Herbicide label

MetalliS Herbicide Label

MetalliS (EPA 91234-52) is a Group 15 metolachlor herbicide labeled for 16 crops. The label lists 38 controlled weeds, plus partial-control, suppression, and partner-control categories.

MetalliS label facts

Crops on the MetalliS label

MetalliS is labeled for these 16 crops and uses, per the EPA label.

Weeds on the MetalliS label

The MetalliS label names 76 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 control38
  • amaranth, palmer
  • amaranth, powell
  • barnyardgrass, common
  • carpetweed
  • crabgrass
  • crabgrass, large
  • crabgrass, smooth
  • crowfootgrass
  • cupgrass, prairie
  • cupgrass, southwestern
  • cupgrass, woolly
  • eclipta
  • foxtail, bristly
  • foxtail, giant
  • foxtail, green
  • foxtail, millet
  • foxtail, yellow
  • galinsoga, hairy
  • galinsoga, smallflower
  • goosegrass
  • junglerice
  • millet, wild-proso
  • nightshade, eastern black
  • nutsedge, yellow
  • panicum, fall
  • pigweed
  • pigweed, prostrate
  • pigweed, redroot
  • pigweed, smooth
  • pigweed, tumble
  • purslane, common
  • pusley, florida
  • red rice
  • ryegrass, italian
  • signalgrass, broadleaf
  • dayflower, benghal
  • waterhemp, common
  • witchgrass

Partial control

partial8
  • beggarweed, florida
  • johnsongrass, seedling
  • nightshade, hairy
  • panicum, texas
  • sandbur, field
  • sandbur, southern
  • shattercane
  • sorghum, volunteer

Suppression

suppression5
  • bluegrass, annual
  • bluegrass, roughstalk
  • brome, california
  • brome, downy
  • rattail fescue

Controls with a tank-mix partner

needs partner27
  • cocklebur, common
  • lambsquarters
  • morningglory
  • ragweed, giant
  • smartweed
  • velvetleaf
  • jimsonweed
  • kochia
  • mustard
  • sida, prickly
  • groundcherry
  • malva
  • wild oats
  • coffeeweed
  • spurge, hyssop
  • spurge, nodding
  • spurge, prostrate
  • spurge, spotted
  • panicum, texas
  • sandbur, field
  • spurge, annual
  • stinging nettle
  • sesbania, hemp
  • mallow, venice
  • mustard, wild
  • sicklepod
  • starbur, bristly

MetalliS 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.

MetalliS FAQ

What weeds does MetalliS control?

The MetalliS label names 76 weeds, including palmer amaranth, powell amaranth, common barnyardgrass, carpetweed, crabgrass, and large crabgrass. Control varies by crop, rate, and timing.

What crops is MetalliS labeled for?

MetalliS is labeled for 16 crops and uses, including field corn, soybeans, cotton, sunflower, and potato.

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

MetalliS'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.