Herbicide label
Tyrant Herbicide Label
Tyrant (EPA 100-1162-5905) is a Group 5 and 15 metolachlor and metribuzin herbicide labeled for 3 crops. The label lists 57 controlled weeds, plus partial-control, suppression, and partner-control categories.
“Tyrant Herbicide is a selective herbicide that can be applied for control of annual grasses and the broadleaf weeds listed on this label in potatoes, soybeans, and sugarcane.”
Tyrant label facts
- Product Tyrant
- EPA Reg. No. 100-1162-5905
- Distributor Helena Agri-Enterprises, LLC, d/b/a Helena Chemical Comp
- Active ingredient metolachlor and metribuzin
- MOA group 5 and 15
Crops on the Tyrant label
Tyrant is labeled for these 3 crops and uses, per the EPA label.
Weeds on the Tyrant label
The Tyrant label names 71 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 control57- amaranth, palmer
- amaranth, powell
- anoda, spurred
- barnyardgrass, common
- bluegrass, annual
- carpetweed
- chickweed, common
- copperleaf, hophornbeam
- crabgrass, large
- crabgrass, smooth
- crowfootgrass
- cupgrass, prairie
- cupgrass, southwestern
- foxtail, bristly
- foxtail, giant
- foxtail, green
- foxtail, millet
- foxtail, yellow
- galinsoga, hairy
- galinsoga, smallflower
- goosegrass
- henbit
- jimsonweed
- junglerice
- knotweed spp.
- kochia
- ladysthumb
- lambsquarters, common
- prickly lettuce
- mallow, venice
- mustard spp.
- nightshade, eastern black
- nutsedge, yellow
- panicum, fall
- pennycress, field
- pepperweed, virginia
- pigweed, prostrate
- pigweed, redroot
- pigweed, smooth
- pigweed, tumble
- purslane, common
- pusley, florida
- red rice
- redweed
- ryegrass, italian
- sesbania, hemp
- shepherd's-purse
- sicklepod
- sida, prickly
- signalgrass, broadleaf
- smartweed, pennsylvania
- dayflower, benghal
- spurge, spotted
- starbur, bristly
- thistle, russian
- waterhemp, common
- witchgrass
Partial control
partial14- beggarweed, florida
- cocklebur, common
- cupgrass, woolly
- eclipta
- johnsongrass
- millet, wild-proso
- nightshade, hairy
- panicum, texas
- ragweed, common
- sandbur, field
- sandbur, southern
- shattercane
- sorghum (volunteer)
- velvetleaf
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 71 weeds, including palmer amaranth, powell amaranth, spurred anoda, common barnyardgrass, annual bluegrass, and carpetweed. Control varies by crop, rate, and timing.
What crops is Tyrant labeled for?
Tyrant is labeled for 3 crops and uses, including soybeans, potato, and sugarcane.
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.