Herbicide label
Helena Pendimethalin Herbicide Label
Helena Pendimethalin (EPA 241-337-5905) is a Group 3 pendimethalin herbicide labeled for 18 crops. The label lists 57 controlled weeds, plus partial-control, suppression, and partner-control categories.
Helena Pendimethalin label facts
- Product Helena Pendimethalin
- EPA Reg. No. 241-337-5905
- Distributor Helena Agri-Enterprises, LLC, d/b/a Helena Chemical Comp
- Active ingredient pendimethalin
- MOA group 3
Crops on the Helena Pendimethalin label
Helena Pendimethalin is labeled for these 18 crops and uses, per the EPA label.
Weeds on the Helena Pendimethalin label
The Helena Pendimethalin 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 control57- amaranth, palmer
- barnyardgrass, common
- bluegrass, annual
- brome, downy
- brome, japanese
- bugloss, small
- canarygrass
- carpetweed
- cheat
- chess, hairy
- chickweed, common
- crabgrass
- crowfootgrass
- cupgrass, woolly
- dodder
- fiddleneck
- foxtail, giant
- foxtail, green
- foxtail, yellow
- goatgrass, jointed
- goosegrass
- henbit
- johnsongrass, seedling
- junglerice
- kochia
- knotweed, prostrate
- lady's thumb
- lambsquarters, common
- lambsquarters, slimleaf
- lovegrass species
- millet, wild-proso
- mustard, black
- stinging nettle
- wild oats
- panicum, browntop
- panicum, fall
- panicum, texas
- pigweed
- puncturevine
- purslane
- pusley, florida
- red rice
- rocket, london
- ryegrass, italian
- sandbur, field
- shattercane
- shepherd's-purse
- signalgrass
- smartweed, pennsylvania
- sprangletop
- sprangletop, mexican
- sprangletop, red
- spurge, annual
- swollen fingergrass
- velvetleaf
- waterhemp, common
- witchgrass
Suppression
suppression2- morningglory
- thistle, russian
Helena Pendimethalin 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.
Helena Pendimethalin FAQ
What weeds does Helena Pendimethalin control?
The Helena Pendimethalin label names 59 weeds, including palmer amaranth, common barnyardgrass, annual bluegrass, downy brome, japanese brome, and small bugloss. Control varies by crop, rate, and timing.
What crops is Helena Pendimethalin labeled for?
Helena Pendimethalin is labeled for 18 crops and uses, including field corn, soybeans, cotton, sunflower, and potato.
What is the active ingredient in Helena Pendimethalin? Is it a generic?
Helena Pendimethalin's active ingredient is pendimethalin (MOA Group 3). 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.