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10 Best Organic Crabgrass Killers 2025 in the United States

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Our Top Picks

#1

Winner

Scotts Turf Builder Triple Action1 - Weed Killer, Crabgrass Preventer, Lawn Fertilizer, 12,000 sq. ft. (2-Pack)

Rating
9.8
Chosen by1,185
Application Method
Coverage Area

Most important from
2148 reviews

Application Method
Easy to apply—no special skills required, just sprinkle it and let it work its magic.
Coverage Area
Covers 4,000 sq. ft. of your lawn—basically, it’ll make your neighbors wonder what kind of wizardry you’re using.

The Scotts Turf Builder Triple Action1 is a versatile lawn care product designed to handle multiple tasks with a single application. It not only kills various kinds of broadleaf weeds like dandelion, clover, and chickweed, but also prevents crabgrass for up to four months. Additionally, it acts as a fertilizer to promote a lush, green lawn.

This three-in-one formula is effective for use on a variety of grasses including Kentucky Bluegrass, Bermuda, and Tall Fescue, making it a flexible option for different lawn types. The product comes in granular form and is applied using a spreader on a wet lawn, with a coverage of up to 12,000 square feet per bag, adequate for larger lawn areas. It's recommended to apply it in the spring when dandelions are actively growing, and water it in after 24 hours to maximize effectiveness.

It is important to note that it does not kill existing crabgrass but prevents new growth. The product is not available in certain regions like Alaska and Hawaii, which could be a limitation for some users. The Scotts Turf Builder Triple Action1 offers a comprehensive solution for weed control, crabgrass prevention, and lawn feeding.

Rating
9.8
Chosen by1,185
Application Method
Coverage Area

Most important from
2148 reviews

Application Method
Easy to apply—no special skills required, just sprinkle it and let it work its magic.
Coverage Area
Covers 4,000 sq. ft. of your lawn—basically, it’ll make your neighbors wonder what kind of wizardry you’re using.
#2

Green Gobbler 20% Vinegar Weed & Grass Killer | Natural & Organic | Concentrated | 1 Gallon Spray | Glyphosate Free Herbicide

Rating
9.6
Active Ingredients
Application Method
Safety for Pets and Children

Most important from
13781 reviews

Active Ingredients
It's essential to handle the vinegar with care, as its strength can harm grass and plants indiscriminately.
Application Method
While powerful on weeds, the spray nozzle could use improvement for better application efficiency.
Safety for Pets and Children
The product is powerful, yet non-toxic, making it a great choice for those concerned about safety around pets and children.
Effectiveness Timeframe
Green Gobbler is incredibly effective, causing weeds to die and turn brown within 20-30 minutes of application.

The Green Gobbler 20% Vinegar Weed & Grass Killer is a natural and organic herbicide that aims to eliminate weeds without the use of toxic chemicals. It features a powerful 20% acetic acid formula derived from corn, making it glyphosate-free and safe for organic use. This product is notable for its quick action, desiccating weeds within 24 hours, which makes it highly effective for various types of weeds, including crabgrass, dandelions, and moss.

The ready-to-use spray form allows for easy application in residential, commercial, industrial, and agricultural settings, covering a wide range of areas such as driveways, sidewalks, mulch beds, and more. However, the product's strong acetic acid concentration might pose a risk if not handled properly, so careful application is advised, especially around pets and children. Additionally, while it is environmentally friendly and made from ethanol distilled from corn, the immediate impact on surrounding plants and soil should be considered.

The herbicide comes with a 30-day money-back guarantee, reflecting the manufacturer's confidence in its performance. Despite its strengths, users should weigh the benefits of an organic solution against the potential need for cautious use around desired vegetation and living spaces.

Rating
9.6
Active Ingredients
Application Method
Safety for Pets and Children

Most important from
13781 reviews

Active Ingredients
It's essential to handle the vinegar with care, as its strength can harm grass and plants indiscriminately.
Application Method
While powerful on weeds, the spray nozzle could use improvement for better application efficiency.
Safety for Pets and Children
The product is powerful, yet non-toxic, making it a great choice for those concerned about safety around pets and children.
Effectiveness Timeframe
Green Gobbler is incredibly effective, causing weeds to die and turn brown within 20-30 minutes of application.

Buying Guide for the Best Organic Crabgrass Killers

Choosing the right organic crabgrass killer can be a bit overwhelming, but with the right knowledge, you can make an informed decision that best suits your needs. Organic crabgrass killers are a great choice for those looking to maintain a healthy lawn without the use of harsh chemicals. These products are designed to target crabgrass specifically while being safe for the environment, pets, and children. When selecting an organic crabgrass killer, there are several key specifications to consider to ensure you get the best product for your lawn.
Active IngredientsThe active ingredients in an organic crabgrass killer are the substances that target and eliminate the crabgrass. Common active ingredients include corn gluten meal, vinegar, and essential oils. These ingredients are important because they determine the effectiveness and safety of the product. Corn gluten meal is a pre-emergent herbicide that prevents crabgrass seeds from germinating, making it ideal for use in early spring. Vinegar and essential oils, on the other hand, are post-emergent herbicides that kill existing crabgrass. Choose an active ingredient based on whether you need to prevent or eliminate crabgrass.
Application MethodThe application method refers to how the crabgrass killer is applied to your lawn. Common methods include granular, liquid spray, and ready-to-use formulas. Granular products are spread using a lawn spreader and are ideal for large areas. Liquid sprays can be applied using a garden sprayer and are great for spot treatments or smaller areas. Ready-to-use formulas are convenient and require no mixing or additional equipment. Consider the size of your lawn and your preference for application when choosing a product.
Coverage AreaThe coverage area indicates how much lawn space the product can treat. This is usually measured in square feet. It's important to know the size of your lawn to ensure you purchase enough product to cover the entire area. Products with larger coverage areas are more cost-effective for bigger lawns, while smaller coverage areas are suitable for small yards or spot treatments. Measure your lawn and choose a product that matches your needs.
Safety for Pets and ChildrenSafety is a crucial factor, especially if you have pets or children who play on the lawn. Organic crabgrass killers are generally safer than chemical alternatives, but it's still important to check the product label for any warnings or precautions. Look for products that are labeled as safe for pets and children to ensure peace of mind. If safety is a top priority, opt for products with natural ingredients and minimal toxicity.
Effectiveness TimeframeThe effectiveness timeframe refers to how quickly the product works to eliminate crabgrass. Some products may show results within a few days, while others may take a few weeks. This is important to consider based on how quickly you need to see results. If you need immediate results, look for fast-acting formulas. For long-term prevention, consider products that work gradually but provide lasting protection. Your urgency and lawn care schedule will guide you in choosing the right timeframe.
Environmental ImpactThe environmental impact of the product is an important consideration for eco-conscious consumers. Organic crabgrass killers are designed to be environmentally friendly, but some may have a lower impact than others. Look for products that are biodegradable, non-toxic, and made from sustainable ingredients. Choosing a product with a low environmental impact helps protect the ecosystem and promotes a healthier lawn. If environmental sustainability is important to you, prioritize products with eco-friendly certifications.

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