Pre Emergent Fertilizers

11 min readJun 18, 2024

If you’re looking to keep your garden and grass looking lush and vibrant, you’ll want to consider investing in a pre-emergent fertilizer. In this article, we’ll take a closer look at some of the best pre-emergent fertilizer products on the market, helping you make an informed decision on which one to choose for your landscape. So, let’s get started!

The Top 5 Best Pre Emergent Fertilizers

Preen Pet Safe Granular Lawn Weed Control for Weed-Free Lawns — Keep your lawn pristine with the pet-safe and easy-to-use Preen 30 lbs. Lawn Weed Control, effectively targeting and eliminating a variety of lawn weeds while ensuring minimal odor and ingredient concerns.
Barricade 4FL Pre-Emergent Herbicide: Long-Lasting Weed Control for Turf and Landscape — Barricade 4FL Pre-Emergent Herbicide: A long-lasting, preemergent solution for controlling over 30 weeds in production ornamentals, golf courses (except putting greens), residential turf, and landscape ornamentals.
Scotts Triple Action Turf Builder: Weed & Feed 15 lbs Bag — Scotts Turf Builder Weed & Feed — 15lb bag: Effectively kills dandelions and other lawn weeds, while promoting plant health and improving water absorption, covering 5,000 sq. ft.
Preen One Lawncare: Broad Spectrum Granular Weed Killer & Lawn Feeder — Preen One Lawncare: One easy application for effective weed removal, preventing crabgrass, and nourishing your lawn with slow-release nutrients — all in one time-saving step.
Effective Weed and Feed for Lawns: Preen Lawncare 18 lb. Granules — Preen 18 lb. One Lawncare: Tackle and kill over 250 broadleaf weeds, including dandelions, and feed your lawn for up to 2 months in one easy application!

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Reviews

Preen Pet Safe Granular Lawn Weed Control for Weed-Free Lawns

Preen Lawn Weed Control offers an effective solution for eradicating various lawn weeds, such as dandelion, chickweed, and more. It ensures a hassle-free application process, making it a popular choice for those seeking a weed-free lawn.

The granular formulation ensures a controlled release of the weed-killing agent, eliminating concerns about damaging the lawn when used as directed. By targeting and killing broadleaf weeds, Preen provides a way for homeowners to maintain their lawns with ease.

Key features include a pet-safe formulation, as well as a broad spectrum of weed coverage. However, users may experience mixed results in terms of coverage and weed elimination due to differences in lawn type and other factors, such as local climate conditions.

Some users have reported successful results, while others have encountered issues, such as the weed killer worsening the weed situation or causing unwanted damage due to overuse. It is essential for users to follow the provided instructions carefully, ensuring the best possible outcome for their lawn.

In conclusion, Preen Lawn Weed Control is a suitable solution for those seeking to eradicate common lawn weeds. However, proper usage and consideration of varying lawn types and local conditions are crucial for optimal results.

Barricade 4FL Pre-Emergent Herbicide: Long-Lasting Weed Control for Turf and Landscape

I recently tried using Barricade 4FL Pre-Emergent Herbicide on my lawn and was quite impressed with the results. This handy little 4 oz bottle of herbicide is perfect for controlling more than 30 different types of weeds both in residential and professional settings, like production ornamentals, golf courses, and turf landscapes.

One thing I noticed was that it’s crucial to apply it before the targeted weeds have already sprouted as it will not be effective once they’ve emerged. The product is super easy to use and, once applied, it guarantees long-lasting preemergent weed control with just one application.

However, it’s not all smooth sailing. Barricade 4FL can be a bit tricky to handle due to its thin consistency, which can make it a bit messy when applying. But overall, this pre-emergent herbicide is a great investment for anyone struggling with weed control in their yard.

Scotts Triple Action Turf Builder: Weed & Feed 15 lbs Bag

As a long-time fan of Scotts lawn care products, I was excited to try their Scotts Turf Builder Weed & Feed for dandelion control. After reading the instructions carefully, I applied the product to my lawn late in May, hoping for a thicker, greener, and weed-free lawn. Within a few days, I began to see positive changes on my patch of land. The dandelions were visibly weakened, and by mid-June, they were barely hanging on. With the recommended amount of watering, I eventually saw a lush green carpet emerge out of the formerly weed-ridden turf.

One unexpected side effect was that the product did not deter the dog from using its yard as the designated “potty spot. “ The scent lured him right back in, and I had to clean up a small mess. Overall, the combination of weed control and fertilizer proved effective in improving my lawn’s appearance. However, I did notice that a few weeds were still present after the treatment, particularly around the perimeter of my lawn. Additionally, I found the instructions somewhat confusing, as they seemed to contradict each other. For example, they mentioned that it could be applied during the first three weeks of spring, but then stated that the product should be applied when the weeds were actively growing. I had to research further to figure out the best time to apply to achieve the desired results.

In conclusion, the Scotts Turf Builder Weed & Feed was an effective product for tackling dandelion infestations and nurturing a healthier landscape. However, I had to make a few adjustments due to the confusing instructions and a few remaining weeds. With a bit more diligence, I believe my lawn could achieve the dandelion-free and lush green lawn it was meant to be.

Preen One Lawncare: Broad Spectrum Granular Weed Killer & Lawn Feeder

Preen One Lawncare is an all-in-one solution that tackles not only weed removal but also lawn feeding with ease. It’s perfect for those dealing with broadleaf weeds, such as dandelion and clover, while also preventing annoying crabgrass. The slow-release fertilizer packed within Preen One means you won’t need to worry about further applications for at least two months.

Spray on a damp lawn and watch the weed problem diminish. With Preen One Lawncare in your lawn care arsenal, you can say goodbye to extensive weeding hours and hello to a greener, more robust lawn. It’s compatible with a variety of grass types including bahiagrass, bermudagrass, and zoysiagrass.

However, Preen One may not work as flawlessly for all types of grasses and should be avoided for centipede, St. Augustine, and edible lawns. Moreover, it might not be the best choice for a crabgrass prevention program, as it has the effect of killing the weed seeds, making it less effective as a preventer.

Another potential drawback to consider is the potential adverse effects — it’s not ideal for use around children and pets. Plus, those with a penchant for organic products may not take kindly to its non-natural composition.

In summary, Preen One Lawncare is a go-to for efficient and effective broadleaf weed removal and lawn feeding, but it may not be universally ideal for all grass types or preferences.

Effective Weed and Feed for Lawns: Preen Lawncare 18 lb. Granules

Preen One Lawncare is a versatile solution to your lawn care needs, tackling and killing 250 of the toughest broadleaf lawn weeds like dandelions and crabgrass, all while providing 8 weeks of nourishment for your lawn. This product is perfect for both cool and warm-season grasses, making it suitable for a wide range of lawn types.

One of the standout features of Preen One Lawncare is its slow-release fertilizer, which delivers essential nutrients to your lawn for two months, ensuring that your grass remains green and healthy without the need for multiple applications. The zero-phosphorus formula also helps prevent any damage to the surrounding ecosystems.

However, as with any product, there are pros and cons to consider. While Preen One Lawncare is effective at controlling weeds and providing essential nutrients, some users have reported a slight odor and that it may not work as effectively for certain types of grass. It’s essential to follow the manufacturer’s recommendations and apply the product at the suggested time for optimal results.

Overall, Preen One Lawncare is an excellent option for homeowners seeking an all-in-one solution to their lawn care needs. With its ease of use and long-lasting effects, it’s no wonder that many users have given it high praise for its ability to keep their lawns green and weed-free all season long.

Buyer’s Guide

If you’re looking to maintain a healthy, green lawn without dealing with pesky weeds, a pre-emergent fertilizer could be just what you need. This type of fertilizer is designed to prevent weed seeds from germinating and growing, while also providing essential nutrients to your grass. In this buyer’s guide, we’ll discuss the important features to consider when selecting a pre-emergent fertilizer, as well as some general advice to ensure that your lawn stays looking its best.

Features to Consider

When shopping for a pre-emergent fertilizer, there are several key features to look for. These include:

Weed control, 2) Nutrient content, 3) Application instructions, and 4) Environmental safety and sustainability. By considering these factors, you’ll be able to choose the best pre-emergent fertilizer for your lawn and local conditions.

Weed Control

Pre-emergent fertilizers are specifically designed to prevent weed seeds from germinating. To achieve this, they typically contain herbicidal chemicals that inhibit the growth of weed seedlings. Make sure to choose a fertilizer that targets the specific types of weeds you want to prevent, such as crabgrass or dandelions. Also, pay attention to the product’s label, as it will outline the types of weeds it targets and its effectiveness.

Nutrient Content

In addition to preventing weed growth, pre-emergent fertilizers also provide essential nutrients for your lawn. Look for products with nitrogen, phosphorus, and potassium (NPK) content, as these are the primary components needed for healthy grass growth. The NPK ratios on the label will give you a better idea of what specific nutrients are provided in the fertilizer.

Application Instructions

Applying a pre-emergent fertilizer at the right time is crucial for its effectiveness. Typically, you should apply the fertilizer in the late fall or early spring, as this is when weed seeds are most likely to be present in the soil. Be sure to follow the manufacturer’s instructions for application rates, as well as any specific instructions for your local climate and soil conditions. It’s also a good idea to water the treated area thoroughly, as this will help the fertilizer work its way into the soil and maximize its effectiveness.

FAQ

What is pre-emergent fertilizer?

Pre-emergent fertilizers are a type of fertilizer that is applied before the emergence of weeds. They work by forming a barrier in the soil, preventing weed seeds from germinating. These products help to control weeds, conserve water, and improve the overall health of your lawn or garden. Generally, pre-emergent fertilizers are used as part of an integrated pest management strategy to reduce the need for chemical weed control.

One of the most popular types of pre-emergent fertilizers is the “crabgrass preventer, “ which specifically targets crabgrass and other annual grasses. Crabgrass is a common lawn weed that can be difficult to control once it becomes established, so applying a pre-emergent fertilizer provides an important means of prevention.

How do pre-emergent fertilizers work?

Pre-emergent fertilizers contain slow-release chemicals, typically organophosphates, that create a barrier in the soil. These chemicals inhibit the germination and growth of weed seeds. The fertilizer is applied to the soil surface at carefully calculated rates to avoid negatively affecting beneficial plants or grasses. It is usually recommended to apply pre-emergent fertilizers in mid-spring or early fall, when a majority of weed seeds are present in the soil.

While pre-emergent fertilizers are primarily known for their weed control properties, they also serve as a fertilizer, providing essential nutrients to the soil and roots. The specific nutrient content of pre-emergent fertilizers might vary, but they typically provide a balance of nitrogen, phosphorus, and potassium.

When should you apply pre-emergent fertilizer?

The optimal time for applying pre-emergent fertilizers depends on various factors such as the type of weed you want to prevent, climate, and soil type. In general, most manufacturers recommend applying these fertilizers in early to mid-spring, as this is the period when most weed seeds will germinate. However, it’s also essential to apply the fertilizer when the soil temperature is consistently above 50°F (10°C) to ensure effective weed control.

Additionally, some pre-emergent fertilizers can also be applied in early fall for late-season weed control. Once again, it’s crucial that the soil temperature remains consistently above 50°F (10°C) throughout the fall season to prevent the germination of newly sown weed seeds. Always follow the manufacturer’s instructions for the specific product you’re using to ensure accurate timing.

Are pre-emergent fertilizers safe for pets and kids?

Most pre-emergent fertilizers are safe to use around pets, especially when applied at recommended rates and in accordance with the manufacturer’s instructions. The slow-release nature of these fertilizers means that the active ingredients break down gradually, reducing the risk of accidental ingestion. However, it’s best to keep pets and kids away from the treated area for at least 24 hours after application, just to be safe.

Before applying a pre-emergent fertilizer, it’s usually a good idea to consult your local extension service for advice tailored to your specific circumstances. They can provide guidance on the best products to use based on your soil type, climate, and native weed species. Always read the product label and follow all safety precautions before using any fertilizer product.

What types of weeds are pre-emergent fertilizers effective against?

Pre-emergent fertilizers are designed to target a wide range of weed species, including annual grasses, sedges, and broadleaf weeds. Their effectiveness against specific weeds depends on the ingredients in the fertilizer and the type of weed species you’re trying to prevent. For example, crabgrass preventers are specifically formulated to control annual grasses like crabgrass, dandelion, and foxtail.

It’s essential to choose a pre-emergent fertilizer that is tailored to your specific weed control needs. For comprehensive weed control, it’s often recommended to use a combination of pre-emergent and post-emergent products. Post-emergent products are designed to control actively growing weeds, providing an alternative method of weed management when pre-emergent products don’t work or when weather conditions are unfavorable for application.

How long does a pre-emergent fertilizer last in the soil?

The duration of a pre-emergent fertilizer in the soil varies depending on the formulation and environmental conditions. In general, pre-emergent fertilizers can remain effective for 3 to 6 months after application. However, factors such as soil type, moisture levels, and temperature can influence the longevity of the product. For optimal results, it’s crucial to follow the manufacturer’s instructions regarding the application rate and timing.

Always read the product label and consult your local extension service for advice on the most suitable pre-emergent fertilizer for your specific situation. Taking these steps will help you achieve the best possible results in controlling weeds in your lawn or garden, while minimizing the risk to the environment and your family.