Do Cicadas Eat Vegetable Gardens

Cicadas are a fascinating and sometimes overwhelming presence in the world of gardening. Gardeners often wonder, do cicadas eat vegetable gardens? These noisy insects have a long history of impacting agriculture, including vegetable gardens. In this article, we will explore the complex relationship between cicadas and vegetable gardens, from their diet to their impact on crops.

Cicadas have been a part of agricultural landscapes for centuries, with records dating back to ancient times. Their periodic emergence from the ground and subsequent mating rituals have intrigued and confounded farmers throughout history. Understanding the behavior and habits of these insects is crucial for gardeners looking to protect their vegetable gardens from potential damage.

In the following sections, we will delve into the appearance, behavior, and dietary preferences of cicadas, exploring how they interact with different types of vegetable gardens. We will also examine their life cycle and how it affects their presence in agricultural settings. Additionally, natural predators and control methods for managing cicada infestations will be discussed, providing valuable insights for gardeners seeking to protect their crops.

Join us on this exploration of the impact of cicadas on agriculture, as we uncover the intricate dynamics at play when these fascinating insects make an appearance in our vegetable gardens.


The behavior of cicadas in vegetable gardens is characterized by their feeding habits and reproductive activities. Adult cicadas lay eggs in the soil near the roots of plants, while nymphs emerge and feed on the sap from those same roots. This can lead to stunted growth, wilting, and ultimately plant death if left unchecked.

Common signs of cicada infestation in vegetable gardens include the presence of exit holes in the ground where nymphs emerge as adults, as well as the characteristic “flagging” or browning of leaves on affected plants. Gardeners may also notice an increase in the number of cicada exoskeletons around their garden as part of the molting process.

To address these challenges, gardeners should be proactive in monitoring for signs of cicada activity and implementing control measures when necessary. Here are some steps that can help protect your vegetable garden from cicadas:

  • Install physical barriers such as netting or mesh to prevent adult cicadas from laying eggs
  • Use organic insecticides or repellents formulated specifically for controlling cicada populations
  • Encourage natural predators like birds, parasitic wasps, and spiders that feed on cicadas

By staying vigilant and implementing appropriate management strategies, gardeners can minimize the impact of cicadas on their vegetable crops and maintain healthy yields despite the presence of these noisy insects.

What Do Cicadas Eat?

Cicadas are known for their distinctive buzzing sound and periodic emergence, but their diet and feeding habits also play a significant role in understanding their impact on vegetable gardens. These insects have a voracious appetite for plant material during their adult and nymph stages, posing a threat to various types of vegetables commonly grown in gardens.

Diet of Adult and Nymph Cicadas

Adult cicadas primarily feed on the xylem fluid of trees and shrubs using their piercing-sucking mouthparts. This behavior allows them to extract nutrients from the plants they infest, leading to significant damage and stress on the host vegetation. In contrast, nymph cicadas reside in the soil where they feed on the sap from tree roots as part of their development process before emerging as adults.

Vegetables Targeted by Cicadas

The preference of cicadas for specific types of vegetables varies depending on factors such as geographical location and available food sources. However, some common vegetables that are susceptible to cicada feeding include tomatoes, peppers, eggplants, and potatoes. These crops can experience diminished yields and quality due to the damage caused by cicadas sapping nutrients from the plants.

Cicada Feeding Damage

When cicadas consume plant material, they leave behind visible signs of damage such as wilting leaves, yellowing foliage, and stunted growth. Additionally, the physical act of egg-laying performed by adult female cicadas can further harm vegetation, leading to weakened plants that are more susceptible to diseases and environmental stressors. Understanding the specific eating habits of cicadas is crucial for implementing effective control measures to protect vegetable gardens from infestations.

Vegetable Gardening 101

Lifecycle of Cicadas

The lifecycle of cicadas plays a significant role in their impact on vegetable gardens. Understanding the different stages of development is crucial for gardeners to effectively manage and minimize the damage caused by these insects. Here’s a breakdown of the lifecycle of cicadas:

  1. Egg Stage: Cicadas begin their lives as eggs, which are laid in the branches of trees or shrubs. After a period of several weeks to several years, depending on the species, the eggs hatch and the nymphs drop to the ground.
  2. Nymph Stage: Once on the ground, the nymphs burrow into the soil and attach themselves to plant roots. They spend several years feeding on sap from tree roots, undergoing gradual molts as they grow larger.
  3. Adult Stage: After completing their final molt, adult cicadas emerge from the ground and climb onto nearby vegetation. They then shed their exoskeletons and develop wings, becoming fully mature adults ready to mate and reproduce.

The emergence of adult cicadas from the ground usually occurs in large numbers known as “broods”, which can last for several weeks. This synchronized mass emergence is a spectacle often associated with loud buzzing sounds and an increased activity of these insects.

Gardeners need to be aware of this cycle in order to anticipate when cicada infestations are likely to occur in their vegetable gardens. By understanding the timing of these events, measures can be taken to protect vulnerable crops and minimize potential damage caused by feeding adult cicadas.

Natural Predators of Cicadas

Identifying Natural Enemies

Cicadas have several natural predators that play a crucial role in controlling their populations. Birds, such as robins, blue jays, and mockingbirds, are known to feed on adult cicadas. In addition to birds, certain species of spiders and predatory insects like assassin bugs and praying mantises also prey on cicadas. These natural enemies help keep cicada populations in check and can contribute to reducing infestations in vegetable gardens.

The Role of Natural Predators

The presence of natural predators can influence the behavior and distribution of cicadas. For example, the threat of predation from birds may cause cicadas to avoid open areas or alter their feeding patterns. This can potentially limit the damage they inflict on vegetable crops. In some cases, the activity of natural enemies may even lead to a decline in cicada numbers, providing relief for gardeners dealing with infestations.

Promoting Ecological Balance

Encouraging a diverse ecosystem within and around vegetable gardens can support the presence of natural predators that target cicadas. Planting native vegetation and providing habitat structures like birdhouses can attract bird species that consume cicadas. Avoiding the use of broad-spectrum pesticides can also help maintain healthy populations of predatory insects that feed on cicadas. By promoting ecological balance and biodiversity, gardeners can harness the power of natural predators to manage cicada infestations and protect their vegetable crops.

How to Protect Your Vegetable Garden From Cicadas

Vegetable gardens are vulnerable to cicada infestations, which can cause significant damage to crops. However, there are proactive measures that gardeners can take to protect their vegetable gardens from these insect pests. One effective method is the use of physical barriers such as garden netting or row covers to prevent adult cicadas from laying eggs on young plants. These barriers can be installed before the emergence of cicadas in order to safeguard the vegetable garden.

In addition to physical barriers, planting certain flowering plants can attract natural predators of cicadas, such as birds and parasitic wasps, which help control cicada populations. Creating a diverse and balanced ecosystem in and around the vegetable garden will encourage the presence of these beneficial insects that prey on cicadas and their eggs.

Organic control methods, such as the application of neem oil or insecticidal soaps, can also help reduce cicada populations without harming other beneficial insects or pollinators in the vegetable garden. It’s important for gardeners to carefully follow instructions when using any type of pesticide or insecticide to avoid unintended harm to the environment.

Protecting Vegetable GardenMethods
Physical BarriersGarden netting or row covers
Attracting Natural PredatorsPlanting flowering plants
Organic Control MethodsNeem oil or insecticidal soaps

The Economic Impact of Cicadas on Agriculture

Cicadas are not only a nuisance to home gardeners but also pose a significant threat to commercial agriculture. The economic impact of cicadas on agriculture can be devastating, resulting in millions of dollars in crop damage and lost revenue. Commercial vegetable growers, in particular, face the challenge of protecting their crops from cicada infestations while minimizing the financial losses associated with these periodic outbreaks.

Is Triazicide Safe for Vegetable Gardens

Cicadas can cause extensive damage to a wide range of vegetable crops, including tomatoes, peppers, squash, and cucumbers. The feeding habits of adult cicadas and their nymphs can result in reduced yields and poor quality produce, leading to decreased marketable output for commercial growers. Additionally, the cost of implementing control measures to manage cicada populations further adds to the economic burden faced by agricultural producers.

In some cases, the economic impact of cicadas on agriculture extends beyond immediate crop damage. The long-term effects of repeated cicada infestations may lead to changes in farming practices and increased reliance on chemical interventions, which can have broader environmental and economic implications for the agricultural industry. As a result, understanding the economic impact of cicadas on agriculture is crucial for developing strategies to mitigate these challenges and promote sustainable farming practices.

Vegetable Crops AffectedEconomic Impact
TomatoesReduced yields and poor quality produce
PeppersDecreased marketable output for commercial growers
SquashIncreased reliance on chemical interventions
CucumbersChanges in farming practices for sustainable pest control


In conclusion, the impact of cicadas on vegetable gardens is a significant concern for both home gardeners and commercial growers. Their voracious feeding habits and ability to cause widespread damage can result in substantial economic losses for the agricultural industry. As discussed throughout this article, understanding the behavior, diet, and life cycle of cicadas is crucial for implementing effective management strategies.

While cicadas may pose a challenge to vegetable gardens, it’s important to recognize the role of natural predators in controlling their populations. Encouraging the presence of birds, predatory insects, and other animals that feed on cicadas can help reduce infestations and minimize their impact on crops. Additionally, employing proactive measures such as using physical barriers or implementing organic control methods can contribute to protecting vegetable gardens from cicada damage.

Ultimately, finding a balance between coexisting with cicadas and safeguarding vegetable crops is essential for sustainable agricultural practices. By staying informed about cicada behavior and utilizing appropriate management techniques, gardeners can mitigate the negative effects of these insects on their harvests. As the next wave of cicadas emerges, continued research and cooperation among agricultural communities will be vital in addressing the challenge of managing cicada infestations in vegetable gardens.

Frequently Asked Questions

Are Cicadas Bad for Vegetable Gardens?

Cicadas can be considered both good and bad for vegetable gardens. While they do not directly harm the plants, their egg-laying process can damage small branches by causing them to split and eventually die off.

Additionally, the noise from the male cicadas’ mating calls can be disruptive to gardeners and may affect plant growth. However, some experts believe that the nutrients from dead cicadas can actually enrich the soil, benefiting the vegetable garden in the long run.

Do Cicadas Eat Your Plants?

Adult cicadas do not typically eat plants. Their main purpose as adults is to mate and lay eggs, which involves using their sharp ovipositors to pierce tree branches for egg-laying.

However, if a large number of cicadas are present in an area, their damaged branches on trees or shrubs could indirectly impact neighboring plants by creating openings for disease or pests to enter.

Do Cicadas Eat Tomato Plants?

Tomato plants are not usually a preferred food source for cicadas. While they may feed on tree fluids as nymphs underground, adult cicadas primarily consume xylem fluid from deciduous trees through their piercing-sucking mouthparts.

Tomato plants belong to a different plant family and are less likely to be targeted by these insects compared to other vegetation like fruit trees or ornamental shrubs.

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