Best Weed Killer for Clover and Creeping Charlie

Why Clover and Creeping Charlie Are So Hard to Kill

Clover and creeping Charlie present two very different challenges. Clover is a legume that fixes its own nitrogen, allowing it to thrive in lawns that are not heavily fertilized. Creeping Charlie, also known as ground ivy, is a mint-family perennial that spreads aggressively via above-ground runners called stolons. According to turf specialists, creeping Charlie can root at every node along those runners, making hand-pulling nearly impossible because any fragment left behind will regenerate [citation:2][citation:5].

Standard "three-way" herbicides containing only 2,4-D, MCPP, and dicamba often provide only fair to poor control of creeping Charlie. Research from university extensions indicates that products containing triclopyr or fluroxypyr are significantly more effective against ground ivy [citation:2][citation:14]. For clover, dicamba and clopyralid tend to deliver excellent results, but you need a formula that addresses both weeds simultaneously without harming your desirable turfgrass.

If you are dealing with a mixed infestation of broadleaf weeds, you might also want to review our guide on the best product to get rid of weeds in lawn to understand the broader landscape of selective versus non-selective options. For clover specifically, our detailed breakdown of the best way to get rid of clover in your lawn offers additional cultural and chemical strategies.

Key Active Ingredients to Look For

When shopping for a weed killer, the ingredient list on the label is more important than the brand name. Here is what the research and extension experts recommend:

• Triclopyr: This is widely considered the gold standard for creeping Charlie. Products listing triclopyr as the sole active ingredient (or in combination with 2,4-D) consistently outperform older three-way formulas on ground ivy [citation:2][citation:14]. It is available in both concentrate and ready-to-spray forms.
• Fluroxypyr: Another highly effective option for ground ivy, often found in professional-grade or mid-tier consumer formulations. It works well when tank-mixed with triclopyr or 2,4-D [citation:2].
• Dicamba & Clopyralid: If clover is your primary target, dicamba is highly effective. Clopyralid is especially strong against clover and is often included in premium broadleaf mixtures [citation:14].
• 2,4-D: A foundational broadleaf herbicide that is excellent for dandelions but weak on creeping Charlie when used alone. It is best used as part of a combination product [citation:14].

Always check the label to confirm that the product is safe for your specific grass type. Many triclopyr-based products are safe for Kentucky bluegrass, fescue, ryegrass, and zoysia, but they can damage St. Augustinegrass and bermudagrass under certain conditions [citation:1][citation:4].

Timing Is Everything: When to Apply

Even the best herbicide will fail if applied at the wrong time. For creeping Charlie, fall applications (after the first frost but before the ground freezes) are generally more effective than spring treatments. In autumn, the weed is translocating nutrients down to its root system to survive the winter, which helps carry the herbicide to the crown [citation:2][citation:5]. Spring applications during active flowering (typically April and May) can also work, but expect to need a follow-up treatment.

For clover, early spring or early fall when the weed is actively growing is ideal. Avoid applying herbicides when temperatures are expected to exceed 85–90°F, as this increases the risk of volatilization and turf injury [citation:1][citation:4]. If you are also managing other stubborn weeds, our guide on the best weed killer for lawns that won't kill grass provides a useful safety checklist for selective products.

Application Tips for Better Results

Creeping Charlie has a waxy leaf surface, and clover can be equally stubborn. Adding a surfactant (a sticker-spreader agent) to your tank mix can help the herbicide adhere to the foliage rather than beading off. If you are using a ready-to-spray product, check whether it already includes a surfactant; if not, a few drops of a mild dish soap can sometimes help, though always follow label instructions first.

Do not mow for at least 1–2 days before or after application. Mowing stresses the weed and reduces the leaf surface area available for absorption. Water the lawn thoroughly a day before spraying if the soil is dry, but avoid irrigation or rain for at least 6 hours after application (or longer, depending on the product) [citation:1][citation:4].

If you prefer a more natural approach or have sensitive landscaping, you might explore the best natural weed killer that won't kill grass as a spot-treatment alternative, though be aware that organic options often require more frequent reapplication for tough perennials like creeping Charlie.

How to Choose the Right Product for Your Lawn

When you are ready to buy, consider your grass type first. If you have a cool-season lawn (fescue, bluegrass, ryegrass), you have the widest selection of triclopyr and fluroxypyr products. If you have a warm-season lawn like St. Augustine or bermudagrass, you must read labels carefully because many effective creeping Charlie killers are not labeled for those grasses [citation:1][citation:4].

Next, decide between concentrate and ready-to-spray formats. Concentrates are generally more economical for large lawns and allow you to adjust the mixture, while ready-to-spray bottles are convenient for spot treatments and small yards. For a deeper dive into application methods and product safety, our article on the best weed killer for clover and creeping Charlie (this page) will keep you on the right track.

Finally, plan for persistence. Creeping Charlie often requires two applications spaced 2–3 weeks apart, and you may need to repeat the treatment the following season to fully exhaust the root system. Combining chemical control with improved lawn density—through proper fertilization, aeration, and overseeding—will give your grass the competitive edge it needs to crowd out weeds naturally.