Print page Herbicide

Marengo G


Marengo G

Print page

Product Overview

Marengo® G is a granular, selective, preemergence herbicide, that controls many annual grasses, broadleaves and sedges, providing long lasting control. Marengo G is labeled for use on over 250 nursery plants.

Marengo G offers up to 8 months of residual control. It controls a wide range of weeds, while offering excellent plant safety. Plus, Marengo G uses Verge® carrier to provide uniform particle distribution with virtually dust-free application.

Key Benefits

  • Up to 8 months of selective, preemergence weed control reduces labor and eliminates repeat applications
  • Labeled for use on over 115 ornamental crops
  • Broad-spectrum control of over 70 different weeds means fewer escapes and fewer cleanup applications
  • Effective on hard-to-control weeds such as eclipta, bittercress, groundsel, oxalis, marestail, spurge, crabgrass and annual bluegrass
  • Spring or fall application flexibility to meet unique grower needs
  • Verge® carrier provides uniform, virtually dust-free particle distribution

Product News

Compare any herbicides. Use real costs. Maximize your investment.

This tool allows you to customize information to fit your exact parameters, see side-by-side numbers for any herbicides you choose, and plan for the future.

My Envu Rewards

My Envu Rewards is a loyalty program for eligible Turf and Ornamental purchases.

Not a member? Sign up here.


Can I use Marengo G on a wide variety of plants?

Yes, Marengo G is labeled for use on over 115 ornamental plants.

Where can Marengo G be applied?

Marengo G can be applied in production nurseries including field-grown and container ornamentals, non-bearing fruit and nut trees, ornamental production facilities (such as shadehouses, lathhouses and hoophouses) and hardscapes.

What is the re-entry interval (REI) when using Marengo G?

The REI for Marengo G is 12 hours post-application.

What personal protective equipment (PPE) is required when using Marengo G?

Long-sleeved shirt, long pants and shoes plus socks are required.

How quickly does it work?

Marengo G will begin to work once it has been activated by rainfall or irrigation.

How long will the effects last?

Marengo G can last for up to 8 months, depending upon environmental conditions and timing of application.

Do I need to rotate Marengo G with other preemergence herbicides?

As part of best management practices and resistance management, it is recommended to rotate Marengo G with other classes of chemistry, such as Ronstar® G.

How does Marengo G fit into a weed management program?

Marengo G is the longest-lasting nursery herbicide that provides broad-spectrum weed control, including control of some of the toughest nursery weeds. Marengo G can be applied to a wide range of ornamentals with the convenience of an outstanding carrier.

Related Resources

Product Guides



Similar Products

Secondary_Lockup_Rhapsody_R_Gradient_RGB.jpg Fungicide


Rhapsody is an effective, preventative biofungicide....

See product
Lockup_Flagship_Marengo_Gradient_RGB.jpg Herbicide


  Marengo® preemergence herbicide provides long-lasting...

See product
png-Lockup_Kontos_R_Gradient_CMYK.png Insecticide


Damaging insects don't stand a chance. Kontos provides...

See product
Lockup_Flagship_Savate_Gradient_RGB.jpg Insecticide


Savate provides excellent knockdown and residual control of...

See product
Lockup_Secondary_Chipco_R_26019_FLO_Gradient_RGB.jpg Fungicide

Chipco 26019 FLO

Chipco® 26019 FLO is a foliar-applied fungicide recommended...

See product
Lockup_Secondary_Compass_R_Gradient_RGB.jpg Fungicide

Compass 50 WG

Compass® 50 WG is a broad-spectrum strobilurin fungicide...

See product
Lockup_Secondary_Broadform_R_Gradient_RGB.png Fungicide


Broadform fungicide helps maximize foliar disease control...

See product
Lockup_Secondary_CoreTect_R_Gradient_RGB.jpg Insecticide

CoreTect Tree and Shrub Tablets

CoreTect® Tree and Shrub Tablets contain the active...

See product
Lockup_Flagship_Topchoice_Gradient_RGB.jpg Insecticide


A single application offers up to one year of fire ant...

See product
Lockup_Secondary_Acclaim_R_Extra_Gradient_RGB.png Herbicide

Acclaim Extra

Effective herbicide control when you need it most. Acclaim®...

See product
Lockup_Secondary_Aliette_R_WDG_Gradient_RGB.png Fungicide

Aliette WDG

Systemic control of Phytophthora and downy mildew Aliette®...

See product
Lockup_Flagship_Altus_Gradient_RGB.png Insecticide


Altus is a novel insecticide that can be used on a wide...

See product