Herbicide label

Tyrant Herbicide Label

Tyrant (EPA 100-1162-5905) is a Group 5 and 15 metolachlor and metribuzin herbicide labeled for 2 crops. The label lists 45 controlled weeds, plus partial-control, suppression, and partner-control categories.

Tyrant label facts

Crops on the Tyrant label

Tyrant is labeled for these 2 crops and uses, per the EPA label.

Weeds on the Tyrant label

The Tyrant label names 67 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 control45
  • anoda, spurred
  • beggarweed, florida
  • barnyardgrass, common
  • bluegrass, annual
  • carpetweed
  • chickweed, common
  • copperleaf, hophornbeam
  • crabgrass spp.
  • crowfootgrass
  • cupgrass, prairie
  • cupgrass, southwestern
  • foxtail spp.
  • galinsoga spp.
  • goosegrass
  • henbit
  • jimsonweed
  • junglerice
  • knotweed spp.
  • ladysthumb
  • lambsquarters, common
  • prickly lettuce
  • mallow, venice
  • mustard spp.
  • nightshade, black
  • nutsedge, yellow
  • panicum, fall
  • pennycress, field
  • pepperweed, virginia
  • pigweed spp.
  • purslane, common
  • pusley, florida
  • redweed
  • red rice
  • sesbania spp.
  • shepherd's-purse
  • sicklepod
  • sida, prickly
  • sida, teaweed
  • signalgrass, broadleaf
  • smartweed, pennsylvania
  • spurge, spotted
  • starbur, bristly
  • thistle, russian
  • waterhemp, common
  • witchgrass

Suppression

suppression13
  • barley
  • cocklebur, common
  • johnsongrass, seedling
  • kochia
  • nightshade, hairy
  • panicum, texas
  • ragweed, common
  • sandbur spp.
  • shattercane
  • sorghum, volunteer
  • sunflower, annual
  • velvetleaf
  • volunteer wheat

Controls with a tank-mix partner

needs partner14
  • amaranth, palmer
  • wild sunflower
  • buffalobur
  • morningglory, pitted
  • morningglory, smallflower
  • morningglory, ivyleaf
  • morningglory, tall
  • ragweed, giant
  • cocklebur, common
  • ragweed, common
  • velvetleaf
  • sunflower, annual
  • kochia
  • morningglory

Tyrant 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.

Tyrant FAQ

What weeds does Tyrant control?

The Tyrant label names 67 weeds, including spurred anoda, florida beggarweed, common barnyardgrass, annual bluegrass, carpetweed, and common chickweed. Control varies by crop, rate, and timing.

What crops is Tyrant labeled for?

Tyrant is labeled for 2 crops and uses, including soybeans and potato.

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

Tyrant's active ingredient is metolachlor and metribuzin (MOA Group 5 and 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.