Top 5 Tree Systemic Insecticides: Your Buyer’s Guide

Imagine your beautiful, mature tree suddenly looking sick. Its leaves are yellowing, or maybe you see tiny bugs crawling all over it. It’s a frustrating sight, especially when you want to protect your valuable plants. Choosing the right systemic insecticide to help your trees can feel overwhelming. There are so many products out there, and it’s hard to know which one will actually work without harming your tree or the environment.

This post is here to help you understand what systemic insecticides are and how they work. We’ll break down the important things to consider when picking one. By the end, you’ll feel more confident in choosing the best option to keep your trees healthy and strong. Let’s dive in and discover how to give your trees the protection they need.

Our Top 5 Systemic Insecticide For Trees Recommendations at a Glance

Top 5 Systemic Insecticide For Trees Detailed Reviews

1. Fertilome (11207) Tree & Shrub Drench (1 gal)

Fertilome (11207) Tree & Shrub Drench (1 gal)

Rating: 9.4/10

Keep your trees and shrubs healthy and bug-free with Fertilome (11207) Tree & Shrub Drench. This powerful solution tackles a variety of common pests, giving your plants the protection they need to thrive outdoors.

What We Like:

  • Effectively controls many common garden pests like aphids and psyllids.
  • Provides long-lasting protection for up to 12 months with just one application per year.
  • Easy to use: simply mix with water and pour around the base of your plants.
  • Designed specifically for outdoor residential use to protect your valuable trees and shrubs.
  • Applying it in early spring or fall ensures the best results for your plants.

What Could Be Improved:

  • The full list of controlled insects is only available on the product label.
  • Specific mixing rates are also found only on the product label, requiring you to consult it.

This Fertilome Tree & Shrub Drench offers a convenient and effective way to defend your outdoor greenery from damaging insects. It’s a smart choice for any homeowner looking to maintain beautiful and healthy trees and shrubs.

2. Bonide Annual Tree & Shrub Insect Control with Systemaxx

Bonide Annual Tree & Shrub Insect Control with Systemaxx, 128 oz Concentrate, Year Long Protection and Insect Killer

Rating: 9.5/10

Keep your trees and shrubs healthy and pest-free all year long with Bonide Annual Tree & Shrub Insect Control with Systemaxx. This powerful concentrate is designed to tackle tough insects like borers and miners, protecting your valuable plants from damaging pests.

What We Like:

  • Year-long protection: One application provides protection for a full year, saving you time and effort.
  • Systemic action: The insecticide moves through the roots and up into the plant, protecting new growth too.
  • Effective on various pests: It kills a wide range of harmful insects, including borers and miners.
  • Rainproof protection: Once dry, it won’t wash off in the rain, ensuring continuous protection.
  • Versatile use: Works on many fruit, nut, and ornamental trees and shrubs like roses and apple trees.
  • Easy to use: Simply mix with water and apply as a spray or drench.

What Could Be Improved:

  • Concentrated formula: Requires mixing, which can be an extra step for some users.
  • Requires careful application: Following label instructions precisely is important for best results.

This Bonide product offers a strong, long-lasting solution for protecting your trees and shrubs. It’s a reliable way to keep your garden looking its best by preventing insect damage.

3. BioAdvanced 12 Month Tree and Shrub Protect and Feed

BioAdvanced 12 Month Tree and Shrub Protect and Feed, Concentrate, 1 Gal, Insect Killer and Fertilizer & Plant Food

Rating: 8.8/10

The BioAdvanced 12 Month Tree and Shrub Protect and Feed is a game-changer for anyone who wants healthy, beautiful trees and shrubs without constant fuss. This one-gallon concentrate offers a powerful solution for both insect control and plant nutrition, giving your plants the best of both worlds.

What We Like:

  • Long-lasting protection: One application keeps listed insects away for a full year. It also stops new bugs from showing up.
  • Feeds your plants: The slow-release fertilizer helps your trees and shrubs grow strong and healthy.
  • Works from the inside out: This product protects plants from their roots all the way to their leaves.
  • Kills tough pests: It targets common and destructive insects like Japanese Beetles, Emerald Ash Borers, Adelgids, Leafminers, and Aphids.
  • Simple to use: It’s a no-spray formula that’s easy to mix and apply. You can use it on trees, shrubs, and plants in pots.

What Could Be Improved:

  • Concentrated formula: You need to mix it yourself, which might be a small extra step for some.
  • Specific pest targeting: While it covers many common pests, it might not address every single possible insect problem.

Overall, the BioAdvanced 12 Month Tree and Shrub Protect and Feed makes plant care much simpler. It’s an effective way to keep your greenery looking its best all year long.

4. Bonide Systemic Insect Control

Bonide Systemic Insect Control, 16 oz Concentrate Long Lasting Insecticide for Outdoor Gardening, Makes 16 Gallons

Rating: 8.6/10

Are tiny pests ruining your beautiful garden? Bonide Systemic Insect Control Concentrate is here to help! This powerful bug killer tackles those tough garden invaders that just won’t quit. It’s designed to protect your outdoor plants from a variety of common pests, making your flowers and shrubs healthy and vibrant again.

What We Like:

  • It kills many different hard-to-kill bugs like thrips, mealybugs, scale, and spider mites.
  • The formula works fast to get rid of bug problems right away.
  • You can use it on over 100 types of plants, including flower beds, roses, and shrubs.
  • It can be mixed with some fungicides or fertilizers for a combined treatment.
  • One 16 oz bottle makes up to 16 gallons of spray.

What Could Be Improved:

  • This product is not for use on vegetable or fruit plants.
  • It’s only for outdoor residential use.

Bonide Systemic Insect Control is a great solution for keeping your ornamental plants pest-free. It’s an effective way to bring back the health and beauty of your garden.

5. BioAdvanced 12 Month Tree and Shrub Protect and Feed II

BioAdvanced 12 Month Tree and Shrub Protect and Feed II, Granules, 4 lb, Outdoor Insect Killer

Rating: 9.4/10

Keep your trees and shrubs healthy and pest-free all year long with BioAdvanced 12 Month Tree and Shrub Protect and Feed II. This easy-to-use granule formula provides a full 12 months of protection against a wide range of common garden pests. It also feeds your plants, promoting stronger growth and a more vibrant appearance.

What We Like:

  • Provides a full year of protection against many common pests like Japanese beetles and Emerald Ash Borers with just one application.
  • Kills existing insects and stops new ones from infesting your plants.
  • Feeds your trees and shrubs with a slow-release fertilizer, making them healthier.
  • Protects plants from their roots all the way to their leaves for complete defense.
  • Easy to apply – just spread the granules around the base of your plants; no spraying is needed.

What Could Be Improved:

  • The product targets specific listed pests; it might not cover every single insect that could bother your plants.
  • The 4 lb container may not be enough for very large yards with many trees and shrubs.

This product offers a simple and effective way to protect your valuable trees and shrubs while boosting their health. It’s a great solution for busy gardeners who want long-lasting results with minimal effort.

Choosing the Right Systemic Insecticide for Your Trees

Trees are beautiful. They give us shade and clean air. But sometimes, bugs attack them. Systemic insecticides can help protect your trees. This guide will help you pick the best one.

What to Look for: Key Features

When you buy a systemic insecticide, look for these important things:

  • Target Pests: What kind of bugs are bothering your trees? Some insecticides work on many pests. Others are made for just one or two. Make sure the product kills the pests you see.
  • Active Ingredient: This is the part of the insecticide that actually kills bugs. Common active ingredients include Imidacloprid and Dinotefuran. Different ingredients work in different ways.
  • Application Method: How do you put it on the tree?
    • Soil Drench: You mix the insecticide with water and pour it around the tree’s base. The roots soak it up.
    • Trunk Injection: This involves injecting the insecticide directly into the tree trunk. It’s usually done by professionals.
    • Granules: You spread these around the base of the tree. Rain or watering helps them soak in.
  • Longevity: How long does it last? Some last a few months. Others can protect your tree for a whole year. Longer-lasting products mean fewer applications.
  • Safety: Is it safe for your family, pets, and helpful insects like bees? Always read the label carefully.
Important Materials and How They Affect Quality

The main material is the active ingredient. A higher concentration of the active ingredient often means it’s more powerful. But it also means you need to be more careful when using it.

The formulation of the product matters too. Is it a liquid, granules, or something else? Liquids can be easy to mix and apply as a drench. Granules are simple to spread. The formulation can affect how well the insecticide works and how long it lasts.

What Makes a Systemic Insecticide Better or Worse?

Factors that improve quality:

  • Proven Effectiveness: Does the product have good reviews? Does it list the specific pests it controls?
  • Ease of Use: A product that is simple to mix and apply makes the job easier.
  • Long-lasting Protection: If it protects your tree for a long time, it’s a better value.
  • Lower Risk to Non-Target Organisms: Some products are designed to be less harmful to bees and other beneficial insects.

Factors that reduce quality:

  • Doesn’t Target Your Pests: If the insecticide doesn’t kill the bugs you have, it’s useless.
  • Short Protection Time: You’ll have to reapply it often.
  • Difficult to Apply: If it’s messy or complicated, you might not use it correctly.
  • Harmful to Beneficial Insects: This can cause more problems in the long run.

User Experience and Use Cases

People use systemic insecticides for many reasons.

  • Preventing Infestations: You can apply them before pests become a big problem. This keeps your trees healthy.
  • Treating Existing Problems: If your trees already have bugs, systemic insecticides can kill them.
  • Protecting Against Specific Pests: Common pests include aphids, borers, and scale insects.

Most users find soil drench and granular applications to be the easiest for home use. Trunk injections are usually for larger trees or more serious infestations. Always follow the instructions on the product label. Wearing gloves and long sleeves is a good idea when applying any insecticide.


Frequently Asked Questions (FAQ) about Systemic Insecticides for Trees

Q: What exactly is a systemic insecticide?

A: A systemic insecticide is absorbed by the plant’s roots or trunk. The plant then moves it throughout its system. When insects eat the plant’s leaves or sap, they ingest the insecticide and die.

Q: What are the most common pests that systemic insecticides treat?

A: They commonly treat sucking insects like aphids, scale, mealybugs, and whiteflies. They can also help with some chewing insects like borers.

Q: How long does it take for a systemic insecticide to work?

A: It usually takes a few days to a week for the insecticide to move through the plant and start killing pests.

Q: How often should I apply systemic insecticide?

A: This depends on the product and the pest. Some last for months, while others need to be applied more often. Always check the product label for specific directions.

Q: Are systemic insecticides safe for my pets and children?

A: Many are safe when used as directed. However, it’s important to keep pets and children away from the application area until it has dried or soaked in. Always read the safety precautions on the label.

Q: Will this kill bees or other beneficial insects?

A: Some systemic insecticides can harm bees if applied when they are actively foraging. Look for products that are less toxic to bees or apply them when bees are not active (like in the evening).

Q: Can I use systemic insecticide on fruit trees?

A: Yes, but be very careful. Check the label to make sure it’s approved for fruit trees and follow the pre-harvest interval (PHI) instructions. This tells you how long you must wait after application before harvesting fruit.

Q: What is the best time of year to apply systemic insecticide?

A: The best time depends on the pest you are trying to control. Often, early spring before pests become active is a good time for preventative treatment.

Q: My tree has a lot of damage. Can systemic insecticide still help?

A: Systemic insecticides are most effective when used to prevent damage or when the infestation is not yet severe. For very heavily damaged trees, other methods might be needed, or the tree may not recover.

Q: Where can I buy systemic insecticides for trees?

A: You can find them at garden centers, hardware stores, and online retailers.

In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.

If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.

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