ortho weedclear concentrate mixing instructions
Ortho WeedClear Concentrate Mixing Instructions: A Comprehensive Guide (Updated 11/29/2025)
Today’s date is 11/29/2025․ This guide provides detailed instructions for mixing Ortho WeedClear concentrate, ensuring effective weed control while protecting your valuable turf․ Proper mixing
is crucial for optimal results and avoiding potential damage․
Understanding Ortho WeedClear Concentrate
Ortho WeedClear Lawn Weed Killer Concentrate is a powerful solution designed to eliminate troublesome weeds from your lawn without causing harm to your grass, when used correctly․ It’s crucial to understand that this product is a concentrate and cannot be applied directly from the container; it must be diluted with water according to the label instructions․

The effectiveness of Ortho WeedClear relies heavily on accurate mixing․ Different formulations exist for Northern and Southern lawns, each requiring specific mixing ratios․ Over-application can lead to significant turf injury, so adhering to the recommended rates is paramount․ The product is available for one-time purchase or through a Subscribe & Save program, offering convenience and potential cost savings․
What is Ortho WeedClear and its Purpose?
Ortho WeedClear Weed Killer for Lawns is a post-emergent herbicide specifically formulated to target and eliminate a broad spectrum of common lawn weeds․ Its primary purpose is to reclaim your lawn from unwanted vegetation, allowing your desired turfgrass to thrive․ This product is designed to kill listed weeds without damaging your lawn when applied as directed․

Unlike some general-purpose herbicides, Ortho WeedClear is tailored for lawn use, offering selective weed control․ It’s important to note that it’s a concentrate, requiring careful mixing with water before application․ Proper dilution, based on the specific formulation (North or South), is essential for achieving optimal weed control and preventing turf stress․
Different Ortho WeedClear Formulations (North vs․ South)
Ortho WeedClear is available in two distinct formulations – one designed for Northern lawns and another for Southern lawns․ This differentiation is crucial because weed species and grass types vary significantly between these regions․ The Northern formulation addresses weeds common in cooler climates, while the Southern version targets those prevalent in warmer areas․
The mixing ratios also differ between the two․ For example, Ortho WeedClear Lawn Weed Killer Concentrate (North) typically requires 2․5 ounces per gallon of water to treat 400 square feet․ Always verify the specific instructions on your product label, as formulations can evolve․ Using the incorrect formulation or ratio can lead to ineffective weed control or potential turf injury․

Mixing Instructions: General Guidelines
Always read and follow the label instructions carefully․ Ortho WeedClear Concentrate requires dilution with water before application; it’s never applied directly from the container․
Essential Safety Precautions Before Mixing
Prioritize safety when handling Ortho WeedClear Concentrate․ Always wear appropriate personal protective equipment (PPE), including long sleeves, long pants, chemical-resistant gloves, and eye protection – goggles or a face shield are recommended․ Avoid contact with skin and eyes․

Mixing should occur in a well-ventilated area, preferably outdoors, to minimize inhalation of vapors․ Never mix the concentrate indoors․ Keep children and pets away from the mixing area and treated lawns until the product has completely dried․
Avoid eating, drinking, or smoking during mixing and application․ If the concentrate comes into contact with skin, wash immediately with soap and water․ In case of eye contact, rinse thoroughly with water for 15-20 minutes and seek medical attention․ Store the concentrate in a secure location, out of reach of children and animals․
Required Equipment for Accurate Mixing
Accurate mixing demands specific equipment․ You’ll need a calibrated measuring cup or spoons specifically designed for liquid measurements – avoid using kitchen utensils․ A one-gallon container, clearly marked for water volume, is essential․ A pump sprayer is highly recommended for even application, ensuring thorough coverage of the target weeds․
For larger areas, consider a larger capacity sprayer․ Protective gear, as outlined in the safety precautions, is non-negotiable; A mixing stick or paddle will aid in dissolving the concentrate fully within the water․
Having a dedicated container solely for mixing weed control solutions prevents cross-contamination․ Finally, access to clean water is crucial for both mixing and rinsing equipment after use․
Calculating the Area to be Treated
Precise area calculation is vital for correct application rates․ Begin by measuring the length and width of the lawn or treatment area in feet․ Multiply these dimensions to determine the total square footage․ For irregular shapes, divide the area into smaller, manageable sections – rectangles or triangles – calculate each individually, and then sum the results․
Remember that Ortho WeedClear concentrate is often mixed to cover 400-500 square feet per gallon of water, depending on the formulation․ Accurate measurement prevents over or under-application, safeguarding your turf․
Double-check your calculations to ensure you prepare the appropriate amount of solution․

Mixing Ratios for Northern Lawns
For northern lawns, a standard mixing ratio is 2․5 ounces of Ortho WeedClear concentrate per gallon of water, effectively targeting common weeds in the region․
Standard Mixing Ratio: 2․5 oz per Gallon
Ortho WeedClear Lawn Weed Killer Concentrate (North) utilizes a straightforward 2․5-ounce per gallon mixing ratio for general weed control․ This ratio is designed to effectively eliminate a broad spectrum of common lawn weeds without causing significant harm to your grass․ To prepare, carefully measure 2․5 fluid ounces of the concentrate and combine it with one gallon of water in a clean, calibrated container․
Ensure thorough mixing to achieve a homogenous solution․ This standard ratio is suitable for treating approximately 400 square feet of lawn․ Always refer to the product label for specific weed types and coverage recommendations, as adjustments may be necessary based on infestation severity and grass species․ Consistent application, following these guidelines, will yield the best results․
Mixing for Light Weed Infestations
When dealing with a lawn exhibiting only a light scattering of weeds, a reduced Ortho WeedClear concentrate mixing ratio can be employed to minimize product usage and potential stress on the turf․ Consider using 1․5 to 2 ounces of concentrate per gallon of water․ This diluted solution provides targeted weed control while lessening the impact on desirable grasses․
Thoroughly mix the concentrate and water in a suitable container before application․ This approach is particularly beneficial for preventative treatments or when addressing newly emerging weeds․ Remember to always prioritize accurate measurements and consistent coverage for optimal results․ Monitor the treated area closely for weed control and any signs of turf stress․
Mixing for Heavy Weed Infestations
For lawns overwhelmed by a significant weed presence, a stronger Ortho WeedClear concentrate solution is necessary for effective control․ The standard recommendation for heavy infestations is 2․5 ounces of concentrate per gallon of water, ensuring sufficient active ingredient reaches the target weeds․
However, exercise caution! While a higher concentration increases efficacy, it also elevates the risk of turf injury․ Always adhere to label instructions and avoid exceeding the maximum recommended rate․ Thoroughly mix the solution and apply evenly, focusing on areas with dense weed growth․ Post-application monitoring is crucial to assess weed control and identify any potential turf stress symptoms․

Mixing Ratios for Southern Lawns
Southern lawns often require specific Ortho WeedClear mixing adjustments due to varying weed types and grass species․ Follow label guidance for optimal results!
Specific Southern Lawn Mixing Recommendations
For Southern lawns, Ortho WeedClear concentrate demands careful consideration․ Generally, the standard mixing ratio of 2․5 ounces per gallon of water applies, but adjustments are often necessary․ Factors like prevalent weed species and the type of grass significantly influence the ideal concentration․

St․ Augustine and Centipede grasses, common in the South, are particularly sensitive․ Begin with a slightly diluted mixture – perhaps 2 ounces per gallon – to minimize the risk of turf injury․ Always prioritize a thorough application, ensuring complete weed coverage․ Observe your lawn closely after application, watching for any signs of stress․ Remember to always consult the product label for the most up-to-date and specific recommendations tailored to your region and grass type․
Adjusting Ratios Based on Weed Type
Effective weed control with Ortho WeedClear requires tailoring the mixing ratio to the specific weeds you’re targeting․ While the standard 2․5 oz per gallon works for many, stubborn or deeply rooted weeds may necessitate a stronger concentration․ Clover, for instance, often benefits from a slightly increased ratio, potentially up to 3 ounces per gallon, but proceed with caution․
Conversely, for sensitive broadleaf weeds, a reduced concentration – around 2 ounces per gallon – can minimize the risk of damaging your desired turf․ Always prioritize a test application on a small, inconspicuous area before treating the entire lawn․ Careful observation will reveal the optimal balance between weed eradication and turf safety․ Remember, the product label provides valuable guidance on specific weed types․
Considerations for St․ Augustine and Centipede Grass
St․ Augustine and Centipede grasses are particularly sensitive, demanding extra caution when applying Ortho WeedClear․ These warm-season grasses are prone to injury from herbicides, so reducing the standard mixing ratio is often advisable․ Begin with a conservative 2 ounces per gallon, and meticulously monitor for any signs of stress, such as discoloration or stunting․
Avoid application during periods of high heat or drought, as stressed turf is more vulnerable․ Thoroughly irrigate the lawn before and after application to dilute the concentrate and promote absorption․ Always prioritize a small test patch to assess tolerance before widespread treatment․ Remember, careful observation and a lower concentration are key to protecting these delicate grass types․

Application Rates and Turf Injury
Applying Ortho WeedClear correctly is vital․ Over-application can cause significant turf damage, while under-application may yield insufficient weed control․ Adhere strictly to label rates!
Avoiding Over-Application and Turf Damage

Careful application is paramount when using Ortho WeedClear Concentrate․ Exceeding the recommended mixing ratio or application rates dramatically increases the risk of turf injury․ Always meticulously calculate the area needing treatment to ensure accurate product usage․
Remember, more isn’t necessarily better; in fact, it’s often detrimental․ Over-application stresses the grass, potentially leading to discoloration, thinning, or even complete lawn damage․ Pay close attention to the product label’s specific instructions regarding coverage per gallon and avoid overlapping spray patterns․
Consistent monitoring of your lawn post-application is also crucial․ Early detection of any signs of stress allows for prompt corrective action, minimizing long-term effects․ Prioritize precision and adherence to guidelines for a healthy, weed-free lawn․
Recognizing Signs of Turf Stress
Following Ortho WeedClear application, vigilant observation for turf stress is essential․ Initial signs often manifest as subtle discoloration – a slight yellowing or bronzing of grass blades․ This indicates the herbicide is impacting the plant’s chlorophyll production․
More severe stress presents as thinning patches, where grass density noticeably decreases․ Leaf tip burn, characterized by browning edges, is another common symptom of overexposure․ In extreme cases, entire sections of the lawn may appear scorched or dead․
Prompt identification of these indicators allows for timely intervention․ Remember, early detection significantly improves the chances of recovery․ Regularly inspect treated areas, especially after the first application, to proactively address any emerging issues and maintain a healthy lawn․
Corrective Measures for Accidental Over-Application
If accidental over-application of Ortho WeedClear occurs, immediate action is crucial to mitigate damage․ Begin by thoroughly irrigating the treated area with copious amounts of water; This helps dilute the herbicide concentration in the soil and reduces uptake by the grass roots․
Avoid further fertilization until the lawn recovers, as this can exacerbate stress․ Consider a light application of a starter fertilizer once new growth appears, providing essential nutrients for recovery․
Monitor the affected area closely and be patient; recovery time varies depending on the severity of the over-application and grass type․ Consistent watering and avoiding further stress will promote healthy regrowth․
Additional Tips and Considerations
For best results, utilize a pump sprayer for even application and ensure thorough coverage of targeted weeds․ Post-application, maintain consistent lawn care practices․
Using a Pump Sprayer for Application
A pump sprayer is highly recommended for applying Ortho WeedClear concentrate, offering superior control and even distribution compared to other methods․ Before use, ensure the sprayer is clean and in good working order․ Fill the tank with the correctly mixed solution – remember the ratios for Northern or Southern lawns!
Pump the sprayer to build pressure, following the manufacturer’s instructions․ Adjust the nozzle to a coarse spray pattern to minimize drift and target weeds directly․ Walk at a steady pace, overlapping slightly with each pass to guarantee complete coverage․ Regularly check the sprayer pressure and nozzle for consistent performance․ Consider using a backpack sprayer for larger areas to reduce fatigue․
Importance of Thorough Coverage
Achieving thorough coverage is paramount when applying Ortho WeedClear concentrate․ Incomplete coverage leads to weed regrowth and necessitates re-application, potentially stressing your lawn․ Ensure all leaf surfaces of target weeds are adequately wetted, but avoid excessive runoff․
Pay close attention to dense weed patches and areas with overlapping foliage․ A consistent spray pattern, achieved with a properly adjusted pump sprayer, is vital․ Consider weather conditions; avoid application on windy days to prevent drift․ Remember, the product works through contact, so visible wetting is a good indicator of effectiveness․ Consistent, complete coverage maximizes results․
Post-Application Lawn Care
Following Ortho WeedClear application, allow the product sufficient time to work – typically 24-72 hours – before mowing․ Avoid watering the treated area for at least 24 hours to allow for optimal absorption․ Monitor your lawn for any signs of stress, such as discoloration or thinning․
Resist the urge to immediately overseed or fertilize, as this could exacerbate any potential turf injury․ Maintain regular mowing practices at the recommended height for your grass type․ Proper post-application care promotes healthy regrowth and minimizes the risk of long-term damage, ensuring a vibrant, weed-free lawn․
Troubleshooting Common Mixing Issues
If the concentrate appears cloudy after mixing, it’s generally not a concern and won’t affect efficacy․ However, ensure thorough agitation to guarantee uniform distribution․ If you suspect an incorrect mixing ratio, avoid application and remix carefully, recalculating measurements․
Clogging in your sprayer can often be resolved by flushing the system with clean water and checking the filter․ If weeds aren’t responding, verify you’ve selected the appropriate Ortho WeedClear formulation for your lawn type and the weeds present․ Always double-check the product label for specific guidance and re-application instructions․
Storage and Disposal of Ortho WeedClear Concentrate
Store Ortho WeedClear concentrate in a tightly sealed container, in a cool, dry, and well-ventilated area, away from direct sunlight and extreme temperatures․ Keep it out of reach of children and pets․ Ensure the container is clearly labeled․
For disposal, do not reuse the container․ Follow all local, state, and federal regulations for pesticide container disposal․ If permitted, triple-rinse the container with water and add the rinse water to the spray tank during application․ Otherwise, contact your local waste management authority for proper disposal guidelines; Never pour unused concentrate down the drain․
Alternative Weed Control Options (Comparison)
Beyond Ortho WeedClear, several alternative weed control methods exist․ Selective herbicides containing triclopyr are effective for broadleaf weeds like clover, offering a different active ingredient approach․ Non-selective herbicides, such as glyphosate-based products (like Roundup), kill all vegetation contacted, requiring careful application to protect desired grasses․
Organic options include hand-pulling weeds, utilizing corn gluten meal as a pre-emergent, and applying horticultural vinegar․ These methods are environmentally friendly but often require more labor and may not be as effective on established weeds․ Consider your lawn’s specific needs and weed types when choosing the best control strategy․
Understanding Active Ingredients in Ortho WeedClear
Ortho WeedClear’s effectiveness stems from its active ingredients, designed to target specific weed types while minimizing harm to desirable turfgrass․ While specific formulations vary between Northern and Southern versions, common components include 2,4-D, dicamba, and mecoprop․ These ingredients are systemic herbicides, meaning they are absorbed by the weed and translocated throughout the plant, disrupting growth processes․
Understanding these active ingredients helps in selecting the appropriate Ortho WeedClear product for your lawn and recognizing potential interactions with other lawn care treatments․ Always refer to the product label for a complete list of ingredients and their concentrations․
Checking the Product Label for Specific Instructions
Always prioritize the instructions on your specific Ortho WeedClear product label․ Variations exist between Northern and Southern formulations, and even within product lines, concentrations can differ․ The label provides the most accurate mixing ratios, application rates, and safety precautions for your product․
Pay close attention to the area coverage specified – often listed as ounces per gallon for a certain square footage (e․g․, 2․5 oz per gallon for 400 sq․ ft․)․ Note any specific warnings regarding grass types, temperature restrictions, or re-application intervals․ Ignoring label instructions can lead to ineffective weed control or turf damage․
When to Re-apply Ortho WeedClear
Re-application timing depends on weed regrowth and the product label’s recommendations․ Ortho WeedClear isn’t a one-time solution; persistent weeds often require follow-up treatments․ Generally, avoid re-applying within 2-4 weeks, allowing sufficient time for the initial application to fully work and for new weed growth to emerge․
Monitor treated areas closely․ If weeds reappear, a second application may be necessary, adhering strictly to the label’s maximum application limits․ Consider the weed type; some, like clover, may need more frequent attention․ Always prioritize label instructions over general guidelines to prevent over-treatment and potential turf stress․