Protecting ash trees from emerald ash borer (EAB) infestations requires effective, research-backed treatments. The products below are commonly recommended for landscape trees and shrubs, offering systemic protection, long-lasting results, and easy application. This guide helps compare options, from soil drenches to implant systems and granular fertilizers that also support tree health. Each product aligns with typical homeowner and professional needs for managing EAB risk while preserving vibrant landscapes.
| Product | Type | Key Benefit |
|---|---|---|
| Fertilome (11207) Tree & Shrub Drench (1 gal) | Soil Drench | Systemic protection for up to 12 months |
| Acecap 25-Pack Systemic Insecticide Tree Implants | Implants | Season-long control; long-lived in evergreen trees |
| BioAdvanced 12 Month Tree and Shrub Protect and Feed (Granules, 10 lb) | Granules | One application; kills listed insects; slow-release fertilizer |
| BioAdvanced 12 Month Tree and Shrub Protect and Feed (Concentrate, 1 Gal) | Concentrate | Systemic protection; healthy growth with plant food |
| BioAdvanced 12 Month Tree and Shrub Protect and Feed (Granules, 4 lb) | Granules | One application; systemic protection; soil-friendly |
Fertilome Tree & Shrub Drench
Fertilome Tree & Shrub Drench provides holistic systemic protection for outdoor trees and shrubs. The formulation is designed to be applied as a soil drench, enabling rapid uptake by roots and distribution through the vascular system. It targets a range of insects, including aphids and psyllids, helping to reduce damage from common pests. The label suggests long-lasting protection, with effectiveness extending up to 12 months after a single application, making it a practical option for seasonal pest management in residential landscapes.
Acecap 25-Pack Systemic Insecticide Tree Implants
Acecap implants offer a non-chemical exposure profile for applicators and the environment, with season-long control of tree pests. The product is designed for durable performance, potentially lasting up to two seasons in evergreen trees. Ten implants are specified to treat a 14-inch diameter trunk, providing targeted, localized systemic protection. This approach minimizes soil disturbance and can be advantageous for trees with sensitive root zones or where surface applications are impractical.
BioAdvanced 12 Month Tree & Shrub Protect & Feed Granules (10 lb)
BioAdvanced Tree and Shrub Protect and Feed Granules combine insect control with slow-release plant food. A single application aims to provide a full year of protection against listed insects while also feeding the tree or shrub to improve health and vigor. The granules are designed to supply nutrients from the soil, supporting root uptake and systemic distribution. This product is suitable for outdoor landscapes and containerized plantings, offering a convenient annual maintenance option.
BioAdvanced 12 Month Tree & Shrub Protect & Feed Concentrate (1 Gal)
This BioAdvanced concentrate provides a year-long systemic shield for trees and shrubs, similar to the granule and liquid options. When mixed and applied as directed, it kills listed insects and prevents new infestations for up to 12 months. It also functions as a slow-release plant food, contributing to overall health and resilience. The concentrate formulation can be versatile for different landscape settings, from yards to larger elevations with varied irrigation approaches.
BioAdvanced 12 Month Tree & Shrub Protect & Feed Granules (4 lb)
This 4-pound granule format emphasizes long-term systemic protection with an emphasis on simplicity of application. The product combines pest control with slow-release fertilization, helping to maintain tree health while defending against a spectrum of listed insects. Suitable for both containerized and outdoor trees and shrubs, it supports root-to-leaf protection over the course of a year, making it a practical option for annual maintenance rounds in residential landscapes.
Buying Guide: Key Purchase Considerations For Emerald Ash Borer Treatments
Choosing the right EAB treatment involves weighing how a product moves through the tree, how long protection lasts, and how it fits into your landscape plan. Consider the following perspectives to select the best option for your situation:
- Application method: Soil drenches and granular formulations rely on root uptake, while implants deliver localized, long-term protection. Decide whether you prefer seasonal soil work or a low-maintenance system with embedded protection.
- Longevity and timing: Many products claim up to 12 months of protection. If your local pest pressure is high or if you have multiple large trees, you may benefit from products offering multi-season protection or easy reapplication.
- Coverage and tree size: Implants are described for specific trunk diameters, while granular and liquid options cover broader ranges. Assess your tree size and root zone accessibility when choosing.
- Health benefits: Some products pair pest control with slow-release fertilizers, improving color, growth, and resilience. This can be advantageous in stressed landscapes or poor soil conditions.
- Environmental and applicator safety: Implants are marketed as having limited environmental exposure, which may suit sensitive properties in your yard. Review safety labels to ensure compatibility with pets, children, and garden beds.
- Tree species considerations: While EAB is a concern for ash trees, many products are labeled for a range of trees and shrubs. Confirm the label supports your specific species and urban planting plan.
- Cost and maintenance plan: Some products require a single annual treatment, others may need periodic reapplication. Weigh upfront costs against long-term maintenance and tree health goals.
- Irrigation and weather: Watering requirements after application influence efficacy. Plan around rainfall patterns and seasonal irrigation to maximize uptake and distribution.
In practice, combining an EAB-focused product with a healthy soil strategy—such as a slow-release fertilizer—can help sustain tree vigor while protecting against pests. For older or stressed trees, consult a certified arborist to tailor a treatment plan to local EAB pressure and landscape goals. Always follow label directions for application rates, timing, and safety precautions to ensure optimal results and environmental stewardship.