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Primo Maxx Turf Growth Regulator gallon (128 oz)

Due to state restrictions we cannot sell this item to: NY

Primo Maxx is a powerful plant growth regulator (PGR) designed to promote denser, healthier turf that thrives under stress from heat, drought, disease, and traffic. By inhibiting gibberellic acid production, Primo Maxx slows vertical growth while stimulating root, stolon, tiller, and rhizome development, resulting in a stronger, more resilient turf canopy.

Ideal for managing hard-to-mow areas, reducing the need for edging, and conserving water, Primo Maxx helps turfgrass maintain its health and appearance with less maintenance. It’s also effective in overseeding programs where Poa annua is present and offers pre-stress conditioning for better performance during extreme weather.

Product Overview

Promotes denser, more resilient turfgrass with improved stress tolerance
Reduces vertical growth while enhancing root and lateral growth
Improves drought tolerance and decreases water use with repeat applications
Great for difficult-to-mow areas and edging reduction
Use in basal rot anthracnose suppression at 0.1–0.2 oz/1,000 sq ft every 7–14 days
Compatible with Poa annua management and turf renovation programs
Improves longevity of turf marking visibility when used with marking agents
Advanced formulation mixes easily and won’t settle in spray tanks