Herbicide label
Simazine 4L Herbicide Label
Simazine 4L (EPA 19713-60) is a Group 5 simazine herbicide labeled for 2 crops. The label lists 47 controlled weeds, plus partial-control, suppression, and partner-control categories.
Simazine 4L label facts
- Product Simazine 4L
- EPA Reg. No. 19713-60
- Registrant Drexel Chemical Company
- Active ingredient simazine
- MOA group 5
Crops on the Simazine 4L label
Simazine 4L is labeled for these 2 crops and uses, per the EPA label.
Weeds on the Simazine 4L label
The Simazine 4L label names 51 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 control47- alyssum
- bluegrass, annual
- morning glory, annual
- ryegrass, annual
- barnyardgrass, common
- burclover
- carelessweed
- carpetweed
- chickweed, common
- crabgrass
- brome, downy
- panicum, fall
- fiddleneck
- filaree, broadleaf
- fireweed
- bassia, fivehook
- paintbrush, flora's
- pusley, florida
- foxtail
- goosegrass
- groundsel, common
- henbit
- junglerice
- knawel
- lambsquarters, common
- nightshade, black
- pepperweed
- pigweed
- pineapple-weed
- prickly lettuce
- purslane, common
- ragweed, giant
- rattail fescue
- redmaids
- thistle, russian
- shepherd's-purse
- signalgrass
- hairgrass, silver
- smartweed
- needles, spanish
- speedwell
- tansymustard
- mustard, wild
- wild oats
- witchgrass
- pepperweed, yellowflower
- quackgrass
Controls with a tank-mix partner
needs partner4- velvetleaf
- nutsedge
- bermudagrass
- shattercane
Simazine 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.
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.
Simazine 4L FAQ
What weeds does Simazine 4L control?
The Simazine 4L label names 51 weeds, including alyssum, annual bluegrass, annual morning glory, annual ryegrass, common barnyardgrass, and burclover. Control varies by crop, rate, and timing.
What crops is Simazine 4L labeled for?
Simazine 4L is labeled for 2 crops and uses, including field corn and sweet corn.
What is the active ingredient in Simazine 4L? Is it a generic?
Simazine 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.
Sources
Last updated 2026-09-30.