Herbicide label

Helena Atrazine 90 DG Herbicide Label

Helena Atrazine 90 DG (EPA 100-585-5905) is a Group 5 atrazine herbicide labeled for 5 crops. The label lists 37 controlled weeds, plus partial-control, suppression, and partner-control categories.

Helena Atrazine 90 DG label facts

Crops on the Helena Atrazine 90 DG label

Helena Atrazine 90 DG is labeled for these 5 crops and uses, per the EPA label.

Weeds on the Helena Atrazine 90 DG label

The Helena Atrazine 90 DG label names 45 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 control37
  • alexandergrass
  • amaranth
  • amaranth, spiny
  • crabgrass
  • fireweed
  • foxtail
  • junglerice
  • paintbrush, flora's
  • pellitory
  • sunflower
  • wiregrass
  • barnyardgrass, common
  • crabgrass, large
  • pigweed
  • purslane
  • brome, downy
  • cocklebur, common
  • groundcherry
  • jimsonweed
  • kochia
  • lambsquarters
  • lambsquarters, common
  • lettuce, wild
  • morning glory, annual
  • mustard
  • nightshade, black
  • wild oats
  • pennycress, field
  • ragweed, giant
  • sunflower, wild
  • thistle, russian
  • volunteer wheat
  • buckwheat, wild
  • dock, seedling
  • henbit
  • smartweed
  • thistle, annual

Partial control

partial6
  • foxtail, giant
  • foxtail, green
  • foxtail, yellow
  • sicklepod
  • velvetleaf
  • witchgrass

Controls with a tank-mix partner

needs partner2
  • carpetweed
  • panicum, fall

Helena Atrazine 90 DG 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 Atrazine 90 DG FAQ

What weeds does Helena Atrazine 90 DG control?

The Helena Atrazine 90 DG label names 45 weeds, including alexandergrass, amaranth, spiny amaranth, crabgrass, fireweed, and foxtail. Control varies by crop, rate, and timing.

What crops is Helena Atrazine 90 DG labeled for?

Helena Atrazine 90 DG is labeled for 5 crops and uses, including field corn, sorghum, sweet corn, sugarcane, and fallow.

What is the active ingredient in Helena Atrazine 90 DG? Is it a generic?

Helena Atrazine 90 DG's active ingredient is atrazine (MOA Group 5). 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.