Once-A-Year Insecticidal Drench w/Merit

Not available for sale in Canada or New York State.

Once-A-Year Insecticidal Drench with Merit is a systemic insecticide you pour at the base of a tree or shrub for 12 months of protection from one application. It is made for large trees that cannot be sprayed effectively.

What pests does it kill?

• Adelgids
• Borers, including emerald ash borers
• Asian longhorned beetle
• Leafminers
• Royal palm bugs
• Elm leaf beetles
• Leafhoppers
• Scale
• Adult Japanese beetles
• And many more

How does it work?

It is applied to the roots, then protects the entire tree or shrub, especially new growth. The protection is systemic and rainproof, and one application lasts 12 months. The active ingredient is Merit.

How do I apply it?

No spraying: simply mix and pour at the base of the tree or shrub. Apply 1 oz of concentrate for every inch of trunk circumference, measured at chest height.

How big a tree does one bottle treat?

This is a 32 oz size. One 32 oz bottle treats a tree with a trunk circumference of 32 inches.

We stock Once-A-Year Insecticidal Drench with Merit at TreeHelp.