Fall Is the Best Time to Prevent Weeds Before They Start

Every spring, homeowners and lawn care professionals ask the same question:

"Why is my lawn full of Poa annua and winter weeds?"

The answer often goes back to something that didn't happen in the fall.

Many winter annual weeds—including Poa annua (annual bluegrass)—begin germinating as soil temperatures cool. By the time they're visible, they've already established themselves and are competing with your desirable turf for water, nutrients, and sunlight. That's why fall is the most important season for weed prevention.

Why Fall Applications Matter

Unlike summer weeds, Poa annua thrives during the cooler months. Once it takes hold, it competes with Bermuda and other warm-season grasses throughout winter and leaves behind unsightly seed heads during spring transition.

The best defense is a fall application of a fertilizer combined with a pre-emergent herbicide before weeds germinate.

More Than Weed Control

ProPeat's 17-0-4 with .37% Prodiamine combines fertilizer and pre-emergent into one application, delivering multiple benefits at the ideal time of year.

Benefits include:

• Prevents Poa annua before it emerges
• Controls many common winter annual weeds
• Provides 17% nitrogen to encourage healthy fall growth
• Promotes stronger root development before winter
• Improves spring green-up
• Reduces weed competition for water and nutrients
• Saves time by combining fertilizer and weed prevention into one pass

When healthy turf enters dormancy with stronger roots and fewer weeds, it wakes up in spring healthier, thicker, and more uniform.

Timing Is Everything

The key to successful pre-emergent applications is getting the product down before weeds germinate. Waiting until weeds are visible is often too late.

Arizona Timing

For Arizona, apply before soil temperatures reach approximately 70°F.

• Northern Arizona: Late August – September
• Central Arizona: September – October
• Southern Arizona: Late September – October

Texas Timing

For Texas, applications should generally occur before winter weeds begin germinating.

• North Texas: Late August – September
• Central Texas: September – October
• South Texas: October – November

Keep in mind that exact timing varies depending on local weather patterns and soil temperatures.

Who Benefits?

This product is an excellent choice for:

• Lawn care professionals
• Residential homeowners
• Commercial landscapes
• Golf courses
• Sports fields

Whether you're maintaining one lawn or hundreds of acres of turf, preventing weeds before they emerge is far easier—and less expensive—than trying to eliminate them later.

Give Your Turf the Advantage

Healthy lawns don't happen by accident.

They start with making the right application at the right time.

By applying ProPeat 17-0-4 with .37% Prodiamine in the fall, you're not just preventing winter weeds—you're building stronger turf that will perform better throughout the seasons.

As Peat, our favorite grass gremlin, likes to say:

"Don't wait until weeds wave hello next spring. Kick them out before they ever move in!"

Ready for Fall?

Whether you're supplying a professional lawn care company, managing commercial properties, or caring for your own lawn, fall is your opportunity to stay ahead of weeds instead of chasing them later.

Prevent weeds before they start—and give your turf the advantage before winter arrives.