Guide to Protect Your Trees and Shrubs from Insects

Insects can turn your trees and shrubs' leaves brown, curl them, or leave chew marks. But in some cases, they can cause much more than aesthetic issues.



Tired of annoying insects biting your shrubs? Do you want your trees and plants free from pests?

Insects can turn your trees and shrubs' leaves brown, curl them, or leave chew marks. But in some cases, they can cause much more than aesthetic issues.

Pests can quickly become a problem if you are not too careful. Before you notice, one compromised branch turns into a whole infected tree.

Sadly, some pests hinder the tree’s vital process until eventually killing it.

You don't want your beautiful, healthy garden to be the home of dangerous pests.

In this article, Purple Care, lawn maintenance experts, will share 6 tips to keep away or eliminate yard pests.

Protect Your Trees & Shrubs from Insects: 6 Expert Tips

Do you want to get rid of or prevent insects in your yard?

You can implement several methods to maintain your garden free from malevolent insects.

Let’s explore 6 different ways to keep your trees and shrubs protected and healthy:

Use Natural Predators

One simple way to keep pests at bay is using natural predators.

For example, ladybugs and lacewings are natural predators. Their presence in your lawn helps control aphids.

Aphids are the most common type of tree and shrub pests. These tiny insects feed on your plants' sap and can damage your yads’ flora.

You can purchase these beneficial natural predators from garden centers or lawn care companies.

Identify The Pest

If your trees or shrubs have caught a pest, the first thing you must do is identify it.

Each pest is unique and might require a tailored solution, so it’s essential to know what you are dealing with.

Some common pests that can harm trees and shrubs include:


  • aphids

  • mites

  • scale insects

  • caterpillars


How can you identify which pest is attacking your yard?

Take a close look at the insects and the symptoms your tree displays. Then, look them up on the internet.

No results? Another option is calling lawn care professionals. They’ll quickly recognize the pest and tell you how to eliminate it.

Prune Infected Branches

Are your trees or shrubs just starting to show signs of pests?

You might see chew marks or leaves rolling or turning brown.

What you want to do here is stop the pests from infecting the rest of the plant.

Prune the infected branch immediately.

Notice that despite your pruned the infected area, some types of pests can still spread or return. Keep an eye on the tree or shrub to ensure it stays healthy.

Try Natural Pesticides

Natural pesticides are highly efficient in eliminating yard pests without causing harm to the environment.

They might also be better for your or your gardener’s health, as you won’t be exposed to harsh chemicals.

Additionally, organic pesticides won’t introduce chemicals to your soil, plants, and food.

Here is a list of natural insecticides:


  • Neem Oil: Neem tree extract can efficiently affect nearly 400 species of insects, among them beetles, moths, leaf miners, and weevils. To use it, follow the instructions on the bottle and spray the oil on the plant’s affected area.

  • Diatomaceous Earth: This natural substance is made from the fossilized remains of diatoms. It has many uses, the most common being pesticide. Diatomaceous Earth dries out insects, eliminating them from your yard. It comes as a powder, which you can dust around your plants or sprinkle on the foliage.

  • Soap Solution: A soap mix is a simple yet excellent solution to get rid of aphids, spider mites, beetles, and other hungry insects. Mix half a teaspoon of liquid soap with a quarter of water and spray it on your plants.


Purchase Chemical Pesticides

For severe pests, you might have to resort to chemical pesticides.

These insecticides tend to be stronger than organic ones.

However, you must be extra careful when handling them. The chemicals can compromise your health and those of people near the area where you apply the pesticide. We recommend leaving this task in the hands of professionals.

These are 3 ways to apply pesticides to trees and shrubs:


  • Soil Drench: This is a popular method to administer insecticides. The product is sprayed on the soil near the roots to ensure optimal absorption.

  • Bark Benches: This pest control practice involves applying liquid pesticide directly to the tree or shrub’s bark.

  • Trunk Injections: Also known as endotherapy, this strategy involves injecting a substance into a tree through small holes drilled into the trunk. Trunk injections promote quick delivery and enhanced treatment absorption. Another advantage is that they are efficient in any type of weather—no more wind or rain washing off your pesticide.


Call Lawn Care Professionals

Some pests can cause more struggle than homeowners think. They are resilient and will put up a fight before leaving.

Lawn care experts know how to treat each specific pest and disease.

They’ll efficiently remove the insects and ensure they disappear for good.

Keep Your Trees And Shrubs Healthy And Lush

Some insects can be terribly dangerous for your garden flora. They feed on your grass, trees, and shrubs sap—the lifeblood of your plants.

Luckily, many strategies exist to stop pests from becoming a big problem.

While there are many solutions to eliminating pests, the best is to prevent them. And nothing discourages pests like a well-cared garden.

Keep your trees and shrubs trimmed, nurtured, and tidy, and enjoy a healthy, verdant garden.


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