Herbicide label
Simazine 90DF
Simazine 90DF (EPA 9779-295) is a Group 5 simazine herbicide labeled for 2 crops. The label lists 46 controlled weeds, plus partial-control, suppression, and partner-control categories.
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Simazine 90DF label facts
- Product Simazine 90DF
- EPA Reg. No. 9779-295
- Registrant WinField Solutions, LLC
- Active ingredient simazine
- MOA group 5
Crops on the Simazine 90DF label
Simazine 90DF is labeled for these 2 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 Simazine 90DF label
The Simazine 90DF label names 49 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 control46- alyssum
- barnyardgrass, common
- bassia, fivehook
- bluegrass, annual
- brome, downy
- burclover
- carelessweed
- carpetweed
- chickweed, common
- crabgrass
- rattail fescue
- filaree, broadleaf
- fireweed
- foxtail
- goosegrass
- groundsel, common
- hairgrass, silver
- henbit
- junglerice
- knawel, common
- lambsquarters
- prickly lettuce
- morning glory, annual
- mustard, wild
- needles, spanish
- nightshade, black
- wild oats
- paintbrush, flora's
- panicum, fall
- pepperweed
- pepperweed, yellow flower
- pigweed
- pineapple-weed
- purslane, common
- pusley, florida
- quackgrass
- ragweed, giant
- redmaids
- ryegrass, annual
- shepherd's-purse
- signalgrass
- smartweed
- speedwell
- tansymustard
- thistle, russian
- witchgrass
Controls with a tank-mix partner
needs partner3- morningglory
- velvetleaf
- shattercane
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
Simazine 90DF 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 and your soil texture.
Get the rate for your field: build a program and FieldMarshal cites the exact per-acre rate for your crop to 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 cites the exact plant-back for your rotational crop to the label line.
Simazine 90DF FAQ
What weeds does Simazine 90DF control?
The Simazine 90DF label names 49 weeds, including alyssum, common barnyardgrass, fivehook bassia, annual bluegrass, downy brome, and burclover. Control varies by crop, rate, and timing.
What crops is Simazine 90DF labeled for?
Simazine 90DF is labeled for 2 crops and uses, including field corn and sweet corn.
What is the active ingredient in Simazine 90DF? Is it a generic?
Simazine 90DF's active ingredient is simazine (MOA Group 5). 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 Simazine 90DF?
It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal cites the exact interval for your rotation to the label line, so you can verify it.
Build a program →Can I tank-mix Simazine 90DF?
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 cites the condition on each, so you can verify it.
Build a program →Plan in minutes, not evenings.
Start with Simazine 90DF and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and cited.
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Sources
Last updated 2026-07-11.