Herbicide label

HELMET Herbicide Label

HELMET (EPA 74530-74) is a Group 15 metolachlor herbicide labeled for 15 crops. The label lists 25 controlled weeds, plus partial-control, suppression, and partner-control categories.

HELMET label facts

Crops on the HELMET label

HELMET is labeled for these 15 crops and uses, per the EPA label.

Weeds on the HELMET label

The HELMET label names 65 weeds and rates each by how the product handles it: full control, partial control, suppression, or control with a tank-mix partner. A weed can fall at more than one level, because control varies by crop, rate, and timing.

Controls

full control25
  • barnyardgrass, common
  • carpetweed
  • crabgrass
  • crowfootgrass
  • cupgrass, prairie
  • cupgrass, southwestern
  • foxtail, bristly
  • foxtail, giant
  • foxtail, green
  • foxtail, robust
  • foxtail, yellow
  • galinsoga
  • goosegrass
  • grass, signal
  • foxtail, millet
  • nightshade, eastern black
  • nutsedge, yellow
  • panicum, fall
  • pigweed
  • pusley, florida
  • red rice
  • waterhemp, common
  • witchgrass
  • cupgrass, woolly
  • millet, wild-proso

Partial control

partial8
  • beggarweed, florida
  • eclipta
  • johnsongrass, seedling
  • nightshade, hairy
  • purslane, common
  • sandbur
  • shattercane
  • sorghum, volunteer

Controls with a tank-mix partner

needs partner34
  • bindweed, field
  • bromegrass species
  • cocklebur, common
  • lambsquarters
  • morningglory
  • nightshade, hairy
  • panicum, browntop
  • purslane, common
  • ragweed, giant
  • smartweed
  • velvetleaf
  • coffeeweed
  • groundcherry
  • junglerice
  • mallow
  • wild oats
  • purslane
  • sesbania, hemp
  • mallow, venice
  • mustard, wild
  • jimsonweed
  • kochia
  • mustard
  • sida, prickly
  • panicum, texas
  • sandbur, field
  • spurge, annual
  • sicklepod
  • spurge, hyssop
  • spurge, nodding
  • spurge, prostrate
  • spurge, spotted
  • starbur, bristly
  • stinging nettle

HELMET rates and plant-back

The label answers both with a table, not a single number. Here is what drives each answer.

Application rate

Your rate depends on your crop.

Get the rate for your field: build a program and FieldMarshal gives you the exact per-acre rate for your crop from the label line.

Plant-back and rotation

Your interval depends on your application rate and the rotational crop.

Get the interval for your rotation: build a program and FieldMarshal gives you the exact plant-back for your rotational crop from the label line.

HELMET FAQ

What weeds does HELMET control?

The HELMET label names 65 weeds, including common barnyardgrass, carpetweed, crabgrass, crowfootgrass, prairie cupgrass, and southwestern cupgrass. Control varies by crop, rate, and timing.

What crops is HELMET labeled for?

HELMET is labeled for 15 crops and uses, including field corn, soybeans, cotton, potato, and peanut.

What is the active ingredient in HELMET? Is it a generic?

HELMET's active ingredient is metolachlor (MOA Group 15). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.

Sources

Last updated 2026-09-30.