Herbicide label
Varro Herbicide Label
Varro (EPA 264-1062) is a Group 2 thiencarbazone-methyl herbicide labeled for 4 crops. The label lists 12 controlled weeds, plus partial-control, suppression, and partner-control categories.
Varro label facts
- Product Varro
- EPA Reg. No. 264-1062
- Registrant Bayer CropScience, LLC
- Active ingredient thiencarbazone-methyl
- MOA group 2
Crops on the Varro label
Varro is labeled for these 4 crops and uses, per the EPA label.
Weeds on the Varro label
The Varro label names 18 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 control12- volunteer canola
- bedstraw, catchweed
- chickweed, common
- pennycress, field
- hempnettle
- mustard, wild
- pigweed, redroot
- shepherd's-purse
- barnyardgrass, common
- foxtail, green
- wild oats
- foxtail, yellow
Partial control
partial6- buckwheat, wild
- lambsquarters, common
- smartweed, pennsylvania
- thistle, russian
- brome, japanese
- darnel, persian
Varro 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.
Varro FAQ
What weeds does Varro control?
The Varro label names 18 weeds, including volunteer canola, catchweed bedstraw, common chickweed, field pennycress, hempnettle, and wild mustard. Control varies by crop, rate, and timing.
What crops is Varro labeled for?
Varro is labeled for 4 crops and uses, including wheat, spring wheat, winter wheat, and durum wheat.
What is the active ingredient in Varro? Is it a generic?
Varro's active ingredient is thiencarbazone-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 2026-09-17.