Herbicide label
Headwin
Headwin (EPA 83529-70) is a Group 5 and 15 metolachlor and metribuzin herbicide labeled for 2 crops. The label lists 74 controlled weeds, plus partial-control, suppression, and partner-control categories.
Build the herbicide program for your field
Tell FieldMarshal your crop, weeds, and rotation. Get back a complete program, products, rates, plant-back, and tank-mix, with every line checked against the label so you can verify it yourself.
Built from 1,700+ EPA herbicide labels and 49 state weed-control guides. Made for crop advisors and growers.
Free to create your account. Every line references the label, so you can check it against the source.
“Headwin is a selective herbicide for the control or suppression of certain grass, broadleaf and sedge weeds in potatoes, tomatoes, and soybeans.”
Headwin label facts
- Product Headwin
- EPA Reg. No. 83529-70
- Registrant Sharda USA LLC
- Active ingredient metolachlor and metribuzin
- MOA group 5 and 15
Crops on the Headwin label
Headwin is labeled for these 2 crops and uses, per the EPA label.
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the Headwin label
The Headwin label names 88 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 control74- amaranth, palmer
- anoda, spurred
- barley
- barnyardgrass, common
- bluegrass, annual
- buffalobur
- carpetweed
- chickweed, common
- cocklebur, common
- copperleaf, hophornbeam
- crabgrass
- crowfootgrass
- cupgrass, prairie
- cupgrass, southwestern
- dandelion, common
- eclipta
- foxtail, bristly
- foxtail, giant
- foxtail, green
- foxtail, millet
- foxtail, robust
- foxtail, yellow
- fumitory
- galinsoga
- goosegrass
- henbit
- horseweed
- jimsonweed
- johnsongrass
- junglerice
- knotweed
- kochia
- ladysthumb
- lambsquarters
- lambsquarters, common
- prickly lettuce
- mallow, venice
- morningglory
- morningglory, pitted
- morningglory, smallflower
- mustard
- mustard, wild
- nightshade, black
- nightshade, eastern black
- nutsedge, yellow
- panicum, fall
- pennycress, field
- pepperweed, virginia
- pigweed
- pigweed spp.
- purslane
- purslane, common
- pusley, florida
- ragweed, common
- ragweed, giant
- redweed
- red rice
- sicklepod
- sida, prickly
- sida, prickly/teaweed
- signalgrass
- signalgrass, broadleaf
- smartweed, pennsylvania
- spurge, spotted
- starbur, bristly
- sunflower, annual
- thistle, russian
- toadflax
- velvetleaf
- waterhemp, common
- waterhemp spp.
- volunteer wheat
- wheat, winter
- witchgrass
Partial control
partial12- barnyardgrass, common
- beggarweed, florida
- crabgrass
- cupgrass, woolly
- eclipta
- johnsongrass, seedling
- millet, wild-proso
- nightshade, hairy
- purslane, common
- sandbur
- shattercane
- sorghum, volunteer
Suppression
suppression14- barley
- cocklebur, common
- johnsongrass, seedling
- kochia
- nightshade, hairy
- panicum, texas
- ragweed, common
- sandbur spp.
- shattercane
- sorghum, volunteer
- sunflower, annual
- velvetleaf
- volunteer wheat
- wheat, winter
Controls with a tank-mix partner
needs partner20- cocklebur, common
- velvetleaf
- ragweed, giant
- morningglory
- jimsonweed
- ragweed, common
- sunflower, annual
- lambsquarters, common
- pigweed spp.
- amaranth, palmer
- sunflower, wild
- waterhemp spp.
- kochia
- buffalobur
- morningglory, pitted
- morningglory, smallflower
- sicklepod
- sunflower
- morningglory, ivyleaf
- morningglory, tall
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
Headwin 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 and your soil texture.
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, the rotational crop, and your state, region, and rainfall — some intervals differ in AL, AR, FL, GA, LA, MO, MS, NC, OK, SC, TN, TX, and VA.
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.
Headwin FAQ
What weeds does Headwin control?
The Headwin label names 88 weeds, including palmer amaranth, spurred anoda, barley, common barnyardgrass, annual bluegrass, and buffalobur. Control varies by crop, rate, and timing.
What crops is Headwin labeled for?
Headwin is labeled for 2 crops and uses, including soybeans and potato.
What is the active ingredient in Headwin? Is it a generic?
Headwin'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.
What's the plant-back interval after Headwin?
It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal gives you the exact interval for your rotation from the label line, so you can verify it.
Build a program →Can I tank-mix Headwin?
It depends on your target weeds, crop stage, and which partners the label approves. Build a program and FieldMarshal checks the label for approved partners and gives the condition on each, so you can verify it.
Build a program →Plan in minutes, not hours.
Start with Headwin and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.
Free account and label filter. Building a program is paid, metered by use, so you pay only for what you build.
Sources
Last updated 2026-07-14.