A Comprehensive Guide to Identification, Damage, and Control

Grasshoppers are a type of insect that can cause significant damage to plants and gardens. They belong to the family Acrididae, which includes over 10,000 species worldwide. Grasshoppers are found in most parts of the world and are particularly abundant in temperate and tropical regions.


Grasshoppers are typically between 1 and 7 centimeters in length and have long, powerful hind legs that enable them to jump long distances. They have two pairs of wings, with the front wings being thick and leathery and the hind wings being membranous and used for flight. Grasshoppers have large compound eyes that allow them to detect movement and changes in light.

Grasshoppers come in a variety of colors, including green, brown, and gray. Some species have distinctive markings, such as stripes or spots, which can help with identification. In general, grasshoppers have a slender body and a distinctive head that is wider than their thorax.


Grasshoppers are voracious eaters and can quickly decimate a garden if left unchecked. They feed on the leaves, stems, and flowers of plants, often leaving large holes or completely defoliating the plant. This can lead to stunted growth, reduced yields, and even death of the plant in severe cases.

Grasshoppers are particularly attracted to plants that are tender and succulent, such as young seedlings and newly transplanted plants. They are also attracted to plants that are stressed or weakened, such as those that are drought-stressed or nutrient-deficient.


Natural Control Methods

There are several natural control methods that can help manage grasshopper populations in a garden. These methods are generally safe for humans, pets, and the environment and do not rely on the use of synthetic chemicals.

  1. Beneficial insects: Encourage the presence of natural predators such as birds, spiders, and predatory insects like assassin bugs, praying mantises, and lacewings that will feed on grasshoppers.

  2. Crop rotation: Planting different crops in different locations each year can help break the life cycle of grasshoppers and reduce their population.

  3. Physical barriers: Placing physical barriers such as row covers or netting around plants can prevent grasshoppers from accessing them.

  4. Companion planting: Planting herbs such as cilantro, dill, and fennel can repel grasshoppers and make them less likely to feed on nearby plants.

  5. Organic sprays: Sprays made from natural ingredients such as neem oil, garlic oil, or hot pepper spray can be effective in deterring grasshoppers from feeding on plants.

Pest Management

If natural control methods do not effectively manage grasshopper populations, there are several additional options for pest management. It is important to note that these methods may have negative effects on beneficial insects and other non-target organisms, so they should be used judiciously.

  1. Insecticidal soaps: Soaps made from natural ingredients such as potassium salts of fatty acids can be effective in controlling grasshopper populations.

  2. Bacillus thuringiensis (Bt): Bt is a naturally occurring bacterium that can be applied to plants and will selectively kill grasshoppers and other insects that feed on treated plants.

  3. Chemical insecticides: Synthetic chemical insecticides can be effective in controlling grasshoppers but should only be used as a last resort and with caution. They can have negative effects on beneficial insects, other non-target organisms, and the environment.


In conclusion, grasshoppers can cause significant damage to plants and gardens, but there are several natural and synthetic methods for managing their populations. At Green Grass Grove in Live Oak, FL (USDA Zone 8B), natural control methods are likely the best option due to the potential negative effects of synthetic chemicals on the environment. It is important to monitor for grasshopper activity and take action as soon as possible to prevent significant damage to plants.

Encouraging the presence of natural predators, planting different crops each year, and using physical barriers and companion planting can be effective ways to naturally manage grasshopper populations. Additionally, sprays made from natural ingredients can be a helpful tool in deterring grasshoppers from feeding on plants.

If natural control methods are not effective, insecticidal soaps and Bt can be used to control grasshoppers. However, synthetic chemical insecticides should only be used as a last resort and with caution.

By understanding the behavior and habits of grasshoppers, it is possible to take proactive steps to prevent significant damage to plants and gardens. Implementing natural control methods can not only help manage grasshopper populations but also benefit the overall health of the garden ecosystem.

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