Print page Herbicide

Marengo

Also labelled for use in these areas:

Ornamentals Solutions
Herbicide

Marengo

Print page

Product Overview

 

Marengo® preemergence herbicide provides long-lasting weed control on over 90 weeds*.

 

Marengo is a selective, preemergence herbicide, that works on broadleaves, grasses and annual sedges, providing long-lasting control. Marengo is labeled for use on 150 ornamental crops*.

Marengo Cost-In-Use 
No product lasts longer than Marengo, making it one of the least expensive program options for weed management based on cost per month per acre of control. See why.


*See the product label for the full list of weeds controlled.

Key Benefits

  • Long-lasting 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
  • Labeled for preemergence weed control inside greenhouses beneath benches

Use & Control

Weeds Controlled
Eclipta, bittercress, groundsel, oxalis, marestail, spurge, crabgrass and annual bluegrass

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.

FAQ

Can I use Marengo on a wide variety of plants?

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

Where can Marengo be applied?

Marengo can be applied to field-grown and pot-in-pot nursery ornamentals, ornamental production sites, hardscapes, greenhouse floors, conifers, Christmas trees and non-bearing fruit and nut trees in nurseries.

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

The REI for Marengo is 12 hours following application.

How quickly does it work?

Marengo works best once it has been activated by 0.25" of rainfall or irrigation.

How long will the effects last?

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

Do I need to rotate Marengo with other preemergence herbicides?

As part of best management practices and for resistance management, it is recommended to rotate Marengo with other classes of chemistry.

How does Marengo compare to other preemergence herbicides?

Marengo lasts longer than other nursery herbicides while controlling over 70 though weeds. Marengo offers a high degree of plant safety on a wide range of ornamentals. Marengo can also be used on greenhouse floors beneath benches.

Related Resources

Product Guides

Label

SDS

Similar Products

Lockup_Flagship_Marengo_G_Gradient_CMYK.png Herbicide

Marengo G

Marengo® G is a granular, selective, preemergence...

See product
Lockup_Secondary_Compass_R_Gradient_RGB.jpg Fungicide

Compass 50 WG

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

See product
Digital_FMC_Talstar_Nursery_lockup_NA_US_EN.png Insecticide

Talstar Nursery

A granular formulation made specifically to meet the needs...

See product
Digital_TO_Banol-2pt5-gal_Packshot_800x500_NA_US_EN.png Fungicide

Banol

Banol fungicide is one of the industry's leading Pythium...

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_Secondary_Aliette_R_WDG_Gradient_RGB.png Fungicide

Aliette WDG

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

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_Broadform_R_Gradient_RGB.png Fungicide

Broadform

Broadform fungicide helps maximize foliar disease control...

See product
Digital_FMC_Aria_lockup_NA_US_EN.png Insecticide

Aria

Aria® insecticide has no-known cross-resistance with...

See product
Digital_FMC_B-nine_lockup_NA_US_EN.png Growth-Regulator

B-Nine

B-Nine® WSG plant growth regulator shortens the stature of...

See product
Digital_FMC_Floramite_lockup_NA_US_EN.png Insecticide

Floramite

Floramite® SC ornamental miticide (IRAC Code 20D) delivers...

See product
Digital_FMC_Terrazole-35WP_lockup_NA_US_EN.png Fungicide

Terrazole 35WP

Terrazole® L/WP (FRAC 14) are fungicides designed for the...

See product
Digital_FMC_Shuttle_lockup_NA_US_EN.png Insecticide

Shuttle

Shuttle® SC (IRAC Code 20B) miticide is a unique chemical...

See product
Digital_FMC_Terrazole-L_lockup_NA_US_EN.png Fungicide

Terrazole L

Terrazole® L/WP (FRAC 14) are fungicides designed for the...

See product
Ronstar_R_Flo_locup.png Herbicide

Ronstar FLO

Ronstar herbicide controls weeds through shoots, not roots....

See product
Digital_FMC_Talstar_Select_lockup_NA_US_EN.png Insecticide

Talstar Select

When it comes to insect control, you need a solution...

See product
Digital_FMC_Adept_lockup_NA_US_EN.png Insecticide

Adept

Adept® insect growth regulator (IRAC Code 15) is a highly...

See product
Digital_FMC_Fame_SC_lockup_NA_US_EN.png Fungicide

Fame SC

Fame® SC fungicide is powered by fluoxastrobin, the most...

See product
Lockup_Flagship_Savate_Gradient_RGB.jpg Insecticide

Savate

Savate provides excellent knockdown and residual control of...

See product
Digital_Ornamentals_Kontos_Packshot_800x500_NA_US_EN.png Insecticide

Kontos

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

See product
Lockup_Flagship_Altus_Gradient_RGB.png Insecticide

Altus

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

See product
Secondary_Lockup_Rhapsody_R_Gradient_RGB.jpg Fungicide

Rhapsody

Rhapsody is an effective, preventative biofungicide....

See product
Digital_FMC_Dismiss_Turf_lockup_NA_US_EN.png Herbicide

Dismiss Turf

Dismiss® helps you achieve faster visible sedge control...

See product
Digital_FMC_OnyxPro_lockup_NA_US_EN.png Insecticide

OnyxPro

Envu developed OnyxPro® insecticide specifically for...

See product
Lockup_Flagship_Topchoice_Gradient_RGB.jpg Insecticide

Topchoice

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

See product