Herbicide label

FirstRate Herbicide Label

FirstRate (EPA 62719-275) is a Group 2 cloransulam-methyl herbicide labeled for 1 crops. The label lists 18 controlled weeds, plus partial-control, suppression, and partner-control categories.

FirstRate label facts

Crops on the FirstRate label

FirstRate is labeled for these 1 crops and uses, per the EPA label.

Weeds on the FirstRate label

The FirstRate label names 24 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 control18
  • cocklebur, common
  • dayflower
  • dayflower, marsh
  • dayflower, spreading
  • horseweed
  • jimsonweed
  • lambsquarters, common
  • mallow, venice
  • marshelder
  • morning glory, annual
  • mustard, wild
  • pigweed, annual species
  • ragweed, common
  • ragweed, giant
  • sicklepod
  • smartweed, pennsylvania
  • sunflower, annual
  • velvetleaf

Partial control

partial2
  • amaranth, palmer
  • waterhemp, common

Suppression

suppression4
  • burcucumber
  • copperleaf, hophornbeam
  • nutsedge, yellow
  • thistle, canada

FirstRate 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.

FirstRate FAQ

What weeds does FirstRate control?

The FirstRate label names 24 weeds, including common cocklebur, dayflower, marsh dayflower, spreading dayflower, horseweed, and jimsonweed. Control varies by crop, rate, and timing.

What crops is FirstRate labeled for?

FirstRate is labeled for 1 crops and uses, including soybeans.

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

FirstRate's active ingredient is cloransulam-methyl (MOA Group 2). 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.