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Plant Growth Regulators (PGRs)

Plant growth regulators, or PGRs, are professional tools that mimic natural plant hormones to help redirect how grass grows. Instead of encouraging fast vertical growth, these treatments slow down shoot development and guide the plant to focus on expanding roots, thickening blades, and building internal strength. This leads to a healthier, more manageable lawn with fewer mowings, deeper color, and better drought tolerance. Whether you’re looking to reduce stress on your turf or maintain a cleaner look through the growing season, PGRs can be a smart addition to your lawn care program.
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How WeedPro Handles Plant Growth Regulators

At WeedPro, we use PGRs as part of a strategic plan to help your lawn perform better during active growing periods. After evaluating your grass type and soil conditions, we apply a specially selected growth regulator that interacts with the plant’s internal systems, including auxin and cytokinins. These products temporarily suppress gibberellin production, the hormone responsible for vertical growth, and shift the plant’s energy into root expansion, tillering, and blade thickness.
This shift results in more compact, dense turf that holds moisture longer, resists disease better, and looks more uniform. You’ll also find yourself mowing less often, since top growth is managed without harming the grass. Our process is tailored to your lawn’s timing and goals, ensuring the treatment works with your turf’s natural rhythms.
Timeline graphic showing optimal application windows for Plant Growth Regulators in Atlanta, GA lawns.
WeedPro technician in branded vest overlooking a manicured lawn, ready to apply plant growth regulators for uniform turf density.

Signs You May Benefit from Plant Growth Regulation

PGRs can be especially helpful for lawns that grow aggressively or face seasonal stress. Here are a few signs this service might be right for you:
  • Grass grows quickly and needs` frequent mowing
  • Turf color looks inconsistent or lacks density
  • You’re preparing for summer heat or drought conditions
  • You manage a high-visibility area and want a clean, uniform appearance
  • You want to reduce clippings and improve overall lawn maintenance
  • Your grass struggles to thicken despite regular fertilizing
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FAQ – Plant Growth Regulators (PGRs)

They are compounds that influence grass development by interacting with natural hormones. Most notably, they suppress gibberellin, which controls upward shoot growth, allowing the plant to focus on roots, thickness, and color.
Not at all. These treatments slow growth in a controlled way while enhancing root health and turf density. Grass still grows—it just grows smarter.
Typically every four to six weeks during active growth periods. Frequency may vary depending on grass type, weather, and condition.
Yes, but you’ll likely mow less often. Many homeowners report a 30 to 50 percent reduction in mowing needs.
Absolutely. PGRs promote a more uniform look, reduce patchiness, and help turf retain its natural green color.
Yes. Once dry, PGRs are safe. They’re commonly used on residential lawns, athletic fields, and public spaces with high safety standards.
No. They complement services like fertilization, pest control, and irrigation. Together, they improve turf performance and resilience.
Yes. PGRs are widely used on golf courses, sports fields, and high-traffic areas to control wear and manage turf growth.
Most common grasses—Bermuda, Zoysia, and Fescue—respond well. We'll match the right formula to your specific turf.
Expect reduced vertical growth within a week. As applications continue, you’ll see thicker turf, fewer clippings, and more color consistency.

Ready to Improve Lawn Health with Less Effort? Let’s Make Your Grass Work Smarter

A beautiful lawn doesn’t always need to grow faster to grow better. With Weed Pro’s plant growth regulator service, we help shift energy into what matters—deep roots, strong blades, and consistent color. If you're looking for a low-maintenance solution to support a high-performance lawn, we're ready to help. Call today for a free quote and see how smart lawn care with PGRs can transform your turf.

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