Primo Maxx Plant Growth Regulator is a liquid concentrate that reduces mowing by up to 50% while promoting thicker, greener turf. This professional-grade plant growth regulator improves lawn density, color, and stress tolerance for healthier, more manageable grass.
In stock
SKU
69696
Primo Maxx Plant Growth Regulator is a liquid concentrate that reduces mowing by up to 50% while promoting thicker, greener turf. This professional-grade plant growth regulator improves lawn density, color, and stress tolerance for healthier, more manageable grass.
Pro Tips & Quick Tricks
Use to manage hard-to-mow areas and reduce clippings
Product Information
Primo Maxx Plant Growth Regulator for Turf
Primo Maxx Plant Growth Regulator is a liquid concentrate formulated with trinexapac-ethyl to slow vertical grass growth while promoting a thicker, healthier lawn.
By inhibiting gibberellic acid production, this plant growth regulator slows vertical turf growth while promoting lateral growth, helping reduce mowing and edging while improving turf density, color, root development, and overall stress tolerance.
Why Use Primo Maxx?
Primo Maxx works by suppressing vertical growth and redirecting energy into lateral growth and root development, resulting in stronger, more resilient turf with less maintenance.
Reduces mowing and edging by up to 50%
Promotes thicker, denser turf growth
Enhances color and overall lawn appearance
Improves tolerance to heat, drought, and disease stress
Stimulates deeper root development
When to Use Primo Maxx
Primo Maxx should be applied during periods of active turf growth to regulate growth and maintain a consistent lawn appearance.
Apply during active growing seasons, typically spring through early fall
A single application can regulate growth for up to 4 weeks
Reapply every 7 to 14 days for more consistent results
Ideal before peak growth periods to reduce mowing frequency
Avoid applying to dormant, newly seeded, or stressed turf
Retreatment Interval
Primo Maxx should be applied on a regular schedule during active turf growth to maintain consistent growth regulation and turf quality.
Reapply every 7 to 14 days for consistent growth regulation
Application intervals may extend up to 4 weeks depending on turf type and growth rate
More frequent applications provide more uniform results and better turf density
Adjust timing based on mowing frequency, weather conditions, and turf response
Do not apply to dormant or stressed turf
Pro Tips
For best results, use Primo Maxx as part of a complete lawn care program that includes proper mowing, watering, and fertilization.
Apply consistently to maintain regulated growth
Combine with proper fertilization for optimal turf health
Monitor turf response and adjust application intervals as needed
Use to manage hard-to-mow areas and reduce clipping volume
Expect improved density and color with continued use
Primo Maxx is labeled for use on a wide range of turfgrass areas where growth control and improved lawn quality are desired.
Residential lawns
Commercial turf areas
Golf courses and fairways
Sports fields and athletic complexes
Sod farms and landscaped areas
Yield
Read Label carefully for coverages
Mixture
Can be applied at rates of 0.1 to 0.2 fl. oz. per 1,000 sq. ft. every 7 to 14 days to suppress basal rot anthracnose. Use the lower rate when seedheads are present.
Application
Apply as a foliar spray to actively growing turf. This product is a concentrate and must be mixed with water before application. Always follow label directions for proper rates and timing.
Measure the treatment area to determine the correct application rate
Mix with water according to label instructions
Apply evenly using a pump or backpack sprayer for full coverage
Maintain a regular application schedule for best results
Avoid mowing immediately before or after application
Additional Info
Primo Maxx is safe for use on many established warm-season and cool-season turfgrasses when applied as directed.
Warm-season grasses: Bermuda, Zoysia, St. Augustine, Centipede, Bahia
