Lawn Care

How Weed Control Works on Your Lawn: What to Expect Before and After Spraying

By June 28, 2025June 30th, 2025No Comments

If you’ve ever battled stubborn weeds like dandelions or clover in your lawn, you know how frustrating it can be. That’s where targeted weed control for your lawn makes all the difference. At Earth Smart Property Solutions, we use professional-grade weed control products to safely and effectively eliminate common broadleaf weeds—without harming your grass.

But what actually happens after spraying? Let’s walk through what to expect—from the moment your lawn is treated to the visible results two weeks later—and which weeds may need a bit more persistence to tackle.

Broadleaf Weeds We Target

Our weed control applications are specially formulated to eliminate a wide range of broadleaf weeds, which are easy to distinguish from grass by their wider leaves, prominent veins, and flowering structures.

Common broadleaf weeds we effectively control include:

  • Dandelions – yellow flowers and fluffy seed heads
  • White Clover – low-growing patches with small white blooms
  • Chickweed – small-leaved weed with tiny white star-shaped flowers
  • Plantain – broad, flat leaves with upright flower spikes
  • Thistle (young plants) – spiny foliage, purple flowers
  • Oxeye Daisy – daisy-like flowers, often in clusters

Weeds That Are Not Controlled

While our treatments are very effective against most broadleaf weeds, some weeds fall outside the spectrum of typical broadleaf control products—especially if they’re grassy, waxy, or deeply rooted perennials. These may include:

  • Creeping Charlie (Ground Ivy) – waxy, vining weed that often requires multiple specialized treatments
  • Wild Violets – waxy-leaved and very persistent; difficult to penetrate with standard products
  • Grassy Weeds such as:
    • Crabgrass
    • Quackgrass
    • Foxtail
    • Barnyardgrass

These types of weeds are grasses or grass-like, and therefore not targeted by broadleaf herbicides. If grassy weeds are an issue in your lawn, a different approach such as pre-emergent control, spot spraying, or mechanical removal may be required.

Do All Weeds Die After One Spray?

Not always. While many weeds show visible signs of decline within 7–14 days of a single application, some tough or mature weeds may require multiple treatments.

Weeds That Often Need Repeat Applications (4–6 Weeks Apart):

  • Thistle – taproot system and spiny structure make them resilient
  • Plantain – flat-growing weeds can shield themselves from spray
  • Creeping Charlie – survives even after partial damage
  • Large or mature dandelions – more energy reserves in their roots
  • Wild violet patches – hard to penetrate due to waxy leaves

Our service is designed to follow up with additional applications at 4–6 week intervals when necessary, especially during peak growing season, to catch regrowth or missed areas.

What to Expect After Weed Control Is Applied

Day 0: The Day of Application

  • Your lawn looks the same.
  • The weed control product begins absorbing through the leaves.
  • After an application we recommend waiting 6 to 12 hours before watering to allow the treatment to take effect. When it is very hot and dry, it is important that you water your lawn the day that you had an application applied to it.
  • We ask that you do not mow your lawn on the day we apply weed control.

Day 1: The Next Day

  • Early signs of stress may appear:
    • Wilting or slight curling of leaves
    • Subtle browning at the tips

Day 7: One Week Later

  • Weeds show significant damage:
    • Yellowing, browning, or curling of leaves
    • Growth has slowed or stopped

Weeds wilting after being sprayed

Day 14: Three Weeks Later

  • Most weeds are fully wilted or dead.
  • Weed debris will naturally break down or can be mowed away.
  • Your lawn looks greener and more uniform.

Three weeks after spraying

FAQs About Weed Control

How soon will I see results?
Most weeds show stress in 24–72 hours and die back within 10–14 days.

Is weed control safe for my lawn?
Yes. Our product targets only broadleaf weeds and will not harm healthy grass when applied as directed.

Will one application take care of everything?
Many weeds respond after a single application, but tougher perennials often need follow-up treatments for complete control.

Can I water after application?

After an application we recommend waiting 6 to 12 hours before watering to allow the treatment to take effect. If you are a client and had weed control applied, please reference your invoice left at your home, for any special instructions. When it is very hot and dry, it is important that you water your lawn the day that you had an application applied to it. If you have any questions, please contact your local office.

Can I mow the day of the application?

No, we ask that you don’t mow your lawn on the day we are applying weed control.

Can I mow after application?

Yes, you can mow the day after the application. We recommend you wait at least a day for the weed control to take effect.

Keeping Your Lawn Weed-Free

Weed control is just one piece of the puzzle. To keep weeds from returning, we also recommend:

  • Fertilizing regularly to thicken your lawn and outcompete weeds. We have been fertilizing lawns for over 30 years. You can learn about this service here.
  • Core aeration to relieve compaction and improve root growth. If you need help aerating your lawn, we can help! Learn about our core aeration service here.
  • Mowing properly (not too short!) to encourage dense turf. Learn why mowing high matters in our blog,Why Mowing High Matters: The Science Behind Healthier Lawns During Watering Restrictions“.

Ready for a Lawn Without Weeds?

Our Emerald, Sapphire, and Jade Lawn Care Packages all include broadleaf weed control timed for maximum effectiveness. Whether you’re just seeing the first signs of weeds—or facing a full invasion—we’re here to help. Please note that depending on when you book your package, some packages may not be available. For example the Emerald Package must be booked prior to May.

📞 Contact us today to get started and enjoy a healthier, weed-free lawn this season.

📚 Sources

  1. How to Control Broadleaf Weeds – Scotts
  2. Controlling Broadleaf Weeds in Home Lawns – Oklahoma State University Extension 
  3. Broadleaf Weed Control – Grass Pad
  4. Broadleaf Weeds – Wikipedia