Pre-emergent weed control is a must in the spring, as it prevents weeds by creating a chemical barrier in the soil that stops further growth. This treatment is highly effective at reducing the number that pop up on your lawn as the new growing season gets underway. However, timing is crucial; it should be applied before seeds germinate, typically between mid-March and Memorial Day. While pre-emergents prevent new weeds, post-emergents are necessary for existing weeds. Combining both strategies forms a comprehensive weed control approach, ensuring prevention and elimination. Regular monitoring further enhances this strategy, promoting a healthy and lush lawn in Ohio.
What is pre-emergent weed control, and how does it work?
Pre-emergent weed control is a preventive approach designed to stop weeds before they even reach the surface. These herbicides create a chemical barrier in the soil that disrupts their growth process. When newly germinated weeds attempt to sprout, the herbicide prevents them from breaking through and emerging. This means that even if they're present, they won’t be able to access the resources they need for further development. By employing pre-emergent weed control, you can reduce the need for constant weeding and create an environment where your grass can thrive without competition. It’s important to note that pre-emergents won't eliminate existing weeds, which makes timing and supplementary strategies critical.
When should you apply pre-emergent weed control?

The effectiveness of pre-emergent weed control hinges on timing. The ideal application period is in the spring before weed seeds start germinating. Generally, this window occurs between mid-March and Memorial Day, though it may vary based on local climate conditions and the specific weeds you aim to control.
Monitoring soil temperature is a reliable method for timing your application. Once the soil reaches a consistent temperature of about 55 degrees Fahrenheit, it’s likely that weed seeds are beginning to germinate. A timely application ensures that the pre-emergent barrier is in place just as the seeds are starting to sprout. Applying too early may mean the barrier degrades before peak germination, while applying too late allows weeds to establish.
Use Post-Emergent Weed Control Treatments to Eliminate Any Existing Weeds on Your Lawn
Pre-emergents are excellent for prevention, but they don't affect weeds that have already taken root and started growing. This is where post-emergent herbicides come into play. These are designed to target weeds that have emerged from the soil, disrupting their growth processes and ultimately killing them.
Using a combination of pre- and post-emergent weed control creates a comprehensive strategy. It ensures that you not only prevent new weeds but also tackle existing ones. Some products work better for certain growth stages of weeds, so understanding the life cycle of your specific weed problem is beneficial. By integrating both approaches, you maintain a two-pronged defense against weeds, providing your turf with the best opportunity to flourish. Additionally, consistent monitoring can further enhance the effectiveness of your weed control strategy.
Call us today to sign up for our weed control service!
At Barnes Nursery, we offer a comprehensive weed control service that is designed to keep your lawn weed-free all season long. Our team of experts will apply a pre-emergent herbicide at the right time, between mid-March and Memorial Day, to ensure that your lawn is protected from weeds before they even have a chance to sprout. We'll also use post-emergent weed control treatments to eliminate any existing weeds that may have already taken root.
With our help, you can enjoy a lush, green lawn that stays free of unsightly weeds. We offer our weed control service to residential and commercial properties, as well as HOAs, in Huron, Sandusky, Port Clinton, and nearby areas in Ohio. Call 419-433-5525 to schedule this service today!


