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Primo MAXX Plant Growth Regulator PGR

Quick overview Primo MAXX inhibits vertical growth while enabling rich color, lateral stems and root mass development.

Active Ingredients: Trinexapac-ethyl 11.3%
EPA Signal Word: WARNING / AVISO
EPA Registration Number: 100-937
Application Rate Range: (see label)
Container Size(s): 1 Gal., 10 Gal.

Primo MAXX Plant Growth Regulator (PGR) targets the part of the plant which inhibits vertical growth while enabling rich colour, lateral stems and root mass development. The purpose of pre-stress conditioning is to prepare turf grass for extreme conditions before they hit.


A turf management tool that maximizes performance, pre-conditions for stress prevention, and optimizes the mowing effort.

Label and SDS

  Product Label

  Product SDS

Primo MAXX Features

Golf courses, residential and commercial lawns, sod production, sports fields, cemeteries, and similar areas

  • Repeat applications improve turf quality and stress tolerance, allowing plants to survive adverse weather better and keep the course in playable condition.
  • This micro-emulsion formulation is as clear as water, odorless and causes no staining or smell on the golf course.
  • Turf growth is reduced about 50% for up to four weeks when applied at label rate. So Primo MAXX product cost will pay for itself with labor and equipment savings.
  • Improves overseeding establishment.
  • Turf treated with Primo MAXX results in grass which is healthier, has a more durable blade with a higher tolerance to weather extremes.
Product description

Primo MAXX Plant Growth Regulator (PGR) targets the part of the plant which inhibits vertical growth while enabling rich colour, lateral stems and root mass development. The purpose of pre-stress conditioning is to prepare turf grass for extreme conditions before they hit.


A turf management tool that maximizes performance, pre-conditions for stress prevention, and optimizes the mowing effort.

Product variants
Primo MAXX Plant Growth Regulator PGR 1 Gal.
Primo MAXX Plant Growth Regulator PGR, 1 Gal.
Primo MAXX inhibits vertical growth while enabling rich colour, lateral stems and root mass development.

Sold Individually, Case Qty. = 2 x 1 Gal.
PRICE BREAKS - The more you buy, the more you save
Quantity 2+
Price $362.95
Delivery date: 3-5 days
$364.95
Picture of Primo MAXX Plant Growth Regulator PGR, 10 Gal.
Primo MAXX Plant Growth Regulator PGR, 10 Gal.
Primo MAXX inhibits vertical growth while enabling rich colour, lateral stems and root mass development.

Sold Individually

TRUCK SHIP ONLY This product will ship LTL freight. It will not be shipped until you contact us for a freight quote, (800) 603-6271

$3,429.95
Additional information
Manufacturer: Syngenta
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