Primo Maxx Turf Growth Regulator Linkpak (10 gal) manufacturer_OHP Q4 Plus controls or suppresses

Q4 Plus controls or suppresses many grassy and broadleaf weeds including large crabgrass

spruce spider mites and other mites

Active Ingredients: Quinclorac 8

and other labeled ornamental pests

and selected tank-mix partners for expanded vegetation management programs

Primo Maxx Turf Growth Regulator Linkpak (10 gal) manufacturer_OHP Q4 Plus controls or suppressesPrimo 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