Herbicide label
Sim-Trol 4L
Sim-Trol 4L (EPA 35915-11-60063) 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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Sim-Trol 4L label facts
- Product Sim-Trol 4L
- EPA Reg. No. 35915-11-60063
- Distributor Sipcam Agro USA, Inc.
- Active ingredient simazine
- MOA group 5
Crops on the Sim-Trol 4L label
Sim-Trol 4L 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 Sim-Trol 4L label
The Sim-Trol 4L label names 47 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
- amaranth
- barnyardgrass, common
- bassia, fivehook
- bluegrass, annual
- brome, downy
- burclover
- carpetweed
- chickweed, common
- crabgrass
- rattail fescue
- fiddleneck
- filaree, broadleaf
- fireweed
- flixweed
- foxtail
- goosegrass
- groundsel, common
- henbit
- junglerice
- knawel
- lambsquarters
- morning glory, annual
- mustard
- mustard, wild
- nightshade, black
- panicum, fall
- pepperweed
- pepperweed, yellow flower
- pineapple-weed
- pigweed
- prickly lettuce
- purslane
- ragweed, giant
- redmaids
- ryegrass, annual
- shepherd's-purse
- shieldcress
- signalgrass
- smartgrass
- speedwell
- tansymustard
- thistle, russian
- velvetleaf
- wiregrass
- witchgrass
Controls with a tank-mix partner
needs partner1- quackgrass
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
Sim-Trol 4L 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 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.
Sim-Trol 4L FAQ
What weeds does Sim-Trol 4L control?
The Sim-Trol 4L label names 47 weeds, including alyssum, amaranth, common barnyardgrass, fivehook bassia, annual bluegrass, and downy brome. Control varies by crop, rate, and timing.
What crops is Sim-Trol 4L labeled for?
Sim-Trol 4L is labeled for 2 crops and uses, including field corn and sweet corn.
What is the active ingredient in Sim-Trol 4L? Is it a generic?
Sim-Trol 4L'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 Sim-Trol 4L?
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 Sim-Trol 4L?
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 Sim-Trol 4L 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.