Herbicide label
Sparrow
Sparrow (EPA 83100-51-83979) is a Group 2 nicosulfuron and rimsulfuron herbicide labeled for 1 crops. The label lists 32 controlled weeds, plus partial-control, suppression, and partner-control categories.
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Sparrow label facts
- Product Sparrow
- EPA Reg. No. 83100-51-83979
- Distributor Rotam North America, Inc.
- Active ingredient nicosulfuron and rimsulfuron
- MOA group 2
Crops on the Sparrow label
Sparrow is labeled for these 1 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 Sparrow label
The Sparrow label names 55 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 control32- barnyardgrass, common
- canarygrass
- cereals, volunteer
- crabgrass, large
- cupgrass, woolly
- foxtail, bristly
- foxtail, giant
- foxtail, green
- foxtail, yellow
- goosegrass
- johnsongrass, seedling
- rhizome johnsongrass
- millet, wild-proso
- muhly, wirestem
- panicum, fall
- panicum, texas
- quackgrass
- ryegrass, italian
- sandbur, field
- shattercane
- signalgrass, broadleaf
- wild oats
- witchgrass
- amaranth, powell
- burcucumber
- dandelion
- jimsonweed
- morning glory, annual
- mustard, wild
- pigweed, redroot
- pigweed, smooth
- sunflower, annual
Suppression
suppression9- cocklebur, common
- ladysthumb
- lambsquarters, common
- dogbane, hemp
- nutsedge, yellow
- smartweed, pennsylvania
- thistle, canada
- velvetleaf
- waterhemp, common
Controls with a tank-mix partner
needs partner21- cocklebur, common
- kochia
- ladysthumb
- lambsquarters, common
- mallow, venice
- nightshade, eastern black
- ragweed, common
- ragweed, giant
- smartweed, pennsylvania
- velvetleaf
- waterhemp, common
- sicklepod
- sida, prickly
- radish, wild
- eveningprimrose, cutleaf
- pusley, florida
- nightshade, black
- amaranth, palmer
- morningglory, ivyleaf
- crabgrass, smooth
- nutsedge, yellow
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
Sparrow 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.
Sparrow FAQ
What weeds does Sparrow control?
The Sparrow label names 55 weeds, including common barnyardgrass, canarygrass, volunteer cereals, large crabgrass, woolly cupgrass, and bristly foxtail. Control varies by crop, rate, and timing.
What crops is Sparrow labeled for?
Sparrow is labeled for 1 crops and uses, including field corn.
What is the active ingredient in Sparrow? Is it a generic?
Sparrow's active ingredient is nicosulfuron and rimsulfuron (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 Sparrow?
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 Sparrow?
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 Sparrow 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.