October 2025 Blog
Why Fall Pre-Emergent Matters for Lawns in Denton County, TX
As cooler temperatures arrive in Denton County, TX, many homeowners assume lawn care can take a backseat until spring. But in reality, fall is one of the most important seasons for proactive lawn treatment. Applying a fall pre-emergent herbicide is a critical step in maintaining a healthy, weed-free lawn heading into the next growing season.
What is a Pre-Emergent?
A pre-emergent is a type of herbicide designed to prevent weed seeds from germinating. Unlike post-emergents that target weeds after they've grown, pre-emergents form a protective barrier in the soil that stops weeds before they emerge.
Why Fall is the Right Time
In North Texas, including areas like Argyle and the greater Denton County region, winter weeds such as henbit, poa annua (annual bluegrass), and chickweed begin germinating in the fall. If left untreated, these cool-season weeds can establish themselves over the winter and become a major nuisance in early spring.
By applying a fall pre-emergent, you can:
Prevent early germination of invasive winter weeds
Reduce the need for chemical treatments later in the year
Promote stronger turf health by reducing competition for nutrients and sunlight
Timing is Key
For Denton County lawns, the ideal window for applying fall pre-emergent typically falls between late September and late October/early November (depending on the weather), when soil temperatures begin to drop below 70°F. This timing is crucial because once weed seeds begin to germinate, the effectiveness of pre-emergent significantly decreases.
Long-Term Benefits
A consistent pre-emergent program, applied both in spring and fall, is one of the most effective ways to maintain a thick, healthy lawn year-round. It reduces the reliance on reactive treatments and supports a more sustainable approach to lawn care.
Trust the Experts
At Evergreen Lawn & Landscape, we understand the unique soil, climate, and seasonal patterns in Argyle and throughout Denton County. Our fall pre-emergent applications are tailored to local conditions, ensuring your lawn gets the protection it needs right when it matters most.
Ready to protect your lawn before winter weeds take hold?
Contact Evergreen Lawn & Landscape today to schedule your fall pre-emergent treatment.
