mid to late June, when most eggs have hatched but the nymphs are still young. Instead of spraying your entire garden, focus on the "hot spots" where they tend to gather, like weedy areas or the borders of your garden. This targeted approach minimizes the amount of pesticide used, reduces harm to non-target plants and insects, and is ultimately more effective at stopping the pests before they mature and cause widespread damage.

Use Insecticide Baits to Protect Pollinators

For a more focused approach that protects beneficial insects, consider using insecticide baits. These products work by mixing an insecticide with a food source that grasshoppers find irresistible, like wheat bran. As noted by Colorado State University, grasshoppers eat the bait and die, but the method is much safer for other insects. Pollinators like bees and butterflies have no interest in the bait, so they remain unharmed. You can sprinkle these baits around the perimeter of your garden to create a protective barrier, intercepting grasshoppers before they even reach your prized plants. It’s a smart way to handle a serious infestation without resorting to broad-spectrum sprays.

Neem Oil and Plant Washes

Neem oil is the best remedy against all kinds of insects, plant diseases, molds, and insect breakouts. Since it is a natural plant extract, it does not harm pollinators or animals nearby. You can wave goodbye to your garden grasshoppers by spraying them on your plants. Many growers are preventative when using this product and spray it occasionally to prevent the bugs and insects from even snacking on their plants. If your garden is more exposed to pests and is more common in your area, it is the best option.

Other than neem oil and plant washes, other products can help you against harmful pests. When we hear the word insecticide or pesticide, we envision something dangerous for plants, and the common myth associated with these pest killers is that they will kill our plants along with insects. The following products might have a bad rep, but they are harmful only to grasshoppers and other pests and not to your plants.

• Monterey Lawn & Garden 70% Neem Oil Concentrate
• Dyna-Gro Pure Neem Oil Concentrate
• NPK Industries PM Wash Ready-To-Use

Enjoy Your Grasshopper-Free Garden

We work hard to plant our garden and add beauty to it. We need to look after plants as our kids or pets and eventually become a part of our lives. One single grasshopper in your garden, and the deterioration begins. Grasshoppers can destroy all the vegetables and flowers in no time.

Since we know that these buggers do not spare any plant and attack any time, we can keep them away. It is essential to think of your pest control strategies and keep the grasshopper infestation in mind. By taking early steps to prevent infestation in your garden, you can enjoy the sight of your fully grown and healthy plants. Read our Integrated Pest Management blog and know about the pests that you can encounter as a grower and how to prevent them.