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Simazine 4L Pre Emergent Herbicide for Broadleaf and Grass Suppression

Simazine 4L Pre Emergent Herbicide for Broadleaf and Grass Suppression Quantity in Basket: None
Code: simazine-4l-pre-emergent-herbicide-broadleaf
Price: $83.12
Shipping Weight: 25.00 pounds

Simazine 4L Herbicide for Turf & Ornamental

Simazine 4L is a herbicide that should be applied before weeds emerge or following removal of weed growth. It controls a wide variety of annual broadleaf and grass weeds when used at selective rates in agricultural and ornamental crops.

Functions and Benefits

  • Contains 4 pounds of Simazine per gallon.
  • Enters weeds mainly through their roots; moisture is needed to move it into the root zone.
  • Provides pre-emergent control of many annual broadleaf weeds and grasses in agricultural and ornamental crops.


Can Simazine 4L be tank mixed with liquid fertilizers?
Yes, but always determine compatibility before tank mixing. Be especially careful when using complete suspension or fluid fertilizers.

When applying Simazine 4L to my lawn, how close should I spray my trees and shrubs?
Do not apply Simazine 4L over the rooting area of trees or ornamentals not listed on the label. See label for specific recommendations.

Use Rate:
Rates range according to crop. It is recommended, depending upon the crop being treated, to use anywhere from 1 to 4 qts per acre of this product. See Label for exact rates.


Weeds: Annual bluegrass, Barnyardgrass, Chickweed, Cocklebur, Crabgrass, Fall Panicum, Fescue, Foxtail, Henbit, Lambsquarters, Morningglory, Mustard Wild, Other, Pigweed, Purslane, Russian Thistle, Ryegrass, Shepherdspurse, Smartweed, Thistle, Wild Oat

Crop: Apples, Citrus, Corn, Wheat

Application: Aerial, Ground, Irrigation

EPA Number: 19713-60
Manufacturer: Drexel Chemical
Label: Download PDF
MSDS: Download PDF
Active Ingredient: 42.1% Simazine
Sales Units: 2.5 GALLON
Customer Reviews
Average Customer Review: 3 out of 53 out of 53 out of 53 out of 53 out of 5 2 Reviews
Write an online review and share your thoughts with others.

1 out of 51 out of 51 out of 51 out of 51 out of 5 Controlling crab grass in my lawn, 8.13.2015
Reviewer: Harry Steger (chandler, Texas)

I used simazine on my lawn in the fall and early spring.It did not work.It was like I added crab seed. I have more crab grass than I did last year.I used the recommended rate at both application.


5 out of 55 out of 55 out of 55 out of 55 out of 5 Simazine 4L, 3.14.2012
Reviewer: Malinda Potier (Norfolk, Va.)

I use it around grave markers,sign poles sidewalk cracks ect. It does a great job nad doesn't stain the markers. I have used it for 20+ years now and highly recomend it.


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