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10 Best Pre Emergent Herbicide Right Now | Buyer’s Guide

Gardening involves taking care of several complex aspects, resulting in successful germination.

Rear view of Caucasian mature peasant in working clothes, hat and with modern pesticide spray machine on backs spraying bugs in orchard.

It would help if you were vigilant of various factors for your garden to flourish, and often you might have to tackle an issue before it even occurs. In that regard, pre-emergent herbicides prove incredibly useful, keeping your garden free from weeds and other unwanted growth all year round.

In some cases, gardeners tend to wait for weeds to appear before they spring into action. But a more effective solution would be to nip the problem in the bud. Additionally, pre-emergent herbicides have all the essential components to provide perfect growing conditions once the weed is removed.

However, the question is, how do you choose from the several options available out there? To help, we've narrowed down 10 quality products that are taking the market by storm. Plus, we've added a buyer's guide to answer any lingering doubts.

So, grab your protective gear, and let's begin.

Best Pre-Emergent Herbicide

Protection of crops from pests and diseases. Bottle with a pesticide in the hand of an agronomist.

Here's the list of the 10 best pre-emergent herbicides right now, along with a buyer's guide to help you choose the perfect one for your gardening needs.

1. The Andersons Weed Control

One of our top recommendations is The Andersons Weed Control, and with good reason. It has all the relevant components, protecting against weeds and other harmful growth to keep your plants safe throughout the year. So, it has generated substantial buzz among buyers, leading to mostly positive reviews.

The Andersons Barricade Professional-Grade Granular...
  • Apply this product only in EARLY SPRING and FALL
  • Barricade professional-grade pre-emergent weed control is...

Why Did We Like It? 

When you choose to apply a pre-emergent herbicide, timing is everything because you need to kill the weeds before they grow. The best time to use this product would be in early spring or fall when weed growth flourishes. Subsequently, it stops unwanted growth and clears the path for fresh grass to appear.

We've seen it contains 0.48% prodiamine, which has several benefits but most of all it's highly versatile. It offers protection against more than 30 types of grass and broadleaf weeds to keep your garden healthy and is well supported by the DG Pro formula. Therefore, it contains more particles for every square inch of chemicals for better weed control.

Additionally, it doesn't harm your plants, making it a favorite among turf care professionals and gardening enthusiasts alike. You can use it in different conditions, allowing you to be proactive since it doesn't work if weed has already appeared.

What Could've Been Better? 

If you aren't a regular gardener, the huge instruction sheet may seem overwhelming. The points aren't easily understandable, and the manufacturers should've taken more care to make it uncomplicated. Also, the letters are incredibly tiny, which isn't convenient.



Pros

  • Versatile
  • User-friendly
  • It doesn’t harm plants
  • More particles per square inch
  • Various sizes




Cons

  • Poor instructions



Active Ingredient: Prodiamine 0.48% | Dimensions: 17.5 x 12.5 x 5 inches | Weight: 18 pounds | Type: Pre-emergent | Safe for Plants: Yes

2. Tenacity Turf Herbicide

If you liked our earlier recommendation, then brace yourselves because the products keep getting better. Next up is the Tenacity Turf Herbicide, targeting a wide range of weeds for all-round coverage. While the bottle may be small, there can be no doubts about the potency on offer.

Sale
Syngenta Tenacity Herbicide - Pre-Emergent and Post-Emergent...
  • BROAD-SPECTRUM WEED CONTROL: Tenacity herbicide is a liquid...
  • APPLICATIONS AT SEEDING: Unlike most herbicides, Tenacity...

Why Did We Like It? 

There are several fantastic features we need to cover, so let's get right into it. You'll be pleased to note that this is both a pre-emergent and post-emergent herbicide, offering complete performance. It works as a selective contact agent to control the growth of weeds and turf.

Now, if used as a pre-emergent herbicide, weeds that begin growing to absorb the mixture, which prevents them from spreading further. What's more, it kills a wide variety of pests from carpetweed, chickweed, clover, and crabgrass, thanks to the presence of 40% Mesotrione. However, it doesn't harm your plants, which bodes well for gardeners.

We loved that the designers included a syringe allowing you to measure the amount of solution needed. Hence, you can use it for a long time, even in extreme weather conditions, without any hassle.

What Could've Been Better? 

Although the syringe makes measuring easier, it's challenging to use it in the bottle. But this is not a significant issue; you'll get the hang of it with time. Also, it'll be a while before you see noticeable results, meaning you need to have a lot of patience or opt for some other unit.



Pros

  • Versatile
  • Works as a post and pre-emergent herbicide
  • Affordable
  • User-friendly
  • Prevents growth of dandelion




Cons

  • Sticky syringe
  • It takes time to get results



Active Ingredient: Mesotrione 40% | Dimensions: 2 x 2.5 x 4.5 inches | Weight: 0.5 pounds | Type: Pre-emergent & Post-emergent | Safe for Plants: Yes

3. Prodiamine Herbicide

If your primary requirement is versatility, it's difficult to look past the Prodiamine Herbicide. You can use it in several spots to keep your property in prime condition, and it doesn't have any harmful effects, which will please you. No surprise that users have taken an active interest in what it offers.

Quali-Pro Prodiamine, Pre-Emergent Herbicide, 5 lbs, Yellow...
  • PRE-EMERGENT HERBICIDE: Quali-Pro's Prodiamine 65 WDG...
  • FEATURES & BENEFITS: Excellent tank mix partner with...

Why Did We Like It? 

We begin by discussing one of the most critical aspects of pre-emergent herbicides: the choice of ingredients. When the plan of action is to stop the weed from emerging, ingredients like 65% prodiamine prove useful. It keeps the plants safe while providing extensive coverage for the corners of the lawn.

You can control various types of harmful grass and broadleaf, making it an all-around unit for most situations. Even under unpredictable weather conditions, you won't have to worry about potency, highlighting its exceptional durability. We especially loved the flexibility it delivers, allowing you to use it in spring or fall for the best results.

It comes in a five-pound bottle, sufficient for most gardens, turf surfaces, or golf courses. Plus, it delivers outstanding protection against crabgrass throughout the year and kills bluegrass, knotweed, chickweed, and spurge.

What Could've Been Better? 

There are a couple of issues with the herbicide; you'll notice the instructions don't specify the amount of water you need to use. Therefore, you might have problems using the spray, but you'll get better with practice. Additionally, it's available in a jug rather than a bag, which is a point of contention for some customers.



Pros

  • Flexible application
  • Can be used throughout the year
  • Versatile
  • Prevents chickweed
  • Affordable




Cons

  • Needs better instructions
  • It comes in a jug



Active Ingredient: Prodiamine 65% | Dimensions: 4.7 x 6.95 x 10.5 inches | Weight: 5 pounds | Type: Pre-emergent | Safe for Plants: Yes

4. Compare-N-Save Weed Killer

The Compare-N-Save Weed Killer has many similarities with some of the other products available out there, but it stands out in durability. It can withstand various weather conditions, providing the best results throughout the year for you to keep the grass healthy. Rest assured, you'll get your money's worth.

Sale
Compare-N-Save 75324 Herbicide, 1-gallon, white
  • Rainproof in 2 hours
  • Visible results in as little as 2 to 4 days

Why Did We Like It? 

The striking aspect of this herbicide is the range of choices - from quantity to components. Depending on the area you need to cover, the manufacturers have included three variations in quantity. Additionally, along with the weed killer, you get a bleach sprayer, making it a multi-purpose model suitable for numerous tasks.

It's completely rainproof, providing excellent protection, irrespective of the changing seasons. In that regard, the fast-action formula comes into effect by showing visible results within two to four days. Plus, it's highly potent, thanks to the use of 41% glyphosate to keep your garden free from all types of harmful growth.

It'll please you to note that you can cover a maximum area of 25,000 square feet as it comes in a ready-to-use spray bottle. This will help you reach all corners of the lawn without any hassle.

What Could've Been Better? 

It's highly potent, so you need to be careful about the amount you choose to use. Along with weeds, it also clears out grass and plants, which isn't the ideal scenario. You need to carefully read the instructions to decide how much water needs to be added to dilute the mixture.



Pros

  • Various sizes
  • Includes bleach sprayer
  • Multi-purpose model
  • Fast-action formula
  • Affordable




Cons

  • May kill grass and plants



Active Ingredient: Glyphosate 41% | Dimensions: 4.25 x 7.5 x 11.88 inches | Weight: 9 pounds | Type: Non-selective | Safe for Plants: No

5. RM43 Vegetation Control

We're at the halfway point of our list, but there are several quality units we're yet to review. Our next recommendation is the RM43 Vegetation Control, delivering fantastic coverage, which makes it suitable for taking excellent care of your property. It has made some exciting upgrades which are sure to please you.

Sale
RM43 43-Percent Glyphosate Plus Weed Preventer Total...
  • Kills weeds and prevents weeds for up to 1 year
  • Treats 43,243 square feet

Why Did We Like It? 

First and foremost, fantastic options play a crucial role in catering to various users. Based on the size of your garden, you can go for the maximum quantity of 2.5 gallons. Besides, to make work more manageable, RM43 has added a sprayer, bleach, and weed preventer.

It delivers consistent output throughout the year and prevents different types of weeds or harmful grass from interfering with germination. You get coverage of 43,243 square feet, and thanks to its incredible potency, it removes vegetation altogether. It's the ideal unit for keeping your garden clean, providing a refined look.

Other than that, it works well on gravel paths, driveways, parking areas, and on farms. The significant improvement is that it permits spot control of brush, vines, and weeds, highlighting exceptional user-friendliness.

What Could've Been Better? 

It's priced higher than some of the other models, which is a letdown for prospective gardeners. We understand RM43 has kept the price higher because of the array of functions. But when it comes to quality, it's best not to compromise with the price, so hopefully, you don't have a tight budget.



Pros

  • Durable
  • Versatile
  • Total vegetation control
  • User-friendly
  • Numerous sizes




Cons

  • Costly



Active Ingredient: Glyphosate 43% | Dimensions: 6 x 9 x 14.38 inches | Weight: 25.1 pounds | Type: Non-selective | Safe for Plants: No

6. Scotts Weed & Feed

Scotts is a well-known brand among gardeners, thanks to its range of fantastic products, and Scotts Weed & Feed is no different. It delivers exceptional coverage while the powerful formula gets rid of unwanted growth reasonably quickly. We assure you won't be disappointed.

Scotts Turf Builder WinterGuard Fall Weed & Feed3, Weed...
  • Scotts Turf Builder WinterGuard Fall Weed & Feed3 weed...
  • Fall weed and feed kills over 50 listed lawn weeds,...

Why Did We Like It? 

Straight off the bat, the extensive coverage makes it stand out, allowing you to cover 15,000 square feet without any hassle. You can use it in most spaces with aplomb, thanks to its powerful formula, providing two times better dandelion and clover control. Therefore, it protects your lawn from various types of unwanted growth.

The significant addition is the weed grip technology, having several benefits. Once you spray it in all relevant areas, it grips onto the weeds in plain sight, but more importantly, it locates weeds you don't see. Therefore, it provides all-around coverage and clears the path for fresh grass to grow.

Additionally, it improves soil structure and supplies essential nutrients by going deep into the surface. The roots are made stronger, ensuring you have a beautiful lawn in different conditions, and it enhances the absorption properties of the soil.

What Could've Been Better? 

You need to keep in mind a few things, and the foremost among them is that it requires a damp lawn for best results. Also, be careful about how much mixture you use because it tends to kill the grass in some cases. If you find the grass going brown, you've probably used too much.



Pros

  • Clears out dandelions
  • Protects against clover
  • Improves absorption
  • Strengthens roots
  • Allows passage of nutrients




Cons

  • May kill the grass
  • Requires a damp lawn



Active Ingredient: N/A | Dimensions: 17.5 x 3 x 12 inches | Weight: 14.3 pounds | Type: Selective | Safe for Plants: Yes

7. Preen Weed Preventer

The Preen Weed Preventer has quickly climbed the charts to cement a place among the top products. With features like the flip-top applicator and its extensive coverage, you can get the desired results in most situations, endearing it to users. No wonder it has received a positive response.

Why Did We Like It? 

Right away, you'll notice the many available sizes, corresponding to which the area of coverage varies as well. The smallest unit weighs 4.93 lbs and covers 805 square feet, while the largest unit weighs 21.45 lbs and can cover 3,500 square feet. So, it's highly versatile and delivers a potent output.

With just one application block, you can prevent weed growth for up to six months, making it convenient for use throughout the year. It checks the growth of over 600 perennials, groundcovers, shrubs, and trees to provide much-needed reliability in your gardening activities.

We especially liked the flip-top applicator cap, which adds to its user-friendliness. Plus, it can withstand various weather conditions, remaining unaffected in extreme heat and cold thanks to its high potency.

What Could've Been Better? 

Like some of the other models, the application involves numerous steps, and you need to be vigilant so that you don't miss any. One of the essential steps is to apply water after spreading the solution; for this, you must know the appropriate amount. Too little or too much water may not deliver the required output.



Pros

  • Easy to use
  • Protects against 600 perennials
  • Versatile
  • Extensive coverage
  • Numerous sizes




Cons

  • Involves many steps



Active Ingredient: N/A | Dimensions: 4.75 x 8.5 x 11.5 inches | Weight: 4.93 pounds | Type: Pre-emergent | Safe for Plants: Yes

8. Snapshot Herbicide

The Snapshot Herbicide has most bases covered, thereby topping rival brands. You get to use it for a long time on various types of weeds, making it one of the most versatile units going around. Rest assured, you'll get your money's worth.

DOW Snapshot 2.5 TG Granular Pre-emergent Herbicide
  • Snapshot 2.5 boasts more control than any other pre-emergent...
  • Up to 6-8 months of control for 111 broadleaf and grassy...

Why Did We Like It? 

If your primary concern is control, you'll like what Snapshot has lined up for you. One of the most significant assets of this herbicide is that it allows you to manage the quantity and potency of the solution. Therefore, your gardening activities become more manageable, giving it an edge over other models.

Another significant improvement is the incredible variety on offer, thanks to its exceptional durability. Since it lasts a long time, it protects against 111 broadleaf and grass weeds, keeping your lawn fresh all year round. All you need to do is to add 2.3-4lbs of the solution on an area of 1,000 square feet for the best results.

We suggest you spray the mixture before monsoon or irrigation and let the ingredients spring into action. Among the various components, the manufacturers have added isoxaben and trifluralin, which attacks the weed, making room for fresh grass to grow.

What Could've Been Better? 

You need to get the amount right because it's highly potent and may end up killing quite a few shrubs. We received reports from users stating that along with weed, it also hurts individual plants if used in large quantities. So, we’d suggest you slowly increase the dosage.



Pros

  • Added control
  • Protects against 111 weeds
  • Great coverage
  • Weather-resistant
  • Lasts for 6-8 months




Cons

  • May kill certain shrubs



Active Ingredient: Isoxaben, Trifluralin | Dimensions: 15 x 4 x 26 inches | Weight: 50 pounds | Type: Pre-emergent | Safe for Plants: Yes

9. Non-Ionic Surfactant

The Non-Ionic Surfactant has a wide range of functions, making it ideal for your gardening activities. Using the latest technology, it allows you to remove weeds and promotes healthier grass growth. But that's not the only good thing about it; read on to find out more.

Why Did We Like It? 

Interestingly, it's a non-ionic surfactant that acts as a weed killer and maintains the garden in top condition. You can use it with several types of plants, making it suitable for numerous purposes, while the easy application makes it ideal for all age groups. You can reach all corners of the garden and spray the relevant areas quickly.

The solution consists of 80% active wetting blend technology, while the addition of ammonium sulfate is a masterstroke. It improves the absorption properties of plants, permitting your leafy friends to attain peak performance throughout the year. The affordable herbicide doesn't affect germination, so you're sure to be interested. 

We must mention that it's alcohol-free, meaning it's non-flammable, and you'll remain safe at all times. Plus, it has outstanding durability to endure different weather conditions; neither rain nor sun will impact potency.

What Could've Been Better? 

One issue is that it tends to clog the sprayers, which isn't an ideal scenario. We found that it might not break down as much, which is why it gets stuck in the pores of the sprayer. So, you'll need to spend some time freeing the sprayer of debris.



Pros

  • Alcohol-free
  • Non-flammable
  • Wide coverage
  • Efficient
  • Helps plant growth




Cons

  • Clogs the sprayer



Active Ingredient: Surfactant 80% | Dimensions: 4 x 1.5 x 6 inches | Weight: 1.04 pounds | Type: Non-ionic surfactant, wetter | Safe for Plants: Yes

10. AgroSciences Herbicide

The AgroSciences Herbicide is turning quite a few heads among prospective buyers, and a closer look reveals why. It has everything you could wish for, making it highly popular in the market. You can't go wrong, thanks to its incredible performance, allowing you to maintain the quality of your lawn.

Dimension 2EW Herbicide - 0.5 Half Gallon (64 Ounces)
  • Dimension specialty herbicide is the only preemergence...
  • t offers exceptional turf and ornamental safety on both...

Why Did We Like It? 

Firstly, a lot of thought has gone into its choice of ingredients, which provides several advantages for your gardening needs. It keeps weed and other harmful growth in check while improving the absorption properties of the soil. Over time, it strengthens the roots by allowing nutrients and water to reach deep into the surface.

You'll be pleased to see it offers sufficient coverage, making it suitable for most lawns. Therefore, you can spray it on all corners of the garden for complete protection. In that regard, we suggest you use it during spring or fall when weed growth tends to be high.

What's more, it's very durable and can endure turbulent weather conditions without compromising on potency. Plus, the fast-action formula delivers quick results, clearing the path for fresh grass to grow.

What Could've Been Better? 

For all that's good, the price is a cause of concern for most people. It isn't suitable if you've got a tight budget, meaning AgroSciences could lose a section of buyers. The first thing gardeners look at is the price, and considering the range of options, we won't be surprised if you choose a different option.



Pros

  • Easy to use
  • Extensive coverage
  • Promotes healthy grass growth
  • Improves absorption
  • Durable




Cons

  • Slightly expensive



Active Ingredient: Herbicide | Dimensions: 9.5 x 4.5 x 3 inches | Weight: 4.6 pounds | Type: Pre-emergent | Safe for Plants: Yes

Best Pre-Emergent Herbicide Comparison Table

ProductActive IngredientDimensionsWeightTypeSafe for Plants
The Andersons Weed ControlProdiamine 0.48%17.5 x 12.5 x 5 inches18 poundsPre-emergentYes
Tenacity Turf HerbicideMesotrione 40%2 x 2.5 x 4.5 inches0.5 poundsPre-emergent & Post-emergentYes
Prodiamine HerbicideProdiamine 65%4.7 x 6.95 x 10.5 inches5 poundsPre-emergentYes
Compare-N-Save Weed KillerGlyphosate 41%4.25 x 7.5 x 11.88 inches9 poundsNon-selectiveNo
RM43 Vegetation ControlGlyphosate 43%6 x 9 x 14.38 inches25.1 poundsNon-selectiveNo
Scotts Weed & FeedN/A17.5 x 3 x 12 inches14.3 poundsSelectiveYes
Preen Weed PreventerN/A4.75 x 8.5 x 11.5 inches4.93 poundsPre-emergentYes
Snapshot HerbicideIsoxaben, Trifluralin15 x 4 x 26 inches50 poundsPre-emergentYes
Non-Ionic SurfactantSurfactant 80%4 x 1.5 x 6 inches1.04 poundsNon-ionic surfactant, wetterYes
AgroSciences HerbicideHerbicide9.5 x 4.5 x 3 inches4.6 poundsPre-emergentYes

Buying Guide For The Best Pre-Emergent Herbicide

Before we take your leave, it’s important that we discuss a couple of points to help you choose the right unit. A herbicide may seem like a bag of mixture waiting to be added to the soil but there’s a lot more to it than that. Therefore, we’ve listed down the following points, making it easier to pick a unit.

Durability

The herbicide must be durable to handle everyday elements and keep the plants well protected. You might encounter extreme heat, cold or wet conditions and neither should have a negative impact on the mixture. It must withstand various conditions for the best results.

Ease of Use

Furthermore, it must be easy to use because it’s not simply about adding herbicide to the soil. The instructions must clearly mention the amount of mixture you need, and the quantity of water required to dilute it. As a result, first-time users will not find their plants wilting away under excess herbicide usage.

Potency

Finally, adequate strength is essential to prevent weeds from growing in the first place. Also, you should be able to control the potency of the mixture, striking the right balance between too much and too less.

Pre-Emergent Herbicide FAQs

  • How does a pre-emergent herbicide work?

    Pre-emergent herbicides work by creating a chemical barrier in the soil that prevents weed seeds from germinating. When applied properly, the herbicide forms a layer that inhibits the growth of weed seedlings, effectively reducing weed infestation in the treated area.

  • When should I apply a pre-emergent herbicide?

    The timing of pre-emergent herbicide application is crucial for its effectiveness. It should be applied before weed seeds begin to germinate, typically in early spring or fall, depending on the specific weed species and geographic location. Consult the product label or refer to local gardening resources for the recommended application timing in your area.

  • Can I use a pre-emergent herbicide in my flower or vegetable garden?

    Pre-emergent herbicides are generally not recommended for use in flower or vegetable gardens because they can also inhibit the germination of desirable plants. However, there are selective pre-emergent herbicides available that target specific weeds while being safe for certain types of ornamental plants or vegetables. Read the product label carefully and follow the instructions to ensure safe and effective use.

  • Is it safe to use pre-emergent herbicides around pets or children?

    Pre-emergent herbicides, like any chemical product, should be used with caution. Follow the instructions and precautions provided by the manufacturer on the product label. Some pre-emergent herbicides may pose risks to pets or children, particularly if ingested or if they come into contact with the treated area before the product has dried. Take appropriate measures to ensure safety, such as keeping pets and children away from treated areas until the herbicide has dried.

  • Can pre-emergent herbicides harm other plants in my garden?

    Pre-emergent herbicides are designed to target weed seeds and seedlings, but they can also affect the germination and growth of other plants if not used properly. Non-selective pre-emergent herbicides can inhibit the growth of desirable plants as well. Always read and follow the product label instructions carefully, paying attention to any precautions or recommendations for specific plants or areas of application.

  • Farmer spraying vegetables in the garden with herbicides. Man in a black apron.

    Conclusion

    Those were our picks for the best pre-emergent herbicides; hopefully, you've formed a better understanding of the product.

    It's effortless to use; all you need to do is follow the instructions for the best results. Moreover, depending on your requirements, you can change the potency of the mixture while keeping your lawn or garden in excellent condition.

    Before signing off, we've decided to assist you a bit more by narrowing down the top products into different categories. From the above 10 Best Pre-Emergent Herbicide Right Now, the top three expert recommendations are.

    The Andersons Weed Control is an ideal option known for its versatile weed protection. Tenacity Turf Herbicide is a good choice offering complete performance and affordability and Prodiamine Herbicide, is the right choice for its versatility and extensive coverage.

    These herbicides have received positive reviews and are effective in controlling a wide range of weeds, making them top contenders for maintaining a weed-free and healthy garden or lawn.

    We'll be back soon; until then, take care. Bye!

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