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Product Highlights
- Prevents weeds in warm-season turfgrass and lawns
- Can be used in nurseries, christmas tree plantings, and fairways
- Controls annual broadleaf and grass weeds including crabgrass, groundsel, goosegrass, and more
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Product Overview
Princep Liquid Herbicide works as a pre-emergent herbicide used to prevent a variety of grass and broadleaf weeds such as crabgrass, groundsel, goosegrass, and many more (see label for complete details). Use Princep Liquid Herbicide before weeds emerge or after already emerged weeds have been removed. With a variety of use sites Princep Liquid Herbicide is a versatile product that can be used on commercial and residential turf (Warm Season grasses only), nurseries, Christmas trees, shelter belts, and sod farms (only in Florida).
Note: Due to New California State restrictions, this Can Not be Sold in California.
DO NOT USE THIS PRODUCT ON COOL SEASON TURF OR INJURY CAN OCCUR.
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Details
Active Ingredient Simazine 41.9% Target pests A wide variety of annual broadleaf and grass weeds, including crabgrass, goosegrass and groundsel and many others
* See label for complete listFor use in Golf courses, residential and commercial lawns (Warm Season grasses only), nurseries, commercial landscapes and ornamental plantings (when tank mixed only), Christmas tree plantings, sod farms (Florida only), and shelter belts
* See label for complete list and instructionsApplication * See label for complete application instructions Pet safe Yes, if used as directed on Label Formulation Professional Product
Group 5 HerbicideNOT FOR SALE TO AK, DC
CA, NY, VT (Restricted To Licensed Applicators Only)Shipping Weight 24.74 lbs Manufacturer Syngenta (Mfg. Number: 59200) EPA Registration 100-526 When tank mixing or sequentially applying simazine or products containing simazine, the total pounds of simazine applied must not exceed the specific maximum rate per calendar year as noted in the use directions.
Apply Princep Liquid before weeds emerge or after removal of weed growth. Princep Liquid controls a wide variety of annual broadleaf and grass weeds when used at selective rates in turf and ornamental plantings.
Where a range of application rates is given, use the low rate on coarse-textured soil and soil lower in organic matter; use the high rate on fine-textured soil and soil higher in organic matter.
Since Princep Liquid enters weeds mainly through their roots, moisture is needed to move it into the root zone. Very dry soil conditions following application may necessitate shallow cultivation or rotary hoeing.
- For use in a broad range of areas
- Controls a wide variety of broadleaf and grass weeds
WARNING: This product can expose you to chemicals including simazine, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov -
Product Documents
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11 Customer Reviews
Top Reviews
Very Effective
By Tom on 08/21/2015
I have used Princep in every form available for over 25 years because it works and the product I bought here is equally effective. Great for parking lot cracks, fence lines and areas where no growth i…
Read Full Review »Princep
By Paul on 11/15/2014
Verified Purchase
I use this with a hand sprayer to keep weeds from my driveway and fences. This liquid product is a lot easier to use than the dry product I have used in the past. I have not tried it in my lawn yet
Princep Post emergent Qualities
By Bill on 12/09/2019
Put down Princep about 3 weeks ago and have had surprisingly good results with post ermget knock down of annual bluegrass as well as some clovers and Parsley - Piert. Will do a follow up at the start …
Read Full Review » -
81 Questions & Answers
Helpful Q&A'sQHow do I mix Princep Liquid Herbicide with water (per gallon) to spray my lawn? I will use a one gallon sprayer.AYou will need to use 0.75-1.5 fl. oz./1,000 sq. ft depending on your target weed. Most folks use the higher usage rate. The first thing you need to know when using an herbicide such as Princep Herbic…
Read Full Answer »You will need to use 0.75-1.5 fl. oz./1,000 sq. ft depending on your target weed. Most folks use the higher usage rate. The first thing you need to know when using an herbicide such as Princep Herbicide is that the exact amount of water you dilute it with is not important. It is only important to make sure you are using the correct amount of product per 1,000 sq ft of lawn. Use too much and you risk damaging your lawn, use too little and you will not get adequate results. You will need to use 0.75-1.5 fl. oz per 1,000 sq ft . To decide how much water you want to use, you should mark a 1,000 sq ft area, fill your sprayer with WATER ONLY, and start walking and spraying just as if you were doing the actual application of herbicide. When you are done walking and spraying the 1,000 sq ft area note how much water it took you to spray that area, and that is the amount you will want to mix 0.75-1.5 fl. oz of product with for each 1,000 sq ft area that needs to be treated.QWhat is the coverage area that one jug of Princep Liquid Herbicide will treat?AOne 2.5 gallon jug of Princep Liquid Herbicide can cover 5-10 acres depending on the usage (1-2 qt per acre) rate needed for your use.
QHow long will Princep Liquid Herbicide stay in the soil?It was applied to an area last spring and would like to place a few plants in the same area.AIf Princep was applied a year ago, you should be fine to plant or seed the area now. Generally, you would wait between 4-6 months.
