ortho weedclear concentrate mixing instructions
Ortho WeedClear Concentrate Mixing Instructions: A Comprehensive Guide
Ortho WeedClear requires careful dilution with water before application, utilizing either a tank sprayer or an Ortho Dial N Spray applicator for optimal weed control results.
Understanding Ortho WeedClear Concentrate
Ortho WeedClear Concentrate is a potent lawn weed killer designed for home use, but it’s crucial to understand its nature as a concentrate. This means it must be mixed with water before application; it cannot be used “straight” from the container. The concentrate form allows for cost-effectiveness and customized dilution based on the severity of the weed infestation and the type of application equipment used.
Available in both 1-gallon and 32oz sizes, Ortho WeedClear targets a broad spectrum of common lawn weeds, including dandelions, clover, crabgrass, and chickweed. It’s formulated for use on several popular grass types like Bermudagrass, Fescues, Kentucky Bluegrass, Ryegrass, and Zoysiagrass. However, caution is advised when applying to certain grasses, and always refer to the product label for specific recommendations.
Proper understanding of the concentrate’s properties and intended use is the first step towards achieving a weed-free lawn. Always prioritize safety and follow the mixing instructions meticulously to ensure both effectiveness and the well-being of your lawn, family, and pets.
What is Ortho WeedClear and What Does It Kill?
Ortho WeedClear Lawn Weed Killer Concentrate is a post-emergent herbicide, meaning it’s designed to kill weeds that have already sprouted. It’s a popular choice for homeowners seeking to eliminate broadleaf weeds and certain grassy weeds from their lawns. This concentrate requires dilution with water and application via a tank sprayer or an Ortho Dial N Spray applicator.
Specifically, Ortho WeedClear effectively controls common lawn invaders such as dandelions, clover, chickweed, and crabgrass. It also targets foxtail, offering a comprehensive solution for a variety of weed problems. The product is formulated to be safe for use on established lawns containing Bermudagrass, Fescues, Kentucky Bluegrass, Ryegrass, and Zoysiagrass, though caution is advised for other grass types.
It’s important to note that Ortho WeedClear is most effective when applied to actively growing weeds, ideally during spring or fall when temperatures are below 90°F. Always consult the product label for a complete list of weeds controlled and specific application guidelines.
Available Sizes of Ortho WeedClear Concentrate
Ortho WeedClear Lawn Weed Killer Concentrate is readily available to consumers in two primary container sizes, catering to varying lawn sizes and application needs. The most commonly found size is the 1-gallon container, providing ample product for larger lawns, capable of treating up to 64,000 square feet when mixed and applied according to label directions.
For homeowners with smaller lawns or those preferring a more manageable quantity, Ortho WeedClear is also offered in a 32-fluid ounce (2 pint) size. This smaller container is ideal for spot treatments or lawns up to 5,000 square feet. Both sizes require dilution with water before use, utilizing either a standard tank sprayer or the convenient Ortho Dial N Spray hose-end applicator.
Availability may vary depending on the retailer, but both sizes are generally stocked at major home improvement stores like Lowe’s, as well as online marketplaces such as Amazon. Always check the product label to confirm the size and coverage area before purchasing.

Mixing Instructions: General Guidelines
Always dilute Ortho WeedClear concentrate with water as directed on the product label before application, ensuring effective weed control and lawn safety.
Importance of Dilution
Dilution is absolutely critical when working with Ortho WeedClear Concentrate. This product is not ready-to-use and applying it undiluted will almost certainly cause significant damage to your lawn, potentially killing the grass you intend to keep. Proper dilution ensures the herbicide targets weeds effectively without harming desirable turf.
The concentrate form allows for cost-effectiveness and customized application strengths, but relies heavily on accurate mixing. Following the label instructions precisely is paramount. Too little concentrate and the weeds may not be adequately controlled, requiring a second application. Conversely, too much concentrate can lead to lawn burn, discoloration, and even widespread plant death.
Dilution also impacts the spray coverage. A correctly diluted solution will spread evenly across the weed surfaces, maximizing herbicide absorption. Remember, the goal is to wet the weed foliage, not saturate the lawn. Always prioritize careful measurement and thorough mixing for the best and safest results with Ortho WeedClear.
Required Equipment for Mixing
Successfully mixing Ortho WeedClear Concentrate requires a few essential pieces of equipment to ensure accuracy and safety. First, you’ll need a calibrated measuring cup or spoon specifically designated for herbicide use – do not use these for food or drink! A gallon container or appropriately sized bucket is necessary for holding the water and diluted solution.
Depending on your application method, you’ll also need either a tank sprayer with a functioning pump and nozzle, or an Ortho Dial N Spray hose-end applicator. For tank sprayers, ensure the tank is clean and free of any previous chemical residue. If using Dial N Spray, verify the calibration settings are correct.
Finally, always wear appropriate personal protective equipment (PPE), including gloves and eye protection, during the mixing process. Having a dedicated stirring utensil, like a plastic or wooden stick, is also recommended for thorough mixing.

Safety Precautions Before Mixing

Prioritizing safety is crucial when handling Ortho WeedClear Concentrate. Always read the entire product label before beginning, understanding all warnings and instructions. Wear long sleeves, long pants, chemical-resistant gloves, and eye protection – safety glasses or goggles are essential – to prevent skin and eye contact.
Mix the concentrate in a well-ventilated area, preferably outdoors, to avoid inhaling any fumes. Never mix Ortho WeedClear with other pesticides or chemicals, as this could create hazardous reactions. Keep children and pets away from the mixing area and treated lawns until the spray has completely dried.
In case of accidental contact, immediately flush skin or eyes with plenty of water for 15-20 minutes. If irritation persists, seek medical attention. Store the concentrate in a secure, locked location, out of reach of children and animals.

Mixing Ratios for Different Applications
Specific ratios are vital for effective weed control; utilize label directions for tank sprayers or Ortho Dial N Spray applicators to ensure proper dilution.
Mixing for Tank Sprayers
When utilizing a tank sprayer, precise measurement is crucial for effective and safe application of Ortho WeedClear Concentrate. Always refer to the product label for the most accurate mixing ratios, as concentrations can vary. Generally, you’ll need to combine the concentrate with water, ensuring thorough mixing before and during application.
Begin by adding the recommended amount of Ortho WeedClear to the tank, followed by the required volume of water. A common starting point is to mix approximately 2 to 4 tablespoons of concentrate per gallon of water, but always verify this on the label. Agitate the mixture vigorously to ensure the concentrate is fully dissolved and evenly distributed throughout the water.
Regularly stir the solution during application to prevent settling and maintain consistent weed control. Avoid overfilling the tank, and be mindful of potential drift. Proper calibration of your tank sprayer is also essential to deliver the correct amount of solution per square foot, maximizing effectiveness and minimizing waste. Remember to clean the sprayer thoroughly after each use.
Mixing for Ortho Dial N Spray Applicators

Using an Ortho Dial N Spray applicator simplifies the mixing process, providing a convenient and controlled application. Begin by filling the applicator’s reservoir with the appropriate amount of water, as indicated on the applicator itself. Then, carefully add the recommended quantity of Ortho WeedClear Concentrate, referencing the product label for precise measurements.
The Dial N Spray applicators are designed for specific concentrate-to-water ratios. Typically, this involves adding a certain number of ounces of concentrate per gallon of water. Securely attach the concentrate bottle to the applicator and dial the setting to the appropriate concentration for your target weeds.
Ensure the cap is tightly sealed and shake the applicator well to thoroughly mix the solution. Regularly check the dial setting during application to maintain consistency. Remember to rinse the applicator thoroughly with clean water after each use to prevent clogging and ensure optimal performance for future applications.
Calculating the Correct Amount of Concentrate
Accurate measurement is crucial for effective weed control and to avoid damaging your lawn. The amount of Ortho WeedClear Concentrate needed depends on the application method (tank sprayer or Dial N Spray) and the desired coverage area. Always refer to the product label for specific mixing ratios, typically expressed as ounces of concentrate per gallon of water.
For tank sprayers, calculate the total volume of spray solution required based on your lawn size. A 1-gallon container can treat up to 64,000 square feet, while a 32oz container covers approximately 5,000 square feet. Determine the concentrate needed by multiplying the desired spray volume by the recommended ratio.
When using a Dial N Spray, the applicator’s dial settings correspond to specific concentrate-to-water ratios. Ensure you understand these settings and adjust accordingly. Double-check your calculations and measurements to prevent over or under-application, maximizing effectiveness and lawn health.

Application Techniques
Apply Ortho WeedClear to actively growing weeds during spring or fall when temperatures are below 90°F, ensuring thorough coverage until the lawn surface is visibly wet.
Best Time to Apply Ortho WeedClear
Optimal application timing for Ortho WeedClear is crucial for maximizing its effectiveness. Generally, the best results are achieved when applied to actively growing weeds, specifically during the spring or fall seasons. These periods offer favorable conditions for weed absorption and the product’s systemic action.
Temperature plays a significant role; daytime temperatures should ideally be below 90°F (32°C). Higher temperatures can cause stress to both the weeds and the lawn, potentially reducing the herbicide’s efficacy and increasing the risk of lawn damage. Avoid application during periods of drought or when rainfall is expected shortly after treatment, as this can wash away the product before it has a chance to be absorbed.
Furthermore, consider the specific weed types you are targeting. Different weeds have varying growth cycles, so timing your application to coincide with their most vulnerable stage will improve control. Monitoring weather forecasts and understanding local weed patterns will help you determine the most advantageous time to apply Ortho WeedClear for a healthy and weed-free lawn.
Weather Conditions for Optimal Results
Successful Ortho WeedClear application heavily relies on favorable weather conditions. Avoiding windy days is paramount, as drift can carry the herbicide to unintended plants, causing damage. Calm air minimizes the risk of off-target application, ensuring the product lands precisely where needed.
Temperature is another critical factor. As mentioned previously, daytime temperatures below 90°F (32°C) are ideal. High heat can reduce the herbicide’s effectiveness and potentially harm your lawn. Rainfall should be avoided for at least 24 hours after application to allow sufficient absorption by the weeds.
However, a light shower a few days after application can help wash the herbicide into the root system, enhancing its systemic action. Avoid applying if rain is imminent, as it will dilute the concentrate and reduce its potency. Consistent monitoring of the weather forecast is essential for maximizing the product’s performance and achieving optimal weed control.
Application to Actively Growing Weeds
Ortho WeedClear demonstrates the highest efficacy when applied to weeds that are vigorously growing. This is because actively growing weeds are more susceptible to herbicide absorption, allowing the product to translocate effectively throughout the plant’s system, reaching the roots for complete control.
Look for weeds with lush, green foliage and robust growth. Avoid applying to weeds that are stressed due to drought, disease, or recent herbicide applications. These stressed plants may exhibit reduced absorption, leading to poor results and potential herbicide resistance.
Spring and fall typically offer ideal conditions for application, coinciding with periods of active weed growth. Ensure thorough coverage of the weed foliage, but avoid over-saturating to the point of runoff. A light, even spray is sufficient to wet the leaf surfaces, maximizing absorption and minimizing waste. Consistent monitoring of your lawn will help identify actively growing weeds for timely treatment.

Specific Grass Types and Ortho WeedClear
Ortho WeedClear is safe for use on common grasses like Bermudagrass, Fescues, Kentucky Bluegrass, Ryegrass, and Zoysiagrass, providing effective weed control without harming your lawn.
Suitable Grasses: Bermudagrass, Fescues, etc.
Ortho WeedClear demonstrates excellent selectivity, meaning it effectively targets weeds while remaining safe for many common lawn grass types. This makes it a versatile option for homeowners with diverse lawns.
Specifically, Ortho WeedClear is formulated for use on Bermudagrass, providing reliable control of broadleaf weeds without causing significant injury to the turf. Various types of Fescues, including tall fescue, fine fescue, and creeping red fescue, also exhibit good tolerance when treated according to label directions.

Furthermore, Kentucky Bluegrass and perennial Ryegrass are generally safe when Ortho WeedClear is applied as instructed. Zoysiagrass, known for its dense growth habit, also benefits from the weed control offered by this product. However, always prioritize reading and adhering to the product label for the most accurate and up-to-date information regarding grass compatibility.
Remember, proper application and dilution are crucial to ensure the safety of your desired grasses while effectively eliminating unwanted weeds.
Grasses to Use Caution With
While Ortho WeedClear is generally safe for many lawn grasses, certain varieties require extra caution during application to prevent potential damage. It’s crucial to understand these sensitivities for optimal results and a healthy lawn.
Newly seeded or sodded lawns are particularly vulnerable and should be avoided until the grass is well-established. St. Augustine grass, while sometimes tolerant, can exhibit sensitivity, so testing a small, inconspicuous area first is highly recommended. Centipede grass also demands careful consideration, as it’s known to be more easily injured by herbicides.
When applying Ortho WeedClear near desirable grasses, always adhere strictly to the recommended dilution rates and avoid over-application. Environmental factors like temperature and moisture levels can also influence grass sensitivity, so timing is key. Always consult the product label for specific warnings and recommendations related to your grass type.
Dilution and careful observation are paramount when dealing with potentially sensitive grasses, ensuring effective weed control without compromising your lawn’s health.

Post-Application Care
After spraying, keep people and pets off the treated lawn until the spray has completely dried, ensuring safety and maximizing the product’s effectiveness.
Re-entry Time for People and Pets
Ensuring the safety of both people and pets following Ortho WeedClear application is paramount. The product label consistently emphasizes the importance of allowing treated areas to dry completely before re-entry. This precaution minimizes potential exposure and any associated risks.
Generally, a waiting period until the spray has fully dried is recommended. Drying time can vary based on weather conditions – warmer, drier conditions will expedite the process, while cooler, humid environments may require a longer wait. Visually inspect the treated lawn; if no visible moisture remains, it’s generally safe to allow access.
However, erring on the side of caution is always advisable. For households with young children or particularly sensitive pets, extending the re-entry time to 24 hours can provide an extra layer of security. Always consult the product label for the most up-to-date and specific re-entry guidelines, as formulations may occasionally change.
Prioritize safety and responsible product use to protect your family and furry companions.
Watering After Application
Following the application of Ortho WeedClear, the question of watering often arises. Generally, it’s best to avoid watering the treated lawn for at least 24 to 48 hours after application. This allows the herbicide sufficient time to fully absorb into the targeted weeds, maximizing its effectiveness.
Premature watering can wash away the product, reducing its ability to control weeds and potentially requiring a repeat application. However, if rainfall occurs within this timeframe, it doesn’t necessarily negate the treatment, though its efficacy might be slightly diminished.
After the initial 24-48 hour period, normal watering practices can resume. Consistent watering contributes to a healthy lawn, which naturally helps suppress future weed growth. Avoid heavy irrigation immediately after, but maintain regular moisture levels to support grass recovery and overall lawn health.
Always refer to the product label for specific watering recommendations, as they may vary based on the formulation and environmental conditions.
Coverage Area per Container (1 Gallon & 32oz)
Determining the coverage area achievable with Ortho WeedClear Concentrate is crucial for efficient lawn care. A 1-gallon container of Ortho WeedClear can treat up to an impressive 64,000 square feet, making it a cost-effective solution for larger lawns. However, this assumes proper dilution and application according to label instructions.
The smaller 32-ounce container offers coverage for approximately 5,000 square feet. This size is ideal for spot treatments or smaller lawn areas. Remember that the actual coverage may vary depending on weed density and the application rate used.
Accurately calculating your lawn’s square footage is essential before purchasing. Overestimating can lead to wasted product, while underestimating may require a second purchase; Always prioritize precise measurements and adhere to the recommended mixing ratios for optimal results and to avoid unnecessary expenses.
Consult the product label for detailed coverage charts and specific application guidelines.


























































































