Herbicide label
Willowood Paraquat 3 SL Herbicide Label
Willowood Paraquat 3 SL (EPA 87290-35) is a Group 22 paraquat herbicide labeled for 29 crops. The label lists 35 controlled weeds, plus partial-control, suppression, and partner-control categories.
“Willowood Paraquat 3 SL is a contact herbicide for control or suppression of a broad spectrum of emerged weeds including most small annual broadleaf and grass weeds.”
Willowood Paraquat 3 SL label facts
- Product Willowood Paraquat 3 SL
- EPA Reg. No. 87290-35
- Active ingredient paraquat
- MOA group 22
Crops on the Willowood Paraquat 3 SL label
Willowood Paraquat 3 SL is labeled for these 29 crops and uses, per the EPA label.
Weeds on the Willowood Paraquat 3 SL label
The Willowood Paraquat 3 SL label names 53 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 control35- barley
- barnyardgrass, common
- bluegrass, annual
- brome, downy
- brome, rescue
- chickweed
- crabgrass
- dogfennel
- fiddleneck
- foxtail
- foxtail, giant
- goosegrass
- groundcherry, cutleaf
- groundsel, common
- henbit
- johnsongrass, seedling
- maids, red
- millet, texas
- wild oats
- panicum, fall
- pigweed
- purslane
- ragweed, common
- red rice
- rocket, london
- ryegrass
- shepherd's-purse
- sicklepod
- signalgrass, broadleaf
- small grain, volunteer
- sowthistle
- spikeweed
- tansymustard
- volunteer wheat
- witchweed
Partial control
partial14- cocklebur, common
- knotweed
- kochia
- lambsquarters
- prickly lettuce
- mallow
- horseweed
- morningglory
- ragweed, giant
- sedges
- sida, prickly
- smartweed, pennsylvania
- starbur, bristly
- velvetleaf
Suppression
suppression4- bindweed, hedge
- dandelion
- ryegrass, italian
- thistle, canada
Willowood Paraquat 3 SL 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.
Willowood Paraquat 3 SL FAQ
What weeds does Willowood Paraquat 3 SL control?
The Willowood Paraquat 3 SL label names 53 weeds, including barley, common barnyardgrass, annual bluegrass, downy brome, rescue brome, and chickweed. Control varies by crop, rate, and timing.
What crops is Willowood Paraquat 3 SL labeled for?
Willowood Paraquat 3 SL is labeled for 29 crops and uses, including field corn, soybeans, wheat, cotton, and sunflower.
What is the active ingredient in Willowood Paraquat 3 SL? Is it a generic?
Willowood Paraquat 3 SL's active ingredient is paraquat (MOA Group 22). 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.