GrazonNext HL

Label here.

Active Ingredient:
Triisopropanolammonium salt of 2-pyridine carboxylic acid, 4-amino-3,6-dichloro-………………………………… 8.24%
Dimethyl amine salt of (2,4-dichlorophenoxy) acetic acid……………………………………… 41.26%
Other Ingredients ………………………………………………………………….. 50.50%
Total …………………………………………………………………………………… 100.00%
Acid Equivalents:
aminopyralid (2-pyridine carboxylic acid, 4-amino-3,6-dichloro-) – 4.28% – 0.41 lb/gal (50 g/L)
2,4-D [(2,4-dichlorophenoxy) acetic acid] – 34.25% – 3.33 lb/gal (400 g/L)


Extracts from Label, Pages 5 and 6

Mixing with Water: To prepare the spray, add about half the required amount of water in the spray tank. Then, with agitation, add the specified amount of GrazonNext HL and other registered tank mix herbicides. Finally, with continued agitation, add the rest of the water and additives such as surfactants or drift control and deposition aids.

Spot Application: Spot treatments may be applied at rates equivalent to broadcast-applied rate of up to a maximum of 4.2 pints (68 fl oz) on 50% of the treated field. Spray volume should be sufficient to thoroughly and uniformly wet weed foliage. Repeat treatments may be made, but the total amount of GrazonNext HL applied must not exceed 2.1 pints (34 fl oz) per acre per year.

Ground Broadcast Application: Higher spray volumes (greater than 10 gallons per acre) generally provides better overage and better control, particularly in dense and/or tall foliage.

Tank Mixing with Other Herbicides: GrazonNext HL at rates of up to 2.1 pints (34 fl oz) per acre may be mixed with labeled rates of other labeled herbicides (such as triclopyr [Remedy® Ultra and PastureGard®], clopyralid [Reclaim®], or picloram [Surmount®, Tordon® 22K]) to broaden the spectrum of weeds and brush controlled or to improve control of certain weeds. [Label page 5]

Table 2: Application rates in the table below are based on treating an area of 1000 sq ft. An area of 1000 sq ft is about 10.5 by 10.5 yards in size. Mix the amount of GrazonNext HL (fl oz or milliliters) corresponding to the desired broadcast rate in 0.5 to 2.5 gallons of water, depending upon the spray volume required to treat 1000 sq ft. A delivery volume of 0.5 gallons per 1000 sq ft is equivalent to 22 gallons per acre and 2.5 gallons per 1000 sq ft is equivalent to 109 gallons per acre.

For optimum uptake and translocation of the herbicide, avoid mowing, haying, shredding, burning or soil disturbance in treated areas for at least 7 days following application.

For most species, 2 hours between application and rainfall provides a sufficient amount of time to avoid loss in weed control due to herbicide wash-off of the treated foliage.


Amount of Grazon/1000 SF from table 2 on page 5 of the Label.

fl. oz./acfl. oz / 1000 sfTbsp / 1000 sf
190.44Scant 1
240.55~1
340.78~1.5
The 3rd Column is not from the Label.

Pull behind sprayer with new pump now sprays 3/8 gallon per 1000 SF pulled by the JD mower at the marked throttle position. That is 16.3 gallons per acre and will provide good coverage as is more than the 10 gallons per acre cited.

Ranger Field – 49,000 SF + burn pile grass area minus water area – 20,000 SF = 69,000 SF

(3/8 gallon water + 0.55 oz. Grazon) x 69 = 25.8 gallons of water + 38 oz. Grazon to spray.

In the 13 gallon pull-behind sprayer mix:

  • 13 gallons of water
  • 13 x 0.55 = 7.1 oz. Grazon
  • 0.25% v/v nonionic surfactant i.e. 0.52 oz. or 1 tablespoon.
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