Ages 18-24? Explore Prime for Young Adults and see if you are eligible

Fall is the perfect time to give your lawn a little extra attention. After a long growing season, your grass needs nutrients to recover, and weeds like chickweed, henbit, and poa annua love to sneak in during cooler months. Using a best fall fertilizer with weed control helps you tackle two jobs at once: feeding your lawn for winter survival and stopping those pesky weeds before they get started. Whether you have a small suburban yard or a larger property, choosing the right product can make a big difference in how your lawn looks come spring.

In this guide, we look at 10 different best fall fertilizer with weed control options ranging from about $19.58 – $89.88. Most are from trusted brands like Scotts, The Andersons, and they cover different lawn sizes and needs. Some are designed for pre-emergent weed prevention, while others kill existing broadleaf weeds. A few also include extra benefits like insect control or seed-safe formulas. If you are new to fall lawn care, this will help you understand what to look for and which product might match your situation best.

Before we dive into the specific products, it helps to know a few basics. Fall fertilizers typically have a higher potassium and lower nitrogen content to encourage root development rather than leafy growth. The weed control part can be either pre-emergent (preventing weed seeds from germinating) or post-emergent (killing weeds that are already growing). Some products combine both. Also, be aware that certain weed killers can harm young grass seedlings, so if you plan to overseed in the fall, look for a formula that is safe for new grass, like the best slow-release fertilizers or seed-safe weed preventers. For more background on general lawn feeding, check out our fertilizer category page.

1
Best Seller

Scotts Turf Builder WinterGuard Fall Weed & Feed3

Scotts
9.8 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
Scotts Turf Builder WinterGuard Fall Weed & Feed3 is a dual-action fall lawn treatment that kills over 50 common weeds while fertilizing grass for stronger spring growth. Ideal for homeowners preparing their lawn for winter dormancy.
Pros & Cons

Pros

  • Targets over 50 weed types for comprehensive control
  • Fertilizer component strengthens roots for winter hardiness
  • Large coverage area reduces number of bags needed
  • Compatible with most common cool- and warm-season grasses
  • Strong customer rating (4.7 out of 5 stars)

Cons

  • Application window is limited to fall with specific temperature requirements
  • Not suitable for all grass types (check your lawn variety first)
  • Product weight listed as 0.5 lb seems to be a misprint; actual bag is 34.3 lb
Detailed Review

Scotts Turf Builder WinterGuard Fall Weed & Feed3 is a seasonal lawn care product designed for homeowners who want to tackle weeds and feed their grass in one go. It's specifically formulated for fall application, helping your lawn survive winter and come back stronger in spring. If you have a lawn with common broadleaf weeds and want to simplify your fall routine, this is worth considering.

The standout feature here is the dual action: it kills over 50 types of weeds like clover, dandelion, and plantain while simultaneously delivering a fall fertilizer. This saves you from making separate passes. The coverage is impressive too - one 34.3 pound bag handles up to 12,000 square feet. Just be sure to apply it when weeds are actively growing and temperatures are between 60 and 90 degrees F for best results.

In terms of usability, the product is a straightforward granular spreader formula. It works on a wide range of grass types including Bermuda, Fescue, and Ryegrass, but not all varieties - so check your lawn type first. The bag is large and heavy, so be prepared for that. The 0.5 lb weight listed in specs is clearly an error; you're getting a full 34.3 lb bag.

One potential drawback is the narrow application window: it's really a fall-only product, and you need consistent temps in the 60-90 range. If you live in a region where fall temperatures fluctuate wildly, timing could be tricky. Also, since there are no customer reviews yet, long-term performance isn't confirmed by buyers - though the brand's reputation is solid.

Overall, Scotts Turf Builder WinterGuard Fall Weed & Feed3 is a practical choice for anyone looking to combine weed control and fall feeding. Its large coverage and wide weed kill list make it a strong value. Just remember to read the label for grass compatibility and apply it during the right weather window.

2
Editor's Pick

Scotts Turf Builder WinterGuard Fall Weed & Feed3

Scotts
9.7 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
Scotts Turf Builder WinterGuard Fall Weed & Feed3 combines a weed killer that targets over 50 common lawn weeds like clover and dandelion with a fall fertilizer to help your grass come back stronger in spring. Ideal for homeowners looking to clean up their lawn before winter and set it up for a lush, healthy start next year.
Pros & Cons

Pros

  • Broad spectrum weed control that tackles over 50 different weed types.
  • Fertilizer component helps the lawn store nutrients for winter and early spring growth.
  • Compatible with most common warm- and cool-season grasses.
  • Large coverage area reduces the number of bags needed for big lawns.
  • Easy to apply using a standard spreader.

Cons

  • Requires specific weather conditions (60-90°F and moist lawn) for optimal effectiveness.
  • Not suitable for all grass types; check compatibility if you have a less common variety.
  • May need two applications if weed pressure is heavy (check label for retreatment timing).
Detailed Review

Scotts Turf Builder WinterGuard Fall Weed & Feed3 is a two-in-one lawn care product that targets weeds while feeding your grass during the crucial fall season. It's designed for homeowners who want to clean up their lawn before winter and give it a head start for spring. The product kills over 50 common weeds, including clover, dandelion, and plantain, while also providing fertilizer that helps the grass develop stronger roots and store energy for the cold months.

The standout feature is its dual action. Instead of applying a weed killer and then a separate fertilizer, you get both in one bag. The weed control is broad spectrum, so it handles a wide variety of broadleaf weeds. The fertilizer is specifically formulated for fall use, focusing on root development rather than leaf growth. That makes a big difference in how your lawn looks when temperatures rise again.

Application is straightforward: you use a standard spreader on a moist lawn when temperatures are consistently between 60°F and 90°F. The moisture helps the granules stick to weed leaves for better absorption. One 11.43 lb bag covers 4,000 square feet, which is a generous amount for most residential lawns. The product is safe for many popular grass types like Bermudagrass, Fescue, and Zoysiagrass, but you should always check the label if you have a less common variety.

There are a few things to keep in mind. The timing window is somewhat narrow: you need to apply it during active weed growth in fall, but before the first hard frost. If you miss that window, effectiveness drops. Also, if your lawn has heavy weed infestations, you might need a second application according to label instructions. The need for a moist lawn can be tricky if your area is experiencing a dry spell, but you can water lightly before applying.

Overall, Scotts Turf Builder WinterGuard Fall Weed & Feed3 is a solid choice for anyone looking to simplify their fall lawn care routine. It delivers reliable weed control and preps your grass for a healthier, greener spring. The combination of convenience and effectiveness makes it a worthwhile investment for maintaining a weed-free lawn year after year.

3
Limited Time

Scotts Turf Builder WinterGuard Fall Weed & Feed5

Scotts
9.9 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
This fall weed and feed from Scotts kills over 50 listed weeds like clover and dandelion while fertilizing your lawn for a stronger spring. Ideal for homeowners in fall who want one product to control weeds and nourish grass before winter.
Pros & Cons

Pros

  • Controls a broad spectrum of weeds effectively
  • Convenient weed and feed in one application
  • Large coverage area (4,000 sq ft) reduces number of bags needed
  • Compatible with most common grass types
  • From a reputable lawn care brand with proven results

Cons

  • Must be applied within a specific temperature range (60-90°F) for best results
  • Designed only for fall use, not suitable for other seasons
  • Stubborn weeds may require a follow-up treatment or spot spray
Detailed Review

Scotts Turf Builder WinterGuard Fall Weed & Feed5 is a dual-action lawn care product that tackles two crucial fall tasks: killing broadleaf weeds and fertilizing your grass for the months ahead. It's aimed at homeowners who want a simple, effective way to clean up their yard before winter sets in. With coverage for up to 4,000 square feet per bag, it suits average to large lawns without requiring multiple purchases.

The standout feature is its ability to kill over 50 listed weeds, including perennial nuisances like clover, dandelion, and plantain. The weed killer works systemically, targeting the weed while leaving your turf unharmed when used as directed. At the same time, the fertilizer provides key nutrients like nitrogen and potassium to help grass roots grow stronger through fall, setting you up for a thicker, greener lawn come spring. Application is straightforward: you spread the granules on a wet lawn when weeds are actively growing and temps stay between 60 and 90 degrees Fahrenheit.

The product comes in a sturdy 11.28-pound bag with clear instructions and a built-in handle for easy carrying. The granular formula spreads evenly with a standard broadcast or drop spreader, and you can adjust settings based on your grass type. Be aware that you need to water the lawn after application if rain isn't expected within 24 hours, which activates the weed killer and moves fertilizer into the soil.

One honest drawback is the temperature restriction. If you live in an area with unpredictable fall weather, you might have a narrow window to apply it effectively. Also, while it handles many common weeds, a few resilient types (like wild violet or ground ivy) may escape the treatment. For those, spot spraying with a dedicated product might be needed. Still, for most yards, one fall application provides excellent control and noticeable greening.

Overall, Scotts WinterGuard Fall Weed & Feed5 is a reliable, time-saving solution for fall lawn care. It delivers on its promise to kill weeds and feed your grass, with the backing of a trusted brand. If you want a hassle-free path to a healthier lawn next spring, this is a solid choice.

4
Top Rated

Scotts Turf Builder WinterGuard Fall Weed & Feed5

Scotts
9.6 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
Scotts Turf Builder WinterGuard Fall Weed & Feed5 is a dual-action fall lawn treatment that kills over 50 common weeds while fertilizing for a healthier spring lawn. Ideal for homeowners looking to prep their grass for winter and reduce weed pressure next season.
Pros & Cons

Pros

  • Combines weed control and fertilization in one convenient fall application
  • Targets a broad spectrum of common lawn weeds for effective cleanup
  • Large coverage area means fewer bags to buy and carry
  • Formulated specifically for fall to prepare your lawn for winter dormancy and spring revival
  • Compatible with most warm and cool season grasses

Cons

  • Requires careful timing and specific temperature conditions for best results
  • May not kill all weed types, especially persistent perennials like nutsedge or crabgrass
  • Granular application can be messy if not evenly distributed or if applied on windy days
Detailed Review

The Scotts Turf Builder WinterGuard Fall Weed & Feed5 is a seasonal lawn care product designed to tackle two critical tasks at once: killing broadleaf weeds and feeding your grass before winter sets in. It's aimed at homeowners who want to reduce weed populations and give their lawn a head start for spring, all with one application.

What sets this product apart is its ability to control over 50 different weed species, including common nuisances like dandelions, clover, and plantain. The fertilizer component helps grass build strong roots and store energy for winter, leading to a thicker, greener lawn when temperatures rise. Real-world performance depends on proper timing: applying when weeds are actively growing and temperatures stay between 60°F and 90°F yields the best results. The coverage of 12,000 square feet per bag is generous, making it cost-effective for medium to large lawns.

Design-wise, the granular formulation is straightforward to use with a standard spreader. The bag includes clear instructions for application rates and timing. There's no complicated mixing or spraying involved, which appeals to DIY lawn care enthusiasts. However, the need for a wet lawn at application can be a minor inconvenience if rain isn't in the forecast.

While this product is highly effective against many broadleaf weeds, it won't kill grassy weeds like crabgrass or nutsedge. Also, it's strictly a fall treatment; using it in other seasons may not deliver the same benefits. Some users might find the temperature window limiting, especially in regions with unpredictable fall weather.

Overall, the Scotts Turf Builder WinterGuard Fall Weed & Feed5 is a reliable, all-in-one solution for fall lawn maintenance. It simplifies weed control and fertilization into one step, saving time and effort. If you have a typical lawn with common broadleaf weeds and want to set it up for success next spring, this product is a solid choice.

5

Scotts Turf Builder 3-Bag Lawn Care Bundle

Scotts
9.9 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
This Scotts Turf Builder bundle gives you a full year of lawn care for small northern yards up to 4,000 sq. ft. It combines weed control, insect protection, and seasonal feeding in three easy-to-use bags. Ideal for homeowners who want a simple, effective system without guesswork.
Pros & Cons

Pros

  • All-in-one seasonal system saves time and effort.
  • WeedGrip technology effectively targets dandelions and clover.
  • Insect control in SummerGuard protects against common lawn bugs.
  • WinterGuard promotes strong root growth for a better lawn in spring.
  • Formulated for small northern lawns, so no wasted product.

Cons

  • Products ship separately, so they may arrive at different times.
  • Only covers up to 4,000 sq. ft., not suitable for larger lawns.
  • No reviews yet, so real-world performance is unverified.
Detailed Review

If you have a small northern lawn and want a straightforward way to keep it healthy all year, this Scotts Turf Builder bundle is a solid pick. It includes three bags: Weed & Feed5 for late spring, SummerGuard Lawn Food with Insect Control for summer, and WinterGuard Fall Lawn Food for autumn. Together, they cover weed control, insect protection, and seasonal feeding for yards up to 4,000 square feet.

The standout here is the WeedGrip technology in Weed & Feed5. It grabs onto dandelions and clover, killing them while feeding your grass to fill in bare spots. That means fewer weeds over time, not just a one-time fix. SummerGuard doubles as a bug killer and fertilizer, so you protect against ants, fleas, and other pests while keeping your lawn green through hot months. WinterGuard focuses on root development, helping your grass bounce back from summer stress and come in thicker next spring.

Design is simple: each bag is clearly labeled for its season, and the granules spread easily with a standard spreader. No mixing, no measuring beyond setting your spreader. One thing to note: the products ship separately and might arrive at different times. That's not a big deal if you plan ahead, but it's something to keep in mind if you need everything at once.

On the downside, this bundle is only for small lawns. If your yard is larger than 4,000 square feet, you'll need multiple bundles or a different product. Also, there are no customer reviews yet, so we're relying on Scotts reputation and the product specs. But Scotts is a trusted brand, and the seasonal approach is proven.

Overall, this bundle takes the guesswork out of lawn care. It's convenient, effective, and tailored to northern climates. If you want a lush, weed-free lawn without juggling multiple products, this is a smart investment.

6
Prime

Scotts Turf Builder Triple Action Built

9.6 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
Designed specifically for new grass, this weed preventer plus fertilizer stops dandelions and crabgrass for up to 6 weeks while jump-starting seed development. Ideal for DIY homeowners establishing Kentucky Bluegrass, Tall Fescue, or other cool-season lawns.
Pros & Cons

Pros

  • Combines weed prevention and fertilization in one product, saving time and money
  • Does not harm new grass seedlings, unlike many other pre-emergent weed killers
  • Proven results from thousands of positive customer reviews, with many noting faster, thicker grass growth
  • Easy to spread evenly with any Scotts spreader, and the fine granules broadcast well

Cons

  • Will not kill existing weeds; it only prevents new ones from sprouting
  • Not suitable for warm-season grasses like Bermuda, St. Augustine, or Zoysia
  • Over-application can turn grass white due to mesotrione content; careful spreading is necessary on existing turf
Detailed Review

The Scotts Turf Builder Triple Action Built For Seeding is a smart choice for anyone starting a new lawn from seed or overseeding. It combines a pre-emergent weed preventer, a starter fertilizer, and a growth booster in one bag. This product is specifically formulated to work with grass seedlings, so you don't have to worry about stunting new growth while stopping weeds. It's designed for cool-season grasses like Kentucky Bluegrass, Tall Fescue, and Perennial Ryegrass, and should not be used on Bermuda or other warm-season types.

Customer reviews highlight real-world performance: many users see visible sprouting within a week and dense, weed-free growth in a month. The active ingredient mesotrione prevents weeds for up to six weeks while feeding the lawn. Customers also appreciate the convenience of a single application instead of separate products. However, a few caution that over-application on existing grass can cause temporary whitening. Following the spreader settings exactly is key.

Build quality is typical for Scotts – a sturdy bag with clear instructions. The fine granules allow even distribution, and the 4.3 lb size covers 1,000 sq ft. One downside is that it won't kill existing weeds, so you may need a post-emergent product later. Also, it requires consistent watering after application to activate the weed barrier and keep seeds moist.

Overall, for DIY homeowners establishing a new lawn from seed, this product delivers on its promises. It simplifies the process and yields impressive results when used correctly. Just be sure to choose the right grass type and apply at the recommended rate.

7

Scotts Halts Crabgrass & Grassy Weed Preventer

Scotts
9.9 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
This pre-emergent weed preventer stops crabgrass and grassy weeds for a full season with a single spring application. It also works in fall to prevent winter weeds like poa annua and chickweed, making it a great choice for homeowners seeking an easy, effective lawn care step.
Pros & Cons

Pros

  • Single application provides season-long control
  • Effective in both spring and fall for different weed types
  • Weather-resistant after application
  • Also targets moss in fall applications
  • Treats a generous 5,000 sq ft area

Cons

  • Must be applied before weeds germinate (pre-emergent only)
  • Not effective on existing weeds or crabgrass
  • Requires careful timing for best results
Detailed Review

Scotts Halts Crabgrass & Grassy Weed Preventer is a pre-emergent herbicide designed to stop crabgrass and other grassy weeds before they sprout. It's ideal for homeowners who want a straightforward, season-long solution without constant reapplication. The product comes in a 10.06-pound bag that covers up to 5,000 square feet, making it suitable for medium to large lawns.

The standout feature is its dual-season versatility. Apply it in early spring to prevent crabgrass and other summer weeds all season. Then, a fall application tackles winter weeds like poa annua, henbit, and chickweed, while also helping to prevent moss. This means one bag can serve two purposes depending on the time of year. The formula is designed to resist rain, snow, and freezing temperatures after application, so you don't have to worry about weather ruining your effort.

In terms of design, it's a granular product that works with any standard lawn spreader. There's no mixing or spraying, just even distribution across your lawn. The granules are consistent and spread easily, though you'll want to water lightly after application to activate the barrier. Build quality is typical for Scotts - reliable and well-tested in real-world conditions.

A key drawback is that this is a pre-emergent only. If you already see crabgrass or other weeds, this won't kill them. You'll need a post-emergent product for that. Also, timing is critical: apply too early and the protection may fade before peak germination; apply too late and weeds may already be growing. Following the label instructions for your region is essential.

Overall, Scotts Halts delivers dependable, season-long control when used correctly. It's a solid choice for preventively managing crabgrass and grassy weeds, and the fall benefit for winter weeds adds extra value. For the price, it's a cost-effective way to keep your lawn looking its best without constant maintenance.

8

The Andersons Professional Surge Weed and Feed

The Andersons
9.6 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
The Andersons Professional Surge Weed and Feed is a potent 16-0-9 fertilizer and post-emergent herbicide that kills over 250 common weeds while feeding your lawn. It's best for homeowners wanting a thick, green lawn without dandelions, clover, or chickweed, but avoid it if you have Floratam St. Augustine or certain other grasses.
Pros & Cons

Pros

  • Eliminates a wide range of common weeds without multiple products
  • Fertilizer component helps lawn recover and thicken after weed removal
  • Effective in cooler weather, extending your treatment window
  • Large coverage area reduces the number of bags needed per season
  • Professional-grade quality trusted by lawn care experts

Cons

  • Not safe for Floratam St. Augustine grass, dichondra, carpetgrass, creeping bentgrass, or lawns with desirable clovers
  • Cannot be shipped to New Hampshire or Washington state
  • No user reviews yet, so real-world performance is unconfirmed
Detailed Review

The Andersons Professional Surge Weed and Feed is a heavy-duty solution for homeowners who want to tackle stubborn lawn weeds while giving their grass a nutritional boost. This 40 lb bag combines a 16-0-9 fertilizer with a post-emergent herbicide that targets over 250 common weeds like dandelions, clover, chickweed, and plantain. It's designed for people who are serious about lawn care and want a product that pulls double duty: killing existing weeds and feeding the turf to help it recover and thicken.

What sets this weed and feed apart is its professional-grade formulation and particle size. The fine particles mean more coverage per square inch, which translates to better weed control and more even fertilization. The product also works well in cooler spring and fall temperatures, a time when many other weed killers lose effectiveness. This makes it a versatile choice for the entire growing season, not just the hot summer months. You can apply it when weeds are actively growing and expect consistent results.

In terms of build quality, The Andersons is a well-known name in professional lawn care, and this product reflects that. The 40 lb bag is easy to handle and spread with a standard broadcast or drop spreader. The fertilizer component is designed to release nutrients steadily, promoting deep root growth and a lush, green lawn without the risk of burning. However, this is not a one-size-fits-all product. It's not safe for Floratam St. Augustine grass, dichondra, carpetgrass, creeping bentgrass, or any lawn that contains desirable clovers. Also, it can't be shipped to New Hampshire or Washington state due to local regulations.

One potential drawback is the lack of user reviews at this time. While the product comes from a reputable brand and has strong specifications, actual customer feedback is always helpful for gauging real-world performance. Additionally, the price point is higher than some consumer-grade weed and feeds, but the professional-grade quality and larger coverage area may justify the cost for serious lawn enthusiasts.

Overall, The Andersons Professional Surge Weed and Feed is a solid choice if you need a powerful, dual-action product that works across multiple seasons. It's ideal for those with common turf grasses who want to eliminate a wide variety of weeds without using separate products. Just be sure to check your grass type and local availability before buying. If it fits your lawn's needs, this bag can help you achieve a healthier, weed-free yard with less effort.

9

Scotts Weed Control for Lawns 14 lbs

Scotts
9.6 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
Scotts Weed Control for Lawns is a granular weed killer that targets over 200 broadleaf weeds, including dandelion and clover, and works on contact. It's ideal for homeowners wanting an easy-to-apply, effective treatment for a healthy lawn without harming grass types like Bermuda or Kentucky bluegrass.
Pros & Cons

Pros

  • Controls a very wide range of common lawn weeds
  • Works on contact, providing quick visible results
  • Large coverage area per bag offers good value
  • Simple to apply with a spreader
  • From a reputable brand known for lawn care

Cons

  • Not safe for all grass types like St. Augustine (Floratam), Dichondra, or Carpetgrass
  • Granular form may require watering in for best activation, depending on conditions
  • Results can vary based on weather and weed growth stage
Detailed Review

Scotts Weed Control for Lawns is a granular weed killer designed to tackle over 200 different broadleaf weeds, making it a versatile option for homeowners who want a lush, weed-free lawn. It's perfect for those who have a mix of common invaders like dandelion, clover, dollarweed, and even poison ivy. If you have Bermuda, Kentucky bluegrass, or other common grass types, this product is a solid choice. However, it's important to avoid using it on sensitive lawns like St. Augustine (Floratam), Dichondra, or Carpetgrass, as it can damage them.

The standout feature is its ability to start working on contact, which means you'll see results quickly as it kills weeds down to the root. The granular format makes application straightforward with a standard spreader, and one bag covers 5,000 square feet. For best results, apply in spring or early fall when weeds are actively growing. It's a practical, no-fuss solution that fits into a regular lawn care routine.

Build quality is typical of a granular product: the bag is sturdy and resealable if you need to store it. The yellow color is just a marker to help you see where you've applied it, but it fades quickly. One potential drawback is that it's not suitable for all grass types, so you need to check your lawn's variety before use. Also, while it works on contact, some weeds may need a second application for complete control, especially if they're mature.

Overall, Scotts Weed Control for Lawns is a reliable, effective option for most lawns. It's easy to use, covers a large area, and tackles a huge range of weeds. Just be sure to read the label to ensure it's safe for your grass type. For a straightforward weed killer that delivers on its promises, this is a great buy.

10

Scotts WeedEx Prevent with Halts

Scotts
9.8 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
Scotts WeedEx Prevent with Halts is a pre-emergent weed killer that stops crabgrass and other listed weeds from sprouting. It's ideal for homeowners who want to prevent weeds before they appear, with one bag covering 5,000 sq ft and working in rain, snow, or freezing temps.
Pros & Cons

Pros

  • Stops weeds before they emerge, reducing the need for post-emergent treatments
  • Large coverage area (5,000 sq ft) per bag offers good value
  • Works reliably even after rain or snow
  • Controls multiple common lawn weeds, not just crabgrass
  • Simple to apply with a spreader

Cons

  • Only prevents germination - does not kill existing weeds
  • Not suitable for Dichondra or Bentgrass lawns
  • Requires precise timing (early spring or fall) for best results
Detailed Review

Scotts WeedEx Prevent with Halts is a pre-emergent herbicide designed to stop crabgrass and other listed weeds before they get a chance to sprout. It's a granular product you spread over your lawn using a standard spreader, making it a straightforward addition to your spring or fall lawn care routine. This product is best for homeowners who want to take a proactive approach to weed control, especially if crabgrass has been a recurring problem.

The standout feature is its ability to prevent a wide range of weeds, including foxtail, spurge, barnyardgrass, and more, all season long when applied in early spring. For fall applications, it targets Poa annua, henbit, corn speedwell, and chickweed. The formula is rainproof after application, so you don't have to worry about a sudden shower washing it away. It also works through snow and freezing temperatures, giving you flexibility in timing.

The bag itself is straightforward - just a 10.06 lb plastic bag with clear instructions. The granules are fine and spread evenly with a rotary or drop spreader. Coverage is generous: one bag treats up to 5,000 sq ft. The product is safe for all common grass types, including Bermuda, fescue, ryegrass, and zoysia, but you should avoid using it on Dichondra or Bentgrass lawns.

One honest drawback is that this is strictly a preventative product. If you already have weeds growing, WeedEx won't kill them - you'll need a post-emergent herbicide for that. Also, timing is critical. Apply too early or too late, and you might not get full-season control. The product's rating of 4.6 out of 5 suggests most users are satisfied, though there are no written reviews yet to provide specific feedback.

Overall, Scotts WeedEx Prevent with Halts is a reliable, easy-to-use pre-emergent that delivers on its promises. It's a solid choice for anyone looking to get ahead of lawn weeds without dealing with messy sprays or complicated mixing. For best results, follow the label instructions carefully and pair it with a good lawn care schedule.

Frequently Asked Questions About Best Fall Fertilizer With Weed Control

1. When should I apply fall fertilizer with weed control?
Most products recommend applying in late summer to early fall, when temperatures are still warm but weeds are actively germinating. For pre-emergent formulas, apply before the first frost. For post-emergent, wait until weeds are visible but before they go dormant. Always follow the label instructions for your specific product.

2. Can I use a fall weed and feed if I plan to overseed?
Not all weed and feed products are safe for new grass seed. Look for a product labeled as seed-safe or designed for new lawns. The best 12-12-12 lawn fertilizer may be a better option if you are seeding, but for weed control, a separate pre-emergent may be needed once the new grass is established.

3. What is the difference between pre-emergent and post-emergent weed control?
Pre-emergent herbicides prevent weed seeds from sprouting and must be applied before weeds appear. Post-emergent herbicides kill weeds that are already growing. Some fall fertilizers with weed control combine both, but many focus on pre-emergent prevention for winter weeds like poa annua and chickweed. Check the product description to see which type you are getting.

4. Are these products safe for pets and children?
After applying granular weed and feed, it is typically recommended to keep pets and children off the lawn until the granules have been watered in and the grass is dry. This usually takes a few hours. Always read the safety instructions on the bag. Some products have specific waiting periods. For more on safe lawn care, visit our garden soil guide for tips on soil health.

5. How much product do I need for my lawn?
Coverage varies by product. Bags typically cover between 1,000 to 16,000 square feet. Measure your lawn area before buying. For example, a 5,000 sq. ft. bag might be enough for a medium-sized yard, while a 12,000 sq. ft. bag suits larger properties. If you have a small lawn, smaller bags like 4.3 lb. options work well and reduce waste.