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Primo MAXX Plant Growth Regulator is for the purpose of pre-stress conditioning, to prepare turfgrass for extreme conditions before they hit. Extensive research has proven that implementing a program which includes an application of Primo MAXX Plant Growth Regulator prior to the onset of stresses like heat, drought, disease and traffic can strengthen the turf, and therefore allow it to withstand ongoing stresses throughout the season.
Primo MAXX Plant Growth Regulator for turf growth management reduces the frequency of mowing and the amount of grass clippings by reducing the vertical growth of warm- and cool-season turfgrasses. Other benefits, such as increased turf density, increased color, and increased turf quality, are frequently observed after Primo MAXX Plant Growth Regulator applications.
Primo MAXX Plant Growth Regulator can be applied to well-maintained, quality turfgrass areas, such as residential and commercial lawns, golf courses, sod farms, sports fields, cemeteries, and similar areas. Primo MAXX Plant Growth Regulator is useful in the management of difficult-to-mow areas and can be used to minimize the need for edging turfgrass along sidewalks, curbs, parking lots, driveways, flower beds, fences and around posts, storage sheds, and trees.
Product Documents
| Active Ingredient | Trinexapac-ethyl 11.3% |
|---|---|
| Target pests |
Cool and Warm Season grasses * See label for complete list |
| For use in |
Well-maintained, quality turf-grass areas, such as residential and commercial lawns, golf courses, sod farms, sports fields, cemeteries, and similar areas - Useful in the management of difficult-to-mow areas and can be used to minimize the need for edging turf-grass along sidewalks, curbs, parking lots, driveways, flower beds, fences and around posts, storage sheds, and trees * See label for complete list |
| Application | * See label for complete application instructions |
| Pet safe | Yes, if used as directed on Label |
| Formulation | Professional Product |
| NOT FOR SALE TO | NY (Restricted To Licensed Applicators Only) |
| Shipping Weight | 9.46 lbs |
| Manufacturer | Syngenta (Mfg. Number: 22534) |
| EPA Registration | 100-937 |
Primo MAXX for turf growth management reduces the frequency of mowing and the amount of grass clippings by reducing the vertical growth of warm- and cool-season turfgrasses. Other benefits, such as increased turf density, increased color, and increased turf quality, are frequently observed after Primo MAXX applications.
Primo MAXX can be applied to well-maintained, quality turfgrass areas, such as residential and commercial lawns, golf courses, sod farms, sports fields, cemeteries, and similar areas. Primo MAXX is useful in the management of difficult-to-mow areas and can be used to minimize the need for edging turfgrass along sidewalks, curbs, parking lots, driveways, flower beds, fences and around posts, storage sheds, and trees.
1st time PGR user
By Mark on 06/11/2022
Wow, used this at 1/2 rate on Zoysia in central Texas just as the heat hit in late May. My grass has only grown just a little in almost 10 days and has grown thick and green. I need to mow it now but I'm leaving town again for a few days, so can't. But at the slow rate it's growing I think it will be fine. I'll mow it on day 13 I guess. Normally I have to mow every 5 days or I get problems with clippings on top. Despite that I keep it at 3.5 inch range or higher, but this time the grass looks amazing and the growth is super slow. It did get the gold tint a little bit the first few days, but grew out of that. We are at 104 F today. Still drinking water at a high rate. Zoysia will dry out in our clay soil pretty fast. As will any grass, so the water it needs is less than some others, but it will grow faster than advertised with good sun and water, which is required to keep it green, and it's pretty thick which leads to clipping issues. This PGR thing seems to be making my life a lot easier by reducing the mow frequency, and the grass is super green and dark. Palisades zoysia if it matters. Wish they sold a 1 quart size of this stuff. These little bottles are a good way to try this stuff without a huge investment. I used about 2/3 of a bottle on 18000 sq feet of grass. But read the label, and put it down even. I used a tow behind sprayer. For those that have issues with the math on mixing. This is how I do it. As an example, my front yard is 10000 sq feet. When I spray it at walking speed with my sprayer it takes 20 gallons of water, which is 2 gallons per 1000. Take the recommended rate of chemical per 1000 sq feet on the label, multiply that by 10 for 10000 sq ft. Of actual grass. Don't focus on the amount of solution, but think of it as the amount of total chemical for the 10000 feet. The water comes out of the sprayer the same every time. I put a splash of dye marker in my rig so I can see the water level easily from the mower. I don't like to do herbicides this way because I have nice trees and don't want to overload the ground under them, spot treat with a hand sprayer for those weeds (Certainty and Celsius combo is a rock star solution for dang near any weed in zoysia). Hope this helps. PGR os working great, and this company has never failed me in dozens of purchases. The scorpions are all dead, the spiders are at bay, and the grass is the envy of town. I'm a happy homeowner, and working less than ever. The so called “professionals” will never care as much about the outcome as you will, so get to work.
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25 of 26 people found this review helpful
Primo MAXX
By Anthony on 07/31/2013
Verified Purchase
Works instantly
By Pete on 06/17/2022
Complex instructions
By Craig on 06/16/2023
Primo MAXIMO! ????
By Alex on 08/18/2023
Per the manufactuers label Primo MAXX Plant Growth Regulator becomes rainfast one hour after application. Watering or Irrigation would be fine after the one hour drying period.
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48 of 49 people found this answer helpful
Can or should a surfactant be used with Primo Maxx? Also, I am looking to spray around bronze markers in a cemetery. Will this damage the bronze markers if the regulator hits the marker?
Yes, Primo MAXX Plant Growth Regulator can be mixed with a surfactant. You should try and keep any overspray from contacting non target plants.
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24 of 25 people found this answer helpful
No, this is not harmful to dogs or other animals when used as directed. You should keep pets out of the treatment area until your application of Primo MAXX Plant Growth Regulator is completely dry.
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20 of 26 people found this answer helpful
Primo Maxx, urea and Mec Amine -D
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9 of 18 people found this answer helpful
Primo MAXX Plant Growth Regulator
Rating: 4.7 (13 Reviews / 20 Q&A)
