Primo MAXX Plant Growth Regulator Reviews | Do My Own

Primo MAXX Plant Growth Regulator

Customer Reviews

Primo MAXX Plant Growth Regulator

Primo MAXX Plant Growth Regulator

(14)

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Rating Snapshot

5 stars

12

4 stars

1

3 stars

0

2 stars

1

1 star

0

(14)
4.7 out of 5 stars

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30 of 32 people found this review helpful:

1st time PGR user

By Mark in Central Texas 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 …

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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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16 of 20 people found this review helpful:

Primo MAXX

By Anthony in NH on 07/31/2013

As a turf manger works very well saves on water and greens up as always re applying on cool season grass every 7-14 days

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11 of 20 people found this review helpful:

Complex instructions

By Craig in Columbus, GA on 06/16/2023

I am hoping this stuff works even though the instructions were difficult to understand. i have a bluegrass lawn with bare spots. I just needed to know how many ounces per gallon for my sprayer. Not ob…

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10 of 10 people found this review helpful:

Works instantly

By Pete in ABERDEEN, WA on 06/17/2022

Had a small portion of the yard that grows twice as fast as the rest. Applied Primo MAXX same day that I mowed and the area now grows at the same rate, going on three weeks now.

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9 of 10 people found this review helpful:

Primo MAXIMO! ????

By Alex in CONYERS on 08/18/2023

I love this product, I should have been using it earlier. I saw results instantly. Instead of cutting twice a week, I only had to cut once a week and my grass looks plush and beautiful (Bermuda).

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4 of 9 people found this review helpful:

Not as good as T nex

By My in TX on 08/05/2022

Value isn't there also the applications seem much weaker

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4 of 5 people found this review helpful:

Works as advertised!

By Joe in Ocean Isle Beach, NC on 08/25/2023

I couldn't keep up with my Zoyzia lawn this June. Warm temps and plenty of well timed rain fall! I was mowing every 3 to 5 days to maintain my 3" height. After some research I decided to try a PGR pro…

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4 of 4 people found this review helpful:

Primo Max PGR

By James in Naperville,IL on 05/31/2024

It definitely is slowing the growth and the lawn appears thicker. However, it did cause a slight yellowing of the lawn, which was corrected with an application of iron.

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2 of 2 people found this review helpful:

Great results with PGR

By Mark in Bellingham, MA on 06/17/2022

I used this nearly 2 weeks ago and my TTTF has barely budged - even after applying 21-0-12 fertilizer prior. I applied Primo Maxx at max rates and rank mixed with 6 oz./K liquid iron and a NIS. I'll b…

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2 of 2 people found this review helpful:

Works well

By Rio in Little Rock on 05/05/2023

Been using it for two years now. Slows down growth of grass I do a perimeter pass then I do the rest of my lawn

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2 of 2 people found this review helpful:

PRIMO MAXX

By Gil in NC on 05/10/2024

Seems to be working !! Less vertical growth, while greening and thickening horizontally !!

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1 of 1 people found this review helpful:

Primo MAXX

By Rob in Picayune Mississippi on 08/18/2023

Excellent. The product arrived much sooner than expected, was in fine shape, and met all my needs!

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1 of 1 people found this review helpful:

Primo MAXX PGR: Great Product!

By Cameron in Baltimore, Maryland on 10/14/2024

Greeting DIYers, If you are doing a lawn over-seeding Primo Maxx PGR is for you. The product is really easy to use and apply to your lawn. It gives you the ability to throw your new seed down, wit…

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Excellent product

By Ray in Piedmont on 07/04/2025

My lawn is looking great while under regulation with Primo MAXX and the price was great. Highly recommend shopping with DoMyOwn. Great products at great prices.

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