Seasonal Weed Prevention Schedule for North Texas Lawns

Weeds are a constant battle for homeowners and businesses across Keller, Southlake, and North Texas. Because different weeds thrive during different times of the year, the most effective way to keep turf healthy is to follow a seasonal weed prevention schedule. By understanding which weeds to target in spring, summer, fall, and winter, you can stop them before they spread and protect your lawn year-round.

At Conroy’s Lawn & Landscape, our team develops customized programs as part of both residential lawn care and commercial lawn care services. Paired with soil health, irrigation adjustments, and fertilization, seasonal weed control keeps lawns thick enough to naturally resist invaders. Explore all of our landscaping services to see how weed management fits into a complete care plan.

Why Seasonal Weed Prevention Matters

Many property owners wait until weeds are already visible before treating them. By that point, the weeds have spread and produced seeds, ensuring another outbreak the following season. A preventive approach ensures that:

• Weed seeds are stopped before they germinate

• Turf stays strong and healthy enough to crowd out unwanted plants

• Lawns maintain a uniform, attractive appearance all year

For more guidance on identifying specific weeds, see our Texas Lawn Problems Identification Guide.

Spring Weed Prevention in Texas

Spring is one of the most critical times for weed prevention across Keller, Southlake, and Colleyville. As soil temperatures rise, annual grassy weeds like crabgrass and dallisgrass germinate quickly, often before turfgrass greens up fully.

Target weeds: Crabgrass, dallisgrass, henbit

Best practices:

• Apply pre-emergent herbicides in early spring to block seeds before sprouting

• Fertilize to boost turf growth and strengthen grass against invaders

• Overseed thin areas to fill in bare spots where weeds could establish

Pro tip: Begin monitoring for crabgrass once soil temps reach 55°F. Acting early is the key to stopping it.

Summer Weed Prevention in Texas

North Texas summers bring extreme heat and sudden storms, creating conditions that encourage aggressive weeds like nutsedge and spurge. Lawns stressed by drought stress vs overwatering are especially vulnerable.

Target weeds: Nutsedge, spurge, dallisgrass

Best practices:

• Avoid overwatering — soggy soils encourage nutsedge

• Improve lawn drainage to eliminate low spots

• Spot treat with post-emergent herbicides for active weeds

• Mow regularly to prevent weeds from producing seed heads

Smart drainage solutions help properties in Watauga, Trophy Club, and North Richland Hills control nutsedge and protect lawns from recurring outbreaks.

Fall Weed Prevention in Texas

Fall is a transition season where summer weeds begin to decline, but cool-season weeds start to germinate. Preparing your turf before dormancy ensures resilience in spring.

Target weeds: Clover, nutsedge

Best practices:

• Apply balanced fertilization to strengthen turf before winter

• Overseed bare spots to limit openings for weeds

• Apply a fall pre-emergent herbicide to block winter weeds

Homeowners in Grapevine and Bedford find that a dense, healthy lawn going into dormancy is the best defense against spring outbreaks.

Winter Weed Prevention in Texas

Even when lawns are dormant, cool-season weeds can spread under the surface. Preventing them in winter is essential for year-round turf health.

Target weeds: Henbit, annual bluegrass

Best practices:

• Apply fall pre-emergents to stop seeds from germinating

• Spot treat winter weeds that break through

• Avoid overwatering dormant turf in clay soils

In areas like Westlake, limiting winter irrigation is key to preventing weed activity during dormancy.

Year-Round Weed Prevention Tips

Weed prevention works best when paired with consistent lawn care. Strong, healthy turf resists weeds naturally.

• Mow at the correct height to shade soil and discourage weed seed germination

• Water deeply but infrequently to promote strong roots

• Aerate compacted clay soils to improve drainage and reduce weed growth

• Fertilize seasonally to keep turf thick and resilient

• Partner with professionals for ongoing treatments and monitoring

Our residential lawn care and commercial lawn care programs include seasonal pre- and post-emergents, fertilization, and pest prevention — everything you need to keep lawns lush and weed-free across North Texas.

Final Thoughts

Preventing weeds in North Texas requires more than quick fixes — it takes a year-round strategy. By applying pre-emergents at the right times, maintaining strong turf through fertilization, and adjusting care practices to match each season, you can stay ahead of weeds before they spread.

At Conroy’s Lawn & Landscape, we provide customized weed prevention programs for homeowners in Keller, Southlake, Colleyville, Grapevine, Bedford, North Richland Hills, Trophy Club, Westlake, and Watauga. With professional monitoring and treatment, your lawn will remain healthy, resilient, and attractive no matter the season.

Explore our full landscaping services today to protect your property from weeds, drought stress, and lawn pests all year long.