Best Insecticide for Trees and Shrubs—Top Picks for 2026

Managing pests on trees and shrubs requires a reliable, long-lasting solution. This guide highlights five effective products from trusted brands that protect against common insects while supporting plant health. Each option emphasizes systemic protection, ease of use, and enduring results for American yards and landscapes.

The following table summarizes the featured products, including their primary benefits and target use. Use it to compare formulation type, coverage, and protection duration at a glance.

Product Brand Formulation Protection Duration Key Benefit
Bonide Annual Tree & Shrub Insect Control with Systemaxx (128 oz) Bonide Concentrate, systemic through root uptake Year Long Translocates through roots to protect new growth
Ferti-Lome Tree & Shrub Drench (1 gal) Ferti-Lome Systemic soil drench Up to 12 months Broad-spectrum insect control for outdoor trees and shrubs
BioAdvanced 12 Month Tree & Shrub Protect & Feed (64 oz) BioAdvanced Concentrate with systemic action 12 months Integrated fertilizer and pest protection
BioAdvanced 12 Month Tree & Shrub Protect & Feed (1 Gal) BioAdvanced Concentrate, systemic 12 months Healthy growth plus pest protection
BioAdvanced 12 Month Tree & Shrub Protect & Feed (32 oz) BioAdvanced Concentrate, systemic 12 months Comprehensive protection and plant nutrition

Note: Product performance depends on site conditions, tree or shrub species, and label directions. Always follow label instructions for application rates, safety, and compatibility with existing fertilizers or other treatments.

Bonide Annual Tree & Shrub Insect Control with Systemaxx (128 oz)

Bonide Annual Tree & Shrub Insect Control with Systemaxx 128 oz

Check Price on Amazon

Bonide’s Systemaxx formulation is engineered to move through the root zone and ascend into the tree or shrub, delivering systemic protection against borers, miners, and various insects. The 128-ounce concentrate enables significant coverage for larger landscapes or multiple plantings. This product is designed for listed fruit, nut, and ornamental trees and shrubs, including roses and several fruit varieties, offering extended protection for new growth as well as established tissue.

Key features include root-zone translocation, year-long protection, and compatibility with a range of trees and ornaments. When preparing solutions, ensure thorough mixing with water and follow the label for recommended application timing and dilution. This option is well-suited for homeowners seeking long-term control without frequent reapplication.

Fertilome Tree & Shrub Drench (1 gal)

Fertilome Tree & Shrub Drench 1 gallon

Check Price on Amazon

The Fertilome drench combines systemic protection with a formulation designed for outdoor residential use. The product protects trees and shrubs for up to 12 months and targets a broad range of insects, including aphids and psyllids. It’s particularly convenient for homeowners who prefer a single, annual treatment that contributes to plant health through systemic uptake.

Use cases include established landscapes where frequent monitoring is challenging. Always check the label for specific tree species compatibility and any seasonal timing recommendations. A key advantage is its longer protection window, reducing seasonal re-entry into the treatment routine while maintaining pest control performance.

BioAdvanced 12 Month Protect & Feed—64 oz Concentrate

BioAdvanced 12 Month Tree & Shrub Protect and Feed 64 oz

Check Price on Amazon

This BioAdvanced option combines a year-long insect-protection plan with slow-release plant food. The concentrate is formulated to protect both containerized and outdoor trees and shrubs from roots to leaves, helping to maintain vigor while dealing with pest pressure. The 64-ounce size offers a balance of coverage and ease of handling for mid-sized landscapes.

Users benefit from the dual action of pest defense and nutrition, which can support overall plant health through the growing season. As with all systemic products, ensure you apply according to label directions and consider irrigation practices to maximize root uptake and effectiveness.

BioAdvanced 12 Month Protect & Feed—Concentrate (1 Gal)

BioAdvanced 12 Month Tree & Shrub Protect & Feed 1 Gallon

Check Price on Amazon

With a one-gallon concentrate, this BioAdvanced product targets a wide insect range while supplying essential nutrients to support growth. The 12-month protection profile aims to reduce the need for multiple applications, making it suitable for larger properties or line-decorating plantings where maintenance windows are limited.

Label guidance covers mixing rates, tree and shrub compatibility, and how to apply to avoid runoff or foliar burn. The integrated pest control and plant food approach is designed for homeowners seeking a straightforward, long-lasting solution that improves plant resilience in addition to pest suppression.

BioAdvanced 12 Month Protect & Feed—Concentrate (32 oz)

BioAdvanced 12 Month Protect & Feed 32 oz

Check Price on Amazon

The 32-ounce BioAdvanced formulation provides a compact option for smaller yards or for homeowners who want a lighter, easier-to-manage dose. The product still delivers 12-month protection and includes slow-release fertilizer to support sustained growth. It is compatible with a variety of trees and shrubs and is designed to be user-friendly in typical home landscapes.

Pros across these BioAdvanced offerings include consistent protection and nutrition in one package, minimizing maintenance complexity while promoting plant vitality. As always, follow the label for application rates, safety considerations, and seasonal timing to maximize results.

Buying Guide: Key Purchase Considerations

  • Scope of protection: Consider whether you need year-long systemic protection or a shorter window. Longer durations reduce reapplication frequency but require careful timing around watering and pruning.
  • Formulation type: Liquid concentrates with systemic action vs. granular or drench formats. Drenches may require more water volume but can simplify root uptake for larger trees.
  • Plant compatibility: Check label lists of suitable trees and shrubs. Some products are designed for fruit trees, ornamentals, or a broad range of species.
  • Nutrition integration: Fertilizer-and-pest products provide plant nutrition alongside pest control, which can support growth during pest pressure periods.
  • Application method: Liquid vs. granular application affects labor, timing, and irrigation needs. Ensure you have the right tools for mixing and applying.
  • Environmental safety: Look for products with lower drift risk and clearer label instructions to protect beneficial organisms and water sources.
  • Cost considerations: Compare cost per unit of coverage, not just price. Larger containers often reduce cost per application but may require more storage space.

To optimize results, evaluate your landscape: species-specific vulnerability, infestation history, soil conditions, and irrigation practices. For mixed plantings or large properties, a year-long systemic option paired with an annual maintenance plan can provide steady protection with minimal disruption to routine.