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Best Fertilizer And Weed Killer (2024 Update)

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If you’re looking for the best fertilizer and weed killer to keep your lawn looking green and weed-free, there are a few factors to consider. First, you'll want to determine the type of grass and soil in your yard to ensure you select a product compatible with those conditions. Additionally, you'll want to consider the frequency of application and method of delivery, whether it be granular or liquid form. Lastly, it's important to select a product with the appropriate amount of nitrogen, phosphorus, and potassium to promote healthy growth and prevent weed growth.

Before making a purchase, it's crucial to do your research and read reviews to ensure you're selecting the best fertilizer and weed killer product for your lawn. It's also important to consider any potential negative effects on the environment, such as harmful chemicals. Choosing an organic or natural option may be the best choice for those who prioritize a more eco-friendly solution.

Are you tired of trying multiple products with no success in maintaining a healthy, weed-free lawn? Have you considered the potential negative effects of chemical-based weed killers? Could an organic or natural solution be the answer to your lawn care needs? Keep reading to learn more about the best fertilizer and weed killer options for a healthier, greener lawn.

12 Best Fertilizer And Weed Killer

# Product Image Product Name Product Notes Check Price
1
This product is ideal for organic weed control and is biodegradable and non-toxic.
2
The product is ideal for controlling post-emergent broadleaf weeds in lawns up to 5,000 square feet.
3
The product is ideal for fertilizing and killing weeds on a lawn measuring 5,000 square feet.
4
Ideal for fertilizing and preventing weed growth in lawns during spring season.
5
This product is ideal for killing aquatic weeds including duckweed, watermeal, curly leaf, pondweed and more in lakes and ponds.
6
This product is ideal for preventing weeds and providing food for plants in a 1,120 square foot area.
7
The product is ideal for controlling thistles and clovers in lawns and pastures.
8
This product is ideal for controlling weeds and fertilizing lawns.
9
This product is ideal for fertilizing lawns and killing weeds, including dandelions and clovers.
10
Ideal for fertilizing and killing weeds on southern grass lawns, specifically targeting dollarweed and clover.
11
Ideal for lawn maintenance, promoting strong and healthy turf that is weed-free and vibrant.
12
This product is ideal for fertilizing grass and killing weeds on lawns up to 15,000 square feet.
This product is ideal for organic weed control and is biodegradable and non-toxic.
The product is ideal for controlling post-emergent broadleaf weeds in lawns up to 5,000 square feet.
The product is ideal for fertilizing and killing weeds on a lawn measuring 5,000 square feet.
Ideal for fertilizing and preventing weed growth in lawns during spring season.
This product is ideal for killing aquatic weeds including duckweed, watermeal, curly leaf, pondweed and more in lakes and ponds.
This product is ideal for preventing weeds and providing food for plants in a 1,120 square foot area.
The product is ideal for controlling thistles and clovers in lawns and pastures.
This product is ideal for controlling weeds and fertilizing lawns.
This product is ideal for fertilizing lawns and killing weeds, including dandelions and clovers.
Ideal for fertilizing and killing weeds on southern grass lawns, specifically targeting dollarweed and clover.
Ideal for lawn maintenance, promoting strong and healthy turf that is weed-free and vibrant.
This product is ideal for fertilizing grass and killing weeds on lawns up to 15,000 square feet.

1. Avenger Organic Weed Killer, Biodegradable, Non-Toxic – Concentrate 2.5 Gallon

Avenger, the organic weed killer concentrate is an effective herbicide that can quickly and efficiently kill weeds, grasses, and broadleaves. Its active ingredient is d-limonene, which is a natural citrus oil that strips away the waxy plant cuticle, leading to the plant's dehydration and ultimate death. This non-selective, post-emergence herbicide has been approved for use in organic gardening by the U.S. Department of Agriculture's (USDA) National Organic Program (NOP) rule.

To control annual weeds less than 6 inches tall, a ratio of 1:6 (1 part of Avenger weed killer into 6 parts of water) should be used. However, for larger annual weeds above 6 inches, a ratio of 1:4-1/2 (1 part of Avenger weed killer in 4-1/2 parts of water) should be used.

Avenger weed killer concentrate is an excellent choice for those looking for an organic weed killer that is safe for use around children, pets, and wildlife. It is also an environmentally friendly alternative to traditional chemical herbicides. Its fast action can quickly eliminate stubborn weeds and grasses from your garden, lawn, or driveway.

Furthermore, avenger weed killer concentrate is easy to use and can be applied using a spray bottle, watering can, or pump sprayer. It is important to follow the usage instructions carefully to avoid any potential risks to yourself, others, or the environment.

2. Jonathan Green (12195) Lawn Weed Control – Post Emergent Broadleaf Weed Killer (5,000 Sq. Ft.)

This versatile product can be used throughout the year, providing effective control of over 200 types of weeds. With coverage for up to 5,000 square feet, it is an ideal solution for keeping lawns and gardens looking their best. What's more, this solution is completely fertilizer-free, making it a safe and eco-friendly choice for homeowners.

Whether you're tackling weeds in the spring or maintaining your lawn through the summer, this product is up to the task. It is specially formulated to provide targeted control of common weeds like dandelions, crabgrass, and clover, while also preventing the growth of less well-known varieties. With its wide-ranging effectiveness, it is a must-have for any homeowner looking to keep their outdoor spaces looking their best.

With coverage for up to 5,000 square feet, this product is perfect for larger lawns and gardens. It can be applied easily using a spreader or other equipment, and its fast-acting formula means that you'll start to see results in no time. Plus, because it is completely fertilizer-free, you can rest assured that it won't harm your lawn or garden in any way.

3. Scotts 4-Step Program Step 2 Lawn Fertilizer With Weed Killer, 5,000 Square Feet Coverage

The Scotts Turf Builder Weed and Feed Fertilizer is an excellent solution for those looking to achieve a lush and green lawn. This fertilizer covers an impressive 5,000 square feet, making it ideal for large lawns. With a fertilizer analysis of N-P-K 28-0-3, this product provides the necessary nutrients to build a thick and healthy lawn from the roots up.

In addition to its fertilizing properties, the Scotts Turf Builder Weed and Feed also kills dandelions and other listed broadleaf weeds. Say goodbye to unsightly weeds and hello to a picture-perfect lawn with this product.

This fertilizer is perfect for those looking for an annual program to maintain a beautifully green lawn. Its unique formula delivers the necessary nutrients to build a thick and healthy lawn that will make your neighbors envious.

It's important to note that this product is an aftermarket of a generic part. However, this does not take away from its effectiveness or quality. The Scotts Turf Builder Weed and Feed Fertilizer is a reliable and efficient solution for those looking to achieve a beautiful lawn.

4. Greenview 2129193 Fairway Formula Spring Fertilizer Weed & Feed With Crabgrass Preventer, 36 Lb

The GreenView Crabgrass Control Plus Lawn Food is a professional-grade product that provides DIY enthusiasts with the desired results. With one application, this product covers three lawn treatments and delivers a range of benefits including blocking crabgrass, killing weeds, and feeding the lawn.

The proprietary formula of the GreenView Crabgrass Control Plus Lawn Food is designed to kill over 200 tough lawn weeds, including dandelions and seedling crabgrass, simultaneously. The 65% slow-release nitrogen formulation ensures that the lawn is fed steadily and evenly for up to 12 weeks.

It is important to note that the GreenView Crabgrass Control Plus Lawn Food should not be used on St. Augustine grass in Florida, or on dichondra and carpet grass, as it may result in serious lawn injury. This product covers an area of 15,000 sq ft and is not available for sale in AK, CA, or HI.

The manufacturers of the GreenView Crabgrass Control Plus Lawn Food offer a Yard Wide Guarantee, ensuring customers' satisfaction. If for any reason the product does not meet the customer's expectations, they are entitled to a full refund.

5. Aquatic Weed Killer – Crystal Blue Tsunami

The Diquat formula is a highly effective herbicide that is specifically designed to eliminate both surface and submerged weeds that have developed resistance to copper. This powerful formula is capable of controlling even the most stubborn of weeds, including notoriously difficult species like duckweed.

At the heart of the Diquat formula is a potent concentration of diquat dibromide, comprising an impressive 37.3% of the herbicide's overall composition. This potent ingredient ensures that the formula is able to quickly and effectively eliminate weeds, leaving behind a clear and healthy aquatic environment.

When using the Diquat formula, the amount needed will depend on the level of infestation and the type of weed that needs to be treated. Typically, a range of 2-8 quarts per surface acre is recommended for aquatic environments.

For particularly stubborn weeds, it is recommended to use the Plex Mate enhancer in conjunction with the Diquat formula. This helps to further enhance the herbicide's effects, resulting in even more comprehensive weed control.

6. Preen 2164174 Garden Weed Preventer + Plant Food-7 Lb. -Covers 1,120 Sq. Ft, White

The product is designed to provide an effective solution for those looking to maintain a healthy and vibrant garden. This all-in-one weed preventer and plant feeder is a versatile tool that can be used throughout the spring, summer, and fall seasons. It can be used in flower and ornamental garden beds, ground covers, trees, and shrubs with ease.

The balanced fertilizer in this product is formulated to promote abundant blooms, increased yields, and strong root development. It is safe to use around over 200 established flowers, vegetables, trees, and shrubs. This means that users can enjoy the benefits of a well-fed garden without worrying about harming their plants.

This product has a long-lasting effect, ensuring that one application can feed the plants and prevent weeds for up to three months. This feature is particularly useful for those with busy schedules who want to spend less time maintaining their garden.

The flip-top applicator cap makes it easy to apply this product. It ensures that the user can apply it precisely where needed without wasting the product. The product's coverage area is 1120 sq. ft, which is ample for most garden sizes.

7. Monterey Lg5482 Thistledown Weed Killer Thistle And Clover Control Concentrate, 8 Oz

Thistledown is a powerful herbicide that is designed to control actively growing broadleaf weeds and thistle in non-crop areas, pastures, and ranges. It contains a full-strength active ingredient, clopyralid, that effectively targets and eliminates stubborn weeds like Canada thistle, musk thistle, star thistle, and knapweed. This product is also effective in controlling kudzu, dandelion, and Oxalis.

It is important to note that Thistledown should be used with caution around ornamental plants and vegetables, as they are susceptible to the herbicide. Additionally, it should not be applied in ditches containing irrigation water. However, there are no grazing restrictions on the use of this product, making it a great option for ranges, pastures, ranchette pastures, and other non-crop areas. It is important to note that legumes in treated pastures may be injured or killed.

To ensure the most effective results, it is crucial to follow the label instructions when using Thistledown. Users should avoid contact with clothing or skin and mix the concentrated product as instructed. It is also important to avoid applying it to crop areas.

8. Scotts Liquid Turf Builder With Plus 2 Weed Control, Lawn Fertilizer, 32 Fl. Oz. (6-Pack)

The lawn care enthusiast can now effortlessly achieve a lush and healthy lawn with this nitrogen-boosting and weed-controlling solution. This product is designed to kill major lawn weeds such as dandelions and clover while providing a quick boost of nitrogen to the lawn.

Using this product is a breeze – simply attach a hose and spray. It is important to apply the solution when the weeds are actively growing for optimal results.

Say goodbye to unsightly weeds and hello to a vibrant lawn. This product is easy to use and highly effective in promoting a healthy lawn.

9. Scotts 2-In-1 Weed & Feed Fertilizer

This lawn care product is designed to give your lawn a quick boost of nitrogen while effectively controlling unwanted weeds. With its powerful formula, it can effectively kill dandelions, clover and other major lawn weeds.

Using this product is a breeze, simply attach a hose and spray it on your lawn. It is recommended to spray the product when weeds are actively growing to ensure maximum effectiveness.

Its ease of use makes it perfect for anyone looking to improve their lawn's appearance without having to put in too much effort. With this product, you can achieve a luscious green lawn with minimal hassle.

In addition to its weed-killing properties, this lawn care product is also rich in nitrogen, which is essential for healthy lawn growth. By providing your lawn with the necessary nutrients, you can ensure that it stays healthy and vibrant all year round.

10. Southern Weeder's Fertilizer For 10k Sq. Ft.

The Scotts Turf Builder Bonus S Southern Weed & FeedF2 is an excellent fertilizer that promotes a lush, green lawn while effectively eliminating pesky weeds. Designed for use on southern grasses, including St. Augustinegrass (including Floratam), Centipedegrass, Zoysiagrass, and Carpetgrass, this product covers up to 10,000 sq. ft. and is perfect for homeowners looking to achieve a thick, healthy-looking lawn.

One of the key benefits of this product is its ability to kill dollarweed, clover, and other existing lawn weeds as listed on the packaging. By tackling these weeds head-on, the Scotts Turf Builder Bonus S Southern Weed & FeedF2 helps to build thick green turf that not only looks great but also helps to prevent runoff and crowd out future weeds.

To use this product, simply apply it to your lawn according to the instructions on the packaging. Be sure to follow all safety precautions and keep children and pets away from the treated area until it has been watered in and completely dried.

11. Fertilome (10921) Weed-Out Plus Lawn Fertilizer 25-0-4 (20 Lbs.)

Looking for a solution to keep your lawn healthy and free from weeds? Look no further than this dual-action formula that provides your lawn with the necessary nutrients and protection from unwanted weeds.

This product is effective in controlling over 200 broadleaf weeds, including Dandelion, Clover, and Chickweed, among others. The label provides a comprehensive list of all the weeds that can be controlled with this formula.

Each 20 lb. bag of weed killer and fertilizer granules can treat up to 5,000 square feet of your lawn. This makes it ideal for use on cool and warm season grasses such as Bermuda, Bahia, Fescue, Bent, Bluegrass, and more.

Before applying the formula, lightly wet your lawn to ensure maximum absorption. It is important to avoid watering your lawn for 24 hours after treatment to allow the product to work effectively. Results can be seen in as little as 7-10 days, giving you a healthy and weed-free lawn to enjoy.

12. Veri-Green Weed & Feed Fertilizer: 15,000 Sq. Ft.

Introducing a lawn care solution that combines fertilizer and weed control in a single application, making it a versatile and convenient tool for homeowners. This product is formulated to eliminate common weeds such as dandelions, clover, and chickweed with a potent weed killer. Not only does it target weeds, but it also provides essential nutrients for healthy grass growth and development with a 21-0-3 fertilizer formula that is rich in nitrogen and potassium.

Designed for large lawns up to 15,000 square feet, this product is a cost-effective solution for homeowners who want to keep their lawns healthy and free of weeds. The easy-to-apply weed and feed formula saves time and effort, making it an ideal choice for those who want a lush, green lawn without the hassle.

The product's parameters and specifications ensure that it delivers effective results. It contains a potent weed killer that targets common lawn weeds, providing homeowners with the peace of mind that their lawn is protected against unwanted plants. Additionally, the 21-0-3 fertilizer formula is carefully crafted to provide the essential nutrients needed for optimal grass growth and development.

Best Fertilizer And Weed Killer FAQs

Are organic fertilizers and weed killers better than synthetic ones?

Organic fertilizers and weed killers have gained popularity in recent years due to their perceived benefits. Unlike synthetic fertilizers and weed killers, organic ones are made from natural materials that are easily biodegradable, making them less harmful to the environment. Organic fertilizers provide nutrients to plants over a longer period of time, and they improve the soil structure and water-holding capacity. They also promote the growth of beneficial microorganisms in the soil, which can enhance plant growth and health.

On the other hand, synthetic fertilizers and weed killers are made from chemicals that can be harmful to the environment and human health. They can easily contaminate soil and water, and their effects can be long-lasting. Synthetic fertilizers provide nutrients to plants quickly, but they do not improve soil structure or promote microbial activity. Synthetic weed killers are effective in killing weeds, but they can also harm beneficial plants and insects.

Overall, organic fertilizers and weed killers are better than synthetic ones due to their environmental sustainability and long-term benefits. However, it is important to note that each fertilizer or weed killer has its own benefits and drawbacks, and their effectiveness can vary depending on the specific needs of the plants and the environment.

Are there any safety precautions I should take when applying fertilizer and weed killer?

Yes, there are safety precautions that you should take when applying fertilizer and weed killer. First, make sure to read and follow the instructions on the product label carefully. Wear protective clothing such as gloves, long-sleeved shirts, pants, and closed-toe shoes to prevent skin contact with the chemicals. If possible, avoid applying these products on windy days to prevent inhalation of the chemicals.

To prevent accidental ingestion of the chemicals, do not eat, drink, or smoke while applying the products. Keep children and pets away from the area until the chemicals have dried or have been watered in. When storing these products, keep them out of reach of children and pets.

If you accidentally spill or get the chemicals on your skin, wash the affected area immediately with soap and water. In case of ingestion or inhalation, seek medical attention immediately.

Overall, taking these safety precautions can help prevent accidents and protect your health while using fertilizer and weed killer.

Can I make my own natural fertilizer and weed killer at home?

Yes, it is possible to make your own natural fertilizer and weed killer at home. For natural fertilizer, you can use kitchen scraps, such as fruit and vegetable peels, eggshells, and coffee grounds, to create a compost pile. This compost can then be added to soil to provide nutrients for plants. You can also make a liquid fertilizer by steeping compost in water and then using the resulting liquid to water your plants.

As for natural weed killers, there are several options. One common method is to mix vinegar and water and spray it onto weeds. Another option is to use boiling water to kill weeds, or to sprinkle salt on them. However, it is important to note that these methods may also harm desirable plants, so use them with caution.

It is always a good idea to do some research and experimentation before using natural fertilizers and weed killers, as different plants may have different needs and sensitivities. Additionally, consider consulting with a gardening expert to ensure that you are using the best methods for your specific gardening needs.

Can I use a single product for both fertilizing and weed control?

There are some products available in the market that claim to provide both fertilizing and weed control benefits. However, it is important to note that not all fertilizers have weed control properties and vice versa.

If you are looking for a product that can serve both purposes, you should carefully read the label and product description to ensure that it is suitable for your needs. Some fertilizers may contain herbicides that can prevent weed growth, while others may only provide nutrients to your plants without affecting weeds.

It is also important to note that the type of weed and the type of plant you are growing will determine the effectiveness of the product. Some products may work well for certain types of weeds but may not be effective against others.

In summary, while there are products available that claim to provide both fertilizing and weed control benefits, it is important to do your research and carefully read the label to ensure that it meets your specific needs.

Can I use fertilizer and weed killer on new grass?

Yes, you can use fertilizer and weed killer on new grass, but it is important to be careful and follow proper guidelines to ensure the health of your lawn.

When it comes to fertilizer, it is generally recommended to wait until your new grass has been established for at least a few weeks before applying any type of fertilizer. This will give the grass enough time to develop a strong root system and better absorb the nutrients from the fertilizer. Always follow the instructions on the fertilizer package, and make sure not to over-fertilize as this can lead to burnt grass and other issues.

As for weed killer, it is important to use a product that is labeled as safe for use on new grass. Some weed killers can damage or even kill young grass, so it is important to choose a product specifically designed for new lawns. Always follow the instructions carefully, and avoid applying weed killer on windy days to prevent it from spreading to other areas of your lawn or garden.

Overall, with proper care and attention, you can use fertilizer and weed killer on new grass to help establish a healthy and thriving lawn.

How often should I apply fertilizer and weed killer to my lawn?

The frequency of applying fertilizer and weed killer to your lawn depends on several factors, including the type of grass, soil quality, climate, and the type of fertilizer and weed killer you use. Typically, it is recommended to apply fertilizer every six to eight weeks during the growing season, which is usually from spring to fall. However, if you have a slow-release fertilizer, you may only need to apply it once or twice during the season.

The application of weed killer depends on the type of weed and its growth cycle. Some weeds are best treated in the spring, while others are more effectively controlled in the fall. It is important to follow the instructions on the weed killer product carefully and apply it only as needed to avoid overuse.

To determine the optimal frequency of applying fertilizer and weed killer to your lawn, it is best to consult with a professional landscaper or gardening expert who can assess your lawn and provide personalized recommendations. Additionally, regularly testing your soil can help you understand its nutrient levels and any deficiencies, which can also inform your fertilization schedule.

What are the environmental implications of using fertilizers and weed killers?

The use of fertilizers and weed killers in agriculture and gardening has both positive and negative environmental implications. Fertilizers are used to increase soil fertility and promote plant growth. However, excessive use of fertilizers can lead to the contamination of groundwater and surface water sources, which can harm aquatic ecosystems and human health. Nitrogen and phosphorous in fertilizers can also contribute to eutrophication, which causes excessive growth of algae and other aquatic plants, leading to the depletion of oxygen in water bodies and the death of aquatic animals.

Weed killers, on the other hand, are used to control the growth of unwanted plants. However, they can also harm non-target plants and animals, including beneficial insects such as bees and butterflies. The chemicals in weed killers can also persist in the environment, contaminating soil and water sources.

To minimize the negative environmental impacts of fertilizers and weed killers, it is essential to use them in moderation and follow the recommended application guidelines. Alternative methods such as crop rotation, natural pest control, and organic farming practices can also be employed to reduce the use of chemical fertilizers and weed killers and promote sustainable agriculture.

What are the most common types of weeds that fertilizers and weed killers target?

There are several common types of weeds that are targeted by fertilizers and weed killers. The most common types of weeds that these products are designed to combat include broadleaf weeds such as dandelions, clover, and chickweed. These weeds have a broad, flat leaf structure that makes them easily recognizable and distinguishable from other plants.

Other common types of weeds that are targeted by fertilizers and weed killers include grassy weeds such as crabgrass and goosegrass. These weeds have a narrow, blade-like leaf structure and can be more difficult to identify and control.

Fertilizers work by providing essential nutrients to plants, which can help them grow stronger and healthier, making it more difficult for weeds to thrive. Weed killers, on the other hand, contain chemicals that are designed to specifically target and kill weeds, while leaving other plants relatively unharmed.

It's important to note that different fertilizers and weed killers may be more effective against different types of weeds, so it's important to choose products that are specifically designed to target the types of weeds that are present in your lawn or garden. Additionally, it's important to follow the instructions on these products carefully, as improper use can lead to damage to your plants or the environment.

What is the best fertilizer and weed killer for my lawn?

Choosing the best fertilizer and weed killer for your lawn depends on various factors such as the type of grass, soil, climate, and the type of weeds you want to control. One of the most popular and effective types of fertilizers is a slow-release fertilizer that provides the necessary nutrients over a longer period. This helps to promote healthy, sustained growth for your lawn. Look for fertilizers with a balanced NPK ratio (Nitrogen, Phosphorus, and Potassium).

When it comes to weed killers, there are two main types: selective and non-selective. Selective weed killers target specific types of weeds, while non-selective weed killers will kill any plant it comes into contact with. It's important to choose a weed killer that is safe for your specific type of grass and won't damage it.

For best results, it's recommended to use a fertilizer and weed killer separately, rather than a combination product. This allows you to adjust the application rates and timing based on the specific needs of your lawn. It's also important to follow the instructions carefully and apply the products at the appropriate time of year for optimal results. Consulting with a lawn care professional can also be helpful in determining the best fertilizer and weed killer for your lawn.

What is the best time of year to apply fertilizer and weed killer?

The best time of year to apply fertilizer and weed killer depends on several factors, including the type of grass or plants you have, the climate in your area, and the specific products you are using. In general, however, the ideal time to apply fertilizer is during the growing season, when your lawn or plants are actively growing and can make the most use of the nutrients. This typically means applying fertilizer in the spring and fall, when temperatures are mild and rainfall is plentiful. As for weed killer, timing can be more specific, as different weeds may be most vulnerable at different times of year. For example, broadleaf weeds are often easiest to control in the fall, when they are storing nutrients for the winter. It's important to follow the instructions on your specific fertilizer and weed killer products, and to pay attention to any local regulations or restrictions on their use.

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