Herbicide label
Irongate
Irongate (EPA 70506-629) is a Group 2 flucarbazone and pyroxsulam herbicide labeled for 4 crops. The label lists 50 controlled weeds, plus partial-control, suppression, and partner-control categories.
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“IRONGATE Herbicide is absorbed by foliage and roots of susceptible weeds, which cease growth soon after application.”
Irongate label facts
- Product Irongate
- EPA Reg. No. 70506-629
- Registrant UPL NA, Inc.
- Active ingredient flucarbazone and pyroxsulam
- MOA group 2
Crops on the Irongate label
Irongate is labeled for these 4 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 Irongate label
The Irongate label names 59 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 control50- barnyardgrass, common
- bedstraw, catchweed
- bittercress, hairy
- blackgrass
- bluegrass, bulbous
- brome, california
- brome, downy
- brome, japanese
- brome, ripgut
- burclover, spotted
- buttercup, smallflower
- volunteer canola
- cheat
- chess, hairy
- chickweed, common
- chickweed, mouseear
- clover, white
- corn, volunteer
- darnel, persian
- falseflax, smallseed
- fiddleneck
- flixweed
- foxtail, green
- foxtail, yellow
- carolina geranium
- gromwell, corn
- hempnettle, common
- henbit
- ladysthumb
- lambsquarters, common
- mustard, black
- mustard, blue
- mustard, tansy
- mustard, tumble
- mustard, wild
- mustard, wormseed
- oat, tame
- wild oats
- pennycress, field
- pepperweed, virginia
- pigweed, redroot
- ryegrass, italian
- shepherd's-purse
- smartweed, annual
- smartweed, pennsylvania
- tansymustard, pinnate
- thistle, russian
- vetch, hairy
- wallflower, bushy
- windgrass, common
Suppression
suppression13- foxtail barley
- bedstraw, catchweed
- brome, california
- brome, downy
- buckwheat, wild
- canarygrass, hood
- canarygrass, littleseed
- coreopsis, plains
- eveningprimrose, cutleaf
- rattail fescue
- henbit
- quackgrass
- rescuegrass
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
Irongate 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.
Irongate FAQ
What weeds does Irongate control?
The Irongate label names 59 weeds, including common barnyardgrass, catchweed bedstraw, hairy bittercress, blackgrass, bulbous bluegrass, and california brome. Control varies by crop, rate, and timing.
What crops is Irongate labeled for?
Irongate is labeled for 4 crops and uses, including wheat, winter wheat, spring wheat, and durum wheat.
What is the active ingredient in Irongate? Is it a generic?
Irongate's active ingredient is flucarbazone and pyroxsulam (MOA Group 2). 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 Irongate?
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 Irongate?
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 Irongate and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.
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Sources
Last updated 2026-07-14.