Saving Ash Trees from the Inside Out: A Regenerative Boost to Traditional Borer Treatments

​

Across the U.S., Emerald Ash Borer (EAB) continues to devastate ash trees, hollowing out urban canopies and forest stands alike. The standard defense has been chemical trunk injections like Emamectin Benzoate — a powerful insecticide that targets EAB larvae from within the tree. While these treatments are effective, they tell only part of the story.

​

At Easy Environmental Solutions, we believe healing the soil and rebuilding natural tree defenses is just as important as killing the pest.

​

The Problem with a One-Sided Approach

Most EAB treatments focus solely on eliminating the insect — not on why the tree was vulnerable in the first place. Trees weakened by compacted soils, nutrient deficiencies, or microbial imbalance are sitting ducks for pests. Worse, repeated chemical applications without biological support may stress the tree’s natural systems over time.

​

Enter Regenerative Soil Microbes

Terreplenish is a regenerative soil microbial solution designed to restore the biological health of the soil around your trees.

 

Here’s how it supports ash tree recovery and resilience:

• Rebuilds microbial life that supports root uptake and immune response

• Improves soil aeration and nutrient cycling — crucial for stressed or urban trees

• Stimulates root growth and increases tolerance to environmental stressors

• Supports long-term vitality — even after chemical treatment ends

 

When paired with systemic insecticides, Terreplenish helps create the conditions for recovery, not just survival.

​

A Dual Strategy: Kill the Pest + Heal the Tree

We recommend the following integrated approach for homeowners and land managers:

​

1. Immediate Action:

   • Apply a trunk injection of Emamectin Benzoate (or similar) to stop larval damage

   • Use Dinotefuran bark spray for rapid uptake if canopy is already thinning

2. Long-Term Recovery & Prevention:

   • Wait 2 weeks after any pesticides or chemical treatments have been applied

   • Apply Terreplenish around the base of the tree to enrich the rhizosphere

   • Repeat microbial treatments seasonally or after drought/heat stress

   • Monitor canopy recovery and soil conditions annually

​

This strategy gives your ash trees the best chance not just to survive — but to thrive.

 

Regeneration is the Future of Tree Care

As climate stress, soil degradation, and invasive pests collide, our approach to tree care must evolve. It’s not enough to fight the enemy — we must restore the tree’s allies: the microbes, nutrients, and soil systems it relies on.

With products like Terreplenish, we’re bringing biology back into balance — one tree at a time.