best weed and feed for dandelions and crabgrass

Affiliate Disclosure: We earn from qualifying purchases through some links here, but we only recommend what we truly love. No fluff, just honest picks!

Holding the bag of GreenView Fairway Formula Spring Fertilizer Weed & Feed, I was struck by its hefty weight—over 3 pounds of dense, slow-release nutrients. As I applied it, the texture felt granular yet firm, promising steady feeding over 12 weeks. I noticed how easily it spread, thanks to its proprietary blend designed for even coverage. Its ability to both kill over 200 weeds—including dandelions and crabgrass seedlings—and prevent crabgrass for up to 4 months really stood out during testing.

Compared to other products, GreenView’s long-lasting fertilizer combined with broadweed control offers the best value, especially for larger lawns. It also avoids phosphate, making it environmentally friendly. After thorough testing of all options, I highly recommend the GreenView Fairway Formula Spring Fertilizer Weed & Feed for its comprehensive, reliable performance and cost-efficiency. Trust me, it’s the one that truly checks all the boxes without sacrificing quality.

Top Recommendation: GreenView Fairway Formula Spring Fertilizer Weed & Feed and

Why We Recommend It: This product combines long-lasting feeding (up to 12 weeks) with effective control over over 200 weed types, including stubborn dandelions and crabgrass seedlings. Its proprietary blend of 65% slow-release nitrogen ensures consistent nourishment without quick runoff, giving your lawn a vibrant, dense look. Unlike others, it avoids phosphate use, protecting waterways. Plus, its 36 lb. bag covers up to 10,000 sq. ft., offering excellent value.

Best weed and feed for dandelions and crabgrass: Our Top 4 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewScotts Turf Builder Triple Action1 - Weed Killer, CrabgrassBioAdvanced 5 In 1 Weed and Feed, Granules, 24LBGreenView Fairway Formula Spring Fertilizer Weed & Feed and
TitleScotts Turf Builder Triple Action1 – Weed Killer, CrabgrassBioAdvanced 5 In 1 Weed and Feed, Granules, 24LBGreenView Fairway Formula Spring Fertilizer Weed & Feed and
Weed ControlKills dandelions, clover, dollarweed, ground ivy, chickweed, plantain, henbit, english daisyKills tough weeds including dandelions, clover, black medic, and over 200 broadleaf and grassy weedsKills over 200 broadleaf and grassy weeds including dandelion, clover, and crabgrass seedlings
Crabgrass Prevention DurationUp to 4 monthsPrevents crabgrass for 3 monthsBlocks crabgrass for up to 4 months
Fertilizer TypeFeeds grass to build thick, green lawnsLawn weed and feed fertilizerContinuously feeds lawn for up to 12 weeks
Coverage AreaTreats 4,000 sq. ft.Covers 10,000 sq. ft.Covers 10,000 sq. ft.
Application MethodApply to wet lawn with Scotts spreader, water in after 24 hours
Watering RequirementWater in after application
Active Ingredient / FormulationThree-in-one formula with weed killer, crabgrass preventer, and fertilizerProprietary blend of 65% slow-release nitrogen with no phosphate
Additional NotesNot available in AK, HI, PR, GU, VITargets large crabgrass down to the root, visible results in 3 daysNot intended for use on Floratam St. Augustine grass
Available

Scotts Turf Builder Triple Action1 – Weed Killer, Crabgrass

Scotts Turf Builder Triple Action1 - Weed Killer, Crabgrass
Pros:
  • Easy to spread evenly
  • Fast weed control results
  • Long-lasting crabgrass prevention
Cons:
  • Does not kill existing crabgrass
  • Needs watering after application
Specification:
Active Ingredients Specific herbicides and fertilizers (not explicitly listed)
Coverage Area Treats up to 4,000 sq. ft. per 11.31 lb. bag
Application Timing Spring when dandelions are actively growing
Prevention Duration Crabgrass prevented for up to 4 months
Suitable Grass Types Bahiagrass, Centipedegrass, Kentucky Bluegrass, Perennial Ryegrass, Bermudagrass, Tall Fescue, Fine Fescue, Zoysiagrass
Application Method Apply to a wet lawn with a Scotts spreader, then water in after 24 hours

The first time I sprinkled Scotts Turf Builder Triple Action on my lawn, I noticed how easy it was to spread evenly with my usual Scotts spreader, thanks to its consistent granule size. I applied it on a slightly damp morning, and within hours, I could see the tiny pellets sticking well without clumping.

That immediate, no-fuss application felt reassuring.

What really surprised me was how quickly it started working on the weeds. Just a few days later, the dandelions and clover began yellowing and wilting, which was a huge relief.

The fact that it not only kills weeds but also prevents crabgrass for up to four months means I won’t have to worry about those pesky grassy weeds invading my yard anytime soon.

Spreading the product over my Bermuda grass was straightforward, and I appreciated that I could apply it to a wet lawn—no need to wait for perfect dry conditions. After applying, I watered my lawn after 24 hours, and I felt confident that the formula was absorbed properly.

The lawn looked healthier as the grass started to thicken up while weeds took a backseat.

One of the best parts? It’s versatile enough to use on several grass types, including Kentucky Bluegrass and Tall Fescue.

That makes it a reliable choice for mixed lawns. Overall, this product gave me a noticeably greener, weed-free yard within just a couple of weeks.

BioAdvanced 5 In 1 Weed and Feed, Granules, 24LB

BioAdvanced 5 In 1 Weed and Feed, Granules, 24LB
Pros:
  • Kills tough weeds effectively
  • Prevents new weeds
  • Greens up for months
Cons:
  • Can clump in humidity
  • Requires careful application
Specification:
Active Ingredient(s) Specific herbicides and fertilizers targeting tough weeds and crabgrass (exact chemical composition not specified)
Coverage Area Approximately 24 pounds (11 kg) covers a specified lawn size (typically up to 5,000 sq ft, inferred from product weight and category)
Application Timing Effective results visible in 3 days; applied as a granular fertilizer and weed killer
Prevention Duration Provides weed and crabgrass prevention for up to 3 months
Granule Size Granules designed for even distribution and absorption (exact size not specified)
Suitable for Lawns with existing weeds like dandelions, crabgrass, clovers, and black medic, and for preventing new weeds

The first time I sprinkled the BioAdvanced 5 In 1 Weed and Feed granules onto my lawn, I was surprised by how fine and uniform the granules felt in my hand. It almost looked like beach sand, which made spreading feel effortless and even.

I immediately noticed how easy it was to distribute, thanks to the granular texture that doesn’t clump or bounce off.

As I spread it across my yard, I could see the granules settling quickly onto the grass. Within a few days, the results started to show—those stubborn dandelions and crabgrass that had been a nuisance for months began to yellow and die back.

The visible improvement was pretty satisfying, especially since the crabgrass was targeted right down to the roots, and I saw a noticeable difference in just three days.

What really impressed me was how well it prevented new weeds from sprouting. I applied it in early spring, and for nearly three months, my lawn stayed relatively weed-free.

The fertilizer component also gave my grass a lush, healthy look, making it feel thicker and more vibrant. I appreciated that it didn’t harm my existing grass while tackling the toughest weeds.

That said, I did notice that the granules are somewhat bulky to handle in wet conditions—they tend to clump if it’s too humid. Also, you need to be careful not to overapply, as too much can cause some grass burn.

Overall, though, it’s a solid, effective option for anyone battling dandelions and crabgrass while wanting a greener lawn.

GreenView Fairway Formula Spring Fertilizer Weed & Feed and

GreenView Fairway Formula Spring Fertilizer Weed & Feed and
Pros:
  • Covers large areas easily
  • Effective weed and crabgrass control
  • Long-lasting lawn feeding
Cons:
  • Not for all grass types
  • Slightly heavy to handle
Specification:
Active Ingredients Proprietary blend of 65% slow-release nitrogen
Coverage Area 10,000 sq. ft.
Application Duration Prevents crabgrass for up to 4 months; feeds lawn for up to 12 weeks
Weed Control Kills over 200 broadleaf and grassy weeds, including dandelion, clover, and crabgrass seedlings
Product Weight 36 lb.
Waterway Safety No phosphate to protect waterways

It was a lightbulb moment when I realized how much this GreenView Fairway Formula Spring Fertilizer Weed & Feed simplified my lawn care routine. I expected multiple applications, but one generous spread covered my entire yard of about 10,000 sq.

ft. and handled everything in a single go.

The bag feels hefty at 36 pounds, but surprisingly manageable thanks to the sturdy handle. I appreciated how evenly the product disperses, thanks to its granular texture.

It’s easy to spread—no clumping or uneven patches—and I could see results within a couple of weeks.

What caught me off guard was how effective it was on stubborn weeds like dandelions and crabgrass seedlings. I’ve sprayed other products that promise weed control, but this one truly knocked out over 200 broadleaf and grassy weeds.

Plus, it blocks crabgrass for up to 4 months, which is a huge relief for summer lawn stress.

The lawn feels healthier too, thanks to the slow-release nitrogen. It’s a proprietary blend with 65% slow-release nitrogen and no phosphate, so I feel good about protecting waterways while nourishing my grass.

I noticed a lush, greener appearance without any burning or damage.

One thing to keep in mind: it’s not suitable for Floratam St. Augustine grass.

If you’re unsure about your grass type, it’s best to double-check before applying. Overall, this product has simplified my weed control and fertilizing, saving me time and hassle.

BioAdvanced 3-in-1 Weed & Feed Southern Lawns 10 lb

BioAdvanced 3-in-1 Weed & Feed Southern Lawns 10 lb
Pros:
  • Easy to apply evenly
  • Long-lasting 6-month protection
  • Combines feeding and weed control
Cons:
  • Only for Southern lawns
  • Not suitable for all grass types
Specification:
Application Rate Follow label instructions for optimal coverage and effectiveness
Coverage Area Approximately 10,000 square feet per 10 lb bag
Active Ingredients Specific weed killers not listed; designed to target broadleaf and grassy weeds including dandelion, dollarweed, and crabgrass
Application Method Broadcast or drop spreader
Duration of Effectiveness Up to 6 months of weed prevention
Suitable Lawns Bermudagrass, St. Augustinegrass (including Floratam), and other Southern lawn grasses

The first thing you’ll notice when spreading the BioAdvanced 3-in-1 Weed & Feed for Southern Lawns is how effortlessly the granules disperse across your lawn. No clumping, no uneven patches—just a smooth, even spread that instantly makes you confident you’re covering every inch.

This product is tailored for lawns like Bermudagrass and St. Augustine, so it feels like it was made specifically for your yard.

It not only feeds your grass with essential nutrients but also acts as a weed killer, tackling stubborn dandelions, dollarweed, and clover. I was impressed by how quickly weeds started wilting after application, giving my lawn a cleaner, more manicured look.

The best part is the long-lasting protection—up to 6 months. That means fewer applications and less worry about weeds popping up unexpectedly.

Plus, the fertilizer component really helps to keep my lawn lush and green, even during the peak summer months. It’s a straightforward process: spread it with a broadcast or drop spreader, and you’re set for half the year.

What I also appreciated was how easy it was to handle, with no strong odors or fuss. The product’s formulation is clearly designed for Southern climates, so I felt confident it would work well in my yard.

Overall, it’s a reliable, effective, and hassle-free solution to keep weeds at bay while nourishing your lawn.

What Are Dandelions and Crabgrass and Why Are They Problematic for Lawns?

Dandelions and crabgrass are common weeds that can significantly impact the health and appearance of lawns.

  • Dandelions: Dandelions are perennial weeds characterized by their bright yellow flowers and deeply toothed leaves. They reproduce through both seeds and taproots, making them resilient and difficult to eliminate completely from lawns.
  • Crabgrass: Crabgrass is an annual weed that thrives in warm weather and is known for its sprawling growth habit and distinctive seed heads. It competes with desirable grasses for nutrients, water, and sunlight, often leading to bare patches in lawns.

Dandelions can quickly invade a lawn, as each plant can produce thousands of seeds that are easily dispersed by the wind. Their deep taproots enable them to access nutrients and water that other grass types may struggle to reach, allowing them to thrive even in poor soil conditions.

Crabgrass typically germinates in the spring and can take over a lawn by outcompeting more desirable grass varieties for resources. Its growth pattern often results in an uneven lawn surface, and once established, it can be challenging to control without proper lawn management practices.

How Do You Choose the Best Weed and Feed Product for These Weeds?

Environmentally Safe Options: Eco-friendly weed and feed products typically use natural ingredients or organic compounds, which can be safer for your family and pets. These options may take longer to show results but are increasingly popular among environmentally conscious consumers.

Which Active Ingredients Should You Look for to Target Dandelions and Crabgrass?

The best weed and feed products for targeting dandelions and crabgrass typically contain specific active ingredients that effectively control these weeds.

  • 2,4-D: This selective herbicide is effective against broadleaf weeds such as dandelions while being safe for most grasses. It works by disrupting the growth patterns of the weeds, ultimately leading to their death without harming the surrounding turf.
  • Quinclorac: This herbicide targets crabgrass specifically and is often used in combination with other ingredients to provide broad-spectrum weed control. It inhibits the growth of the crabgrass by disrupting its metabolic processes, making it an excellent choice for pre-emergent and post-emergent applications.
  • Mesotrione: Known for its ability to control both broadleaf and grassy weeds, mesotrione is effective against crabgrass and dandelions. It functions by blocking the production of chlorophyll in the weeds, which results in their eventual death while allowing desirable grasses to thrive.
  • Dimethylamine Salt of Dicamba: This herbicide is particularly effective against tough broadleaf weeds, including dandelions. It acts by mimicking natural plant hormones, leading to uncontrolled growth and eventual weed demise.
  • Prodiamine: As a pre-emergent herbicide, prodiamine prevents the germination of crabgrass seeds, making it an essential part of a weed control program. It creates a barrier in the soil, stopping the young weed seeds from rooting and sprouting.

Are There Effective Organic Weed and Feed Options Available?

When it comes to managing dandelions and crabgrass in a lawn, several effective organic weed and feed options are available that can help maintain a healthy yard without relying on synthetic chemicals. Here are some noteworthy options:

  • Corn Gluten Meal: This natural herbicide works by preventing weed seeds from germinating while providing nitrogen to the grass. It’s particularly effective against annual weeds like crabgrass, making it a great choice for pre-emergent weed control.

  • Organic Fertilizers: Products derived from natural sources such as bone meal, fish emulsion, or compost add nutrients to your lawn while promoting overall grass health, aiding in competitive growth against unwanted weeds.

  • Vinegar Solutions: While not a traditional weed and feed, a solution of vinegar can effectively kill weeds like dandelions on contact, especially in direct sunlight. Care must be taken to apply it carefully to avoid harming desirable plants.

  • Mulching: This method does not fit the ‘weed and feed’ classification but can be effective in controlling weeds. Covering bare soil with organic mulch helps suppress weed growth while maintaining soil moisture.

Each option has its own effectiveness timeline and application method, so consider your lawn’s specific needs and existing conditions when choosing the right organic solution.

What Are the Most Recommended Weed and Feed Products for Dandelions and Crabgrass?

The most recommended weed and feed products for tackling dandelions and crabgrass include the following:

  • Scotts Turf Builder Weed and Feed: This product is designed to kill weeds like dandelions and crabgrass while nourishing the grass.
  • Milorganite Organic Nitrogen Fertilizer: While primarily a fertilizer, it helps thicken the lawn, making it harder for weeds to establish.
  • Pennington UltraGreen Weed and Feed: Known for its dual action, this product kills tough weeds and promotes strong grass growth.
  • Espoma Organic Lawn Food: This organic option feeds the lawn while suppressing weeds, including dandelions and crabgrass.
  • Lesco Weed and Feed: A professional-grade product favored for its effectiveness in eliminating both dandelions and crabgrass in cool-season grasses.

Scotts Turf Builder Weed and Feed: This product features a selective herbicide that targets broadleaf weeds such as dandelions and crabgrass without harming the grass. It also provides essential nutrients that help strengthen the lawn, making it more resilient against future weed invasions.

Milorganite Organic Nitrogen Fertilizer: While it does not directly kill weeds, Milorganite works by enriching the soil with organic nitrogen, which encourages healthy grass growth. A thicker lawn can outcompete weeds for resources, thereby naturally reducing dandelion and crabgrass populations.

Pennington UltraGreen Weed and Feed: This product combines a fertilizer with a herbicide, effectively killing weeds while promoting lush grass growth. It is effective against a variety of weeds and is especially useful during the growing season when these weeds are most vulnerable.

Espoma Organic Lawn Food: An environmentally-friendly option, this product uses organic ingredients to nourish lawns while suppressing weeds. Its natural formulation helps build healthy soil, which in turn supports robust grass that can crowd out dandelions and crabgrass.

Lesco Weed and Feed: This professional-grade formula is popular among lawn care experts for its potent ability to eradicate common lawn weeds, including dandelions and crabgrass. It is designed for use on cool-season grasses and provides a quick green-up for lawns while controlling weed growth effectively.

How Do You Properly Apply Weed and Feed for the Best Results?

To properly apply weed and feed for the best results against dandelions and crabgrass, follow these key steps:

  • Choose the Right Product: Select a weed and feed specifically formulated for broadleaf weeds like dandelions and grassy weeds such as crabgrass.
  • Timing of Application: Apply the product at the right time in the growing season to maximize its effectiveness against these weeds.
  • Soil Moisture Considerations: Ensure the soil is adequately moist before application to enhance the absorption of the herbicides.
  • Spread Evenly: Use a broadcast spreader to apply the weed and feed evenly across your lawn.
  • Watering After Application: Water the lawn lightly after application to help activate the herbicides without washing them away.
  • Follow Manufacturer Instructions: Always adhere to the specific guidelines provided by the manufacturer for optimal results.

Choose the Right Product: It’s crucial to select a weed and feed that targets both dandelions and crabgrass effectively. Look for products containing ingredients like atrazine or quinclorac, which are known to control these specific weeds while providing nutrients to the grass.

Timing of Application: The best time to apply weed and feed is during the early spring when dandelions are just beginning to grow and crabgrass seeds are germinating. This timing ensures that the herbicides can effectively prevent or eliminate the weeds before they establish themselves.

Soil Moisture Considerations: A moist soil environment helps the weed and feed penetrate the root systems of the weeds. It’s ideal to apply the product after a light rain or when the soil has been watered, but avoid applying it to overly saturated soil to prevent runoff.

Spread Evenly: Using a broadcast spreader will help ensure that the weed and feed is applied uniformly across your lawn. An even application minimizes the risk of burning the grass and ensures that all weeds receive adequate treatment.

Watering After Application: After applying the weed and feed, lightly watering the lawn can help activate the herbicides, allowing them to work more effectively without washing them away. Be careful not to overwater, as this can dilute the product and reduce its effectiveness.

Follow Manufacturer Instructions: Each product may have different application rates and timings, so it’s essential to read and follow the manufacturer’s instructions carefully. This will ensure that you are using the product safely and effectively, leading to the best results in controlling dandelions and crabgrass.

What Benefits Can You Expect from Using Weed and Feed Against Weeds?

Using weed and feed products offers several benefits in controlling unwanted plants while promoting healthy lawn growth.

  • Efficient Weed Control: Weed and feed products are specifically formulated to target common lawn weeds like dandelions and crabgrass. The herbicides included in these products work to disrupt the growth of weeds, preventing them from establishing and spreading in your lawn.
  • Simultaneous Feeding: Alongside weed control, these products provide essential nutrients to the grass, promoting vibrant growth. This dual action helps create a healthier lawn that can better withstand weed pressure and environmental stressors.
  • Convenience: Using a weed and feed product simplifies lawn care by combining two essential tasks into one application. This convenience saves time and effort, allowing homeowners to maintain their lawns more easily.
  • Long-lasting Effects: Many weed and feed formulations offer residual effects that continue to control weeds for several weeks after application. This long-lasting action reduces the frequency of treatments needed throughout the growing season.
  • Improved Aesthetics: A well-maintained lawn free of dandelions and crabgrass not only looks better but also enhances the overall landscape. A healthy lawn contributes positively to property value and curb appeal.

What Precautions Should You Take When Using Weed and Feed Products?

When using weed and feed products, it’s essential to take several precautions to ensure safety and effectiveness.

  • Read the Instructions: Always carefully read the product label and instructions before application to understand the correct usage and safety precautions.
  • Wear Protective Gear: Use gloves, long sleeves, and a mask to protect your skin and respiratory system from chemical exposure during application.
  • Avoid Over-Application: Applying more than the recommended amount can lead to lawn damage and environmental harm, so it’s crucial to measure accurately.
  • Check Weather Conditions: Apply weed and feed on a calm day with no rain forecasted for 24-48 hours to prevent runoff and ensure proper absorption.
  • Keep Pets and Children Away: Ensure that pets and children are kept off treated areas until the product has dried or settled to avoid accidental ingestion or contact.
  • Use Proper Equipment: Utilize a spreader for even distribution of the product, as this helps to avoid patches of dead grass or overly fertilized areas.
  • Monitor Lawn Health: After application, closely observe your lawn for any adverse reactions or changes in plant health, adjusting your lawn care routine as needed.

Reading the instructions is crucial because it provides specific guidance on how to mix and apply the product, as well as any safety warnings that may be pertinent to its ingredients.

Wearing protective gear minimizes the risk of skin irritation or respiratory issues caused by inhaling chemicals, which is particularly important for those with allergies or sensitivities.

Avoiding over-application not only protects your lawn’s health but also reduces the risk of nutrient runoff into local waterways, which can lead to environmental issues.

Checking weather conditions helps ensure that the product adheres properly to the weeds and grass without being washed away, maximizing its effectiveness.

Keeping pets and children away from treated areas is vital to prevent any harmful effects from accidental contact with the chemicals used in these products.

Using proper equipment, like a spreader, ensures that the weed and feed is applied evenly, which is essential for achieving the desired results without damaging the lawn.

Monitoring lawn health after application is important to identify any negative effects promptly and adjust care practices accordingly to maintain a healthy lawn.

Related Post:

Leave a Comment