10 Best Weed and Feed 2021 Reviews | Lawnscanner

Applying the best weed and feed product will help your lawn flourish. Most weed and feed products contain a slow-release water-soluble mixture of lawn fertilizer and selective weed control formulation that give you a green and more thick lawn.

Best weed and feed supply all necessary nutrients to your lawn. Without putting the fertilizer, there will be more chances of patchiness, lawn browning, bare spots, and weeds in the lawn. 

A Quick Glance at Our Best Weed and Feed 2021

Table of Content show
IMAGE PRODUCT FEATURES PRICE
BEST OVERALL
NETGEAR Nighthawk Smart WiFi Router
Scotts Turf Builder Weed and Feed
  • Slow release formula
  • Thickens the lawn
  • 2X more powerful weed control
  • Improves lawn’s ability to absorb water
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EDITORS CHOICE
NETGEAR Nighthawk Smart WiFi Router
Scotts Turf Builder Triple Action
  • Pre-emergent and post-emergent weed killer
  • Fertilize the lawn
  • Prevents crabgrass for 4 months
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TOP CHOICE
NETGEAR Nighthawk Smart WiFi Router
Roundup Weed and Grass Killer Super concentrate
  • Kill weeds to the root
  • Quick weeds and grass killer
  • Ideal for large areas
  • Rainproof in 30 minutes
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BEST VALUE
NETGEAR Nighthawk Smart WiFi Router
Preen 2164169 One Lawncare Weed & Feed
  • Kill toughest lawn broadleaf weeds
  • Block crabgrass all season
  • Stop germination of crabgrass
  • Fertilize the lawn
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TOP CHOICE
NETGEAR Nighthawk Smart WiFi Router
Scotts Turf Builder Starter food for new grass plus weed preventer
  • Grow new grass quicker and thicker
  • Improve seeding results
  • Promote faster root development
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BEST CHOICE
NETGEAR Nighthawk Smart WiFi Router
Scotts Turf Builder Southern Triple Action
  • Prevent the weeds
  • Feed the lawn
  • Kill the dollarweed and clover
  • Kills fire ants and pesky bugs
Check on Amazon
TOP CHOICE
NETGEAR Nighthawk Smart WiFi Router
BioAdvanced Weed & Feed
  • Kill lawn weeds
  • Feed, and strengthen the lawn
  • Improves and fortifies roots
  • Increase heat and drought resistant
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BEST VALUE
NETGEAR Nighthawk Smart WiFi Router
Scott Turf Builder WinterGuard Fall Weed and Feed
  • 2X more dandelion and clover killer
  • Feed your grass
  • Build strong root of grass
  • Weed grip technology
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EDITOR CHOICE
NETGEAR Nighthawk Smart WiFi Router
GreenView Weed and Feed
  • Kills up to 200 broadleaf weeds
  • Feed nutrition up to 12 weeks
  • Improve root growth
  • Block crabgrass
Check on Amazon
TOP CHOICE
NETGEAR Nighthawk Smart WiFi Router
PENNINGTON ULTRAGREEN WEED & FEED
  • Kills more than 250 types of weeds
  • Fast acting nitrogen
  • Best weed and feed for thick healthy and greener lawn
Check on Amazon

Best Scotts Weed and Feed: Scotts Turf Builder Weed and Feed

TOP PICK
Goxawee Cordless Drill Screwdriver
9.8/10 Our Score

Specifications

  • Slow release formula feed the lawn for 2 months
  • Thickens lawn to crowd out weeds
  • Kills tougher weeds that are deep rooted
  • N-P-K: 28-0-3
Pros
  • 2X more powerful dandelion and clover control
  • Improves lawn’s ability to absorb water
  • Green turf from the roots up
  • Weed grip technology
Cons
  • Not for all grass types
  • Harmful for pets and people if treated in first 24 hours

Scotts Turf Builder Weed and Feed kill weeds that already exist in your lawn and feeds the lawn for up to two months. A new and improved formula means that you will get up to 2X more powerful dandelion and clover control.

Scotts Turf Builder Weed and Feed make your lawn greener and thicker. And kill the weeds before they grow. It’s the best weed and feed for use in the fall or spring.

It formulated with their weed grip technology that twice the power and make a room for strong, green grass to grow.

Scotts Turf Builder is the best formula that provides essential nutrients to your lawn for strong, healthy, and deep grassroots. The grass grows close to each other and does not allow the weeds to grow. This granule lawn fertilizer is best used in established lawns.

WEED FREE LAWN
SCOTS WEED AND FEED

It’s a slow-release formula that means your lawn will continuously receive all the necessary nutrients for a long time.

Make sure before applying the Scotts Turf Builder Weed and Feed that the grass is wet or sprinkling. It helps the particles adhere to weed to produce the best result.

Don’t apply Weed & Feed if you think it’s going to rain in the next 24 hours. Any rainfall or irrigation will wash the product off.

Apply in daytime temperature when the weeds are actively growing. And up to two times a year.

For use on Kentucky bluegrass, Perennial Ryegrass, Bermudagrass, Bahiagrass, Centipedegrass, Tall Fescue, and Fine Fescue.

Two sizes are available. One can cover up to 5,000 square feet, and the big package covers 15,000 square feet and lasts up to six weeks. Harmful for pets and people in the first 24 hours after the application.

Best Turf Builder: Scotts Turf Builder Triple Action

TOP PICK
Goxawee Cordless Drill Screwdriver
9.6/10 Our Score

Specifications

  • Innovative triple action formula
  • Fertilize the lawn for up to 4 months
  • Pre-emergent and post-emergent weed killer
  • N-P-K: 16-0-1
Pros
  • Prevents crabgrass for 4 months
  • Useable for many grass types
  • Money back guarantee
Cons
  • Not for all grass types
  • Do not apply more than twice in year

Scotts Turf Builder Triple Action provides three benefits in one bag. It kills dandelion and clover, prevents future weeds like crabgrass, and makes room for strong, green grass. It prevents crabgrass for four months before it invades.

For use on Kentucky bluegrass, Perennial Ryegrass, Bermudagrass, Bahiagrass, Centipedegrass, Tall Fescue, and Fine Fescue. Also prevents barnyard grass, annual bluegrass, broadleaf weeds, prostrate spurge, and chickweeds.

Make sure before applying the Scotts Turf Builder Triple Action that the grass is wet or sprinkling. As it helps the particles adhere with weeds. Sweep product from hard surfaces back into the lawn.

scotts turf builder
FEED THE LAWN AND KILL WEEDS

After 24 hours, water the lawn to wash the particles onto the soil to prevent crabgrass germination and grassy weeds. And up to two times a year.

You can apply it directly to your lawn when dandelions are actively growing in the early stage.

Two sizes are available. One can cover up to 4,000 sq. ft. The big package covers 10,000 sq. ft. If you are not happy with the result. Don’t worry, Scotts offer a money-back satisfaction guarantee.

  

Roundup Weed and Grass Killer Super concentrate

TOP PICK
Goxawee Cordless Drill Screwdriver
9.6/10 Our Score

Specifications

  • Economical way to treat weeds
  • Kill weeds to the root
  • Ideal for large areas
  • Rainproof in 30 minutes
Pros
  • Best formula to kill concentrate weeds and grasses
  • Can be used on vegetable garden and flower beds
  • Quick weeds killer
  • Three sizes are available for different coverage area
Cons
  • Can affect the water channels and storm drains
  • Could harm the desirable plants

Roundup Weed and Grass Killer Super concentrate is the best solution for really widespread weed problems. It absorbs only through the leaf and stem and kills the toughest weeds and grasses but won’t spread to non-target plants.

Apply the liquid weed and feed where you want to kill weeds and grass. Shield the desirable plants with plastic or cardboard. If the desirable plants are accidentally sprayed, wash immediately with water. People and pets may enter the area when the spray has dried.

Can be used in the vegetable garden, flower beds, patios, walkways, driveways, and gravel beds. It is also best to treat stumps and prevent regrowth. Weeds are usually yellow and wilt in 2-4 days.

WEED AND FEED
ROUNDUP WEED AND GRASS KILLER

For best results, apply it during sunny weather and when the air is calm to prevent the desirable plants from the spray. Weeds usually begin to kill in three to four days and kill completely within two weeks.

Do not apply when rain is expected, near water, storm drain, and draining ditches. For best results add 2 1/2 oz. per 1 gallon of water. Three sizes are available.

Preen 2164169 One Lawncare Weed & Feed

TOP PICK
Goxawee Cordless Drill Screwdriver
9.6/10 Our Score

Specifications

  • Kill toughest lawn broadleaf weeds from the root
  • Block crabgrass all season
  • Stop germination of crabgrass
  • N-P-K: 24-0-6
Pros
  • Kills more than 250 types of weeds
  • Kills crabgrass seedlings from growing
  • Fertilize the lawn for up to 8 weeks
Cons
  • Not recommended St. Augustine (including Floratam)
  • Do not use this product where desirable clovers are present

Preen One Lawncare eliminates the need to use multiple products by giving homeowners an easy-to-apply lawn care solution that delivers three important treatments in one application.

It prevents crabgrass seeds from sprouting and, unlike traditional crabgrass prevention products, also kills crabgrass seedling up to 4 weeks after germination. It kills dandelion and more than 250 types of tough broadleaf weeds contact.

It continuously feeds the lawn with a slow-release formulation that provides even greening and supports strong roots for dough resistance.     

Preen One Lawncare kills a wide range of lawn weeds, including dandelion, chickweed, knotweed, plantain, henbit, spurge, thistle, clover, and many others commonly found in home lawn.

Preen weed and feed
weed-free lawn

Do not use this product on St Augustinegrass, colonial bentgrass, dichondra, or carpet grass as serious lawn injury will result.

For optimum weed control in the lawn, apply when the lawn is wet from rain or sprinkling and do not water for at least 24 hours of application. For best results, apply it during sunny weather and when the air is calm to prevent the desirable plants or shrubs from damage.

Apply the product when the weeds are actively growing under adequate soil moisture and favorable temperature (50°F to 80°F).

Three sizes are available. One can cover up to 2,500 sq. ft. 5,000 sq. ft. The big package covers 10,000 sq. ft.

Best Starter Weed and Feed: Scotts Turf Builder Starter Food for new grass Plus weed preventer

TOP PICK
Goxawee Cordless Drill Screwdriver
9.6/10 Our Score

Specifications

  • Grow new grass quicker and thicker
  • Improve seeding results
  • Promote faster root development
  • Prevents the weed
Pros
  • Best fertilizer for new grass
  • Can be used on all types of grass
  • 2 in 1 formula
  • Three sizes are available for different coverage area
Cons
  • Don’t apply near water channel or storm drains

Scotts Turf Builder Starter Food for new grass improves seedling results through a combination of nutrients that will satisfy the special needs of new grass. And you will get 70% thicker and 30% quicker new grass. Plus prevents the weeds for up to 6 weeks.

It can be used on all types of grass. Whether, new grass, reseeding on existing ones, and planting sod, sprigs, and grass plugs.

After planting the new grass, make sure to water the new lawn once a day to keep the soil moist. And then feeding the new lawn continually to maintain a thicker and green appearance of the new lawn. And mow the area when the new grass is tall at least three inches.

Weed and feed products work in harmony with the environment when used properly. Do not apply when rain is expected within 24 hours.

scotts turf builder
best for lawn

Set the spreader and apply to a newly seeded area. This formula does not require watering in. But you have to keep the soil moist until the seedling reaches three inches tall.

Do not apply when rain is expected, near water, storm drain, and draining ditches. Three sizes are available. One can cover up to 1,000 sq. ft. 5,000 sq. ft. The big package covers 15,000 sq. ft.

Best Weed and Feed for Southern Lawn: Scotts 26008A Turf Builder Southern Triple Action

TOP PICK
Goxawee Cordless Drill Screwdriver
9.6/10 Our Score

Specifications

  • Prevent the weeds
  • Kill the dollar-weed and clover
  • Feed the lawn for up to 3 months
  • N-P-K: 29-0-10
Pros
  • Best fertilizer for St. Augustine, Carpetegrass, Centipede and Zoysia
  • Kills fire ants and pesky bugs
  • Enhance heat and drought resistant
  • Money back guarantee
Cons
  • Not recommended for Bermuda grass

Scotts Turf Builder Southern Triple Action does not have the strength to take on tough weeds like dollarweed and clover and kill fire ants and feed your lawn.

This product will kill the toughest southern weeds and kill fire ants and other pesky bugs, all while feeding and strengthening your lawn against heat and drought. 

It is the best weed and feed for St. Augustinegrass (including Floratam), Carpetgrass, Centipede, and Zoysiagrass. Fertilize it to build a thick green lawn.

BEST WEED AND FEED FOR ST. AUGUTINE GRASS

Scotts Turf Builder Southern Triple Action is the best weed and feed formula. Also, it’s quite easy to use. Pour the product into the spreader according to the coverage amount and apply. Make sure the grass is dry. Water in product to the lawn after application. Don’t water to the point of runoff.

Do not apply the product during winter dormancy. Wait until the third mowing of the season. Apply when the grass and weeds are actively growing. The second application may be applied after 8 weeks of initial application. Do not apply more than twice a year.

If you are not happy with the results. Don’t worry, Scotts offer a money-back satisfaction guarantee.

BioAdvanced All-in-One Weed & Feed with Micro-Feed Action

TOP PICK
Goxawee Cordless Drill Screwdriver
9.6/10 Our Score

Specifications

  • Innovative triple action formula
  • Fertilize the lawn for up to 4 months
  • Pre-emergent and post-emergent weed killer
  • N-P-K: 22-0-4
Pros
  • Kill crabgrass and broadleaf weeds
  • Increase heat and drought resistant
  • Micro feed action
Cons
  • Not recommended for St. Augustine, dichondra and carpetegrass

Introducing All in One weed and feed. It’s the best weed and feed product that kills more than 200 broadleaf lawn weeds like dandelion, clover, chickweed, crabgrass, and other grassy weeds all in one easy step.

It feeds, green, and strengthens your lawn with proprietary Micro Feed Action. Micro Feed Action improves nutrition uptake during and between feeding. It also gives resistance to heat and drought.

 In spring, wait to apply until after you’ve moved two times before applying. Apply only to actively growing turf. This ensures your lawn has emerged from dormancy. All In One Weed & Feed is a granular product, so you can apply it using a rotary or drop-type spreader.

BioAdvanced weed and feed

Treat the border of your lawn first. Remember to sweep, brush or blow any excess granules off driveways, sidewalks, and patios and back onto the lawn. You will get a thicker, greener lawn with stronger roots and enriched soil.

Only use this product on establish lawn of the following turf, Bermudagrass, Fescue, Zoysiagrass, Kentucky, Bluegrass, Ryegrass, Buffalograss, and Seashore Paspalum.

Do not use this product on St Augustinegrass, colonial bentgrass, dichondra, or carpet grass as serious lawn injury will result.

Two sizes are available. The 12 lb. treat up to 5,000 sq. ft. And the 24 lb. covers up to 10,000 sq. ft.

Best Fall Weed and Feed: Scott Turf Builder WinterGuard Fall Weed and Feed

TOP PICK
Goxawee Cordless Drill Screwdriver
9.6/10 Our Score

Specifications

  • 2X more dandelion and clover killer
  • Feed your grass for a better lawn
  • Promote faster root development
  • N-P-K: 28-0-6
Pros
  • Best weed killer for hard winter conditions
  • Weed grip technology make your lawn healthy and greener
  • Build strong root for better lawn
  • Money back guarantee
  • Improves ability to absorb water
Cons
  • Do not apply on St. Augustine, dichondra and carpetegrass

Scotts Turf Builder WinterGuard Fall Weed and Feed will clear out 2X more powerful weeds and prepare your lawn for hard winter conditions.

It formulated with their weed grip technology twice the power and made room for strong, green grass growth. Also improves the lawn’s ability to absorb water.

One of the best times to feed your lawn is in the fall. The nutrients rich blend of food helps your grass recover from the heat, drought, and foot traffic damage for a thick green lawn. Build strong roots for a better lawn with Scott Turf Builder WinterGuard Fall Weed and Feed.

weed & feed
Top Weed & Feed

However, do not use this product on St Augustinegrass, bentgrass, dichondra, or carpet grass as serious lawn injury will result.

Only use this product on establish lawn of the following turf, Bermudagrass, Fescue, Zoysiagrass, Kentucky, Bluegrass, Ryegrass, Buffalograss, and Seashore Paspalum.

And for better results, apply to a wetland and when weeds are actively growing. If any of the reasons you, the customer, are not satisfied with the product. Don’t worry, Scotts offer a money-back satisfaction guarantee.

GreenView Weed and Feed

TOP PICK
Goxawee Cordless Drill Screwdriver
9.8/10 Our Score

Specifications

  • Block crabgrass and other lawn weeds
  • Slow release helps the lawn to use more nitrogen
  • Improve root growth
  • N-P-K: 24-0-6
Pros
  • Speed root growth and improve nutrition absorption
  • Kill up to 200 broadleaf weeds
  • Feed nutrition up to 12 weeks
  • Money back guarantee
Cons
  • Not recommended for St. Augustine, dichondra and carpetegrass

GreenView Weed and Feed fertilize your lawn for 12 weeks and prevents broadleaf weeds including dandelion, clover, and plantain. Its smart technology gives your lawn the nutrition it needs by speeding root growth to improve nutrient absorption.

Slow-release of nitrogen consistently feeds your lawn and nutrients to the soil. Also, protect against heat and drought, resulting in thicker, greener, and healthier lawns that need less water.

Moreover, their zero phosphate formula protects the waterways from harmful runways.

GreenView Weed and Feed is the best broadleaf weed control formula that kills more than 200 broadleaf lawn weeds like dandelion, clover, chickweed, crabgrass, and other grassy weeds in easy steps.

WEED FREE LAWN
TOP WEED AND FEED

Although, apply it when weeds are actively growing. The lawn must be moist and the air is calm. As it allows the granules to stick to the weeds. Its MESA nitrogen technology, faster the green-up without surge growth and consistent green lawn color, without fertilizer leaching or burning.

If you are not happy with the result. Don’t worry, Greenview offer a money-back satisfaction guarantee. Do not use this product on St Augustinegrass, dichondra, or carpet grass as serious lawn injury will result.

Three sizes are available. The 7 lb. treat up to 2,500 sq. ft. 13 lb. treat up to 5,000 sq. ft. And the 39 lb. covers up to 15,000 sq. ft.

PENNINGTON ULTRAGREEN WEED & FEED

TOP PICK
Goxawee Cordless Drill Screwdriver
9.8/10 Our Score

Specifications

  • Fast acting nitrogen
  • Packed with essential lawn nutrients
  • Kill crabgrass and other weeds
  • N-P-K: 30-0-4
Pros
  • Best weed and feed for thick healthy and greener lawn
  • Kill more than 250 types of weeds
  • Feed lawn up to 3 months
Cons
  • Not recommended for St. Augustine, dichondra and carpetegrass

Pennington Ultragreen Weed and Feed are packed with essential nutrients that give you the desired healthy green lawn. Both fast-acting nitrogen release formulas give you quick greening and slow-acting nitrogen feeds your lawn for up to 3 months.

Pennington Weed and Feed kill more than 250 lawn weeds including henbit, clover, chickweed, crabgrass, plantain, and other grassy weeds in easy steps.

With 5% iron, you will get deep, thick, green growth of your lawn.

WEED & FEED
TOP WEEDS & FEED

However, do not use this formula on Floratam St. Augustinegrass.

Make sure, apply when the lawn is wet from rain or sprinkling and do not water for at least 24 hours of application. Mow the lawn 1 to 2 days before applying the weed. Apply when weeds are actively growing in late spring.

12.5 pounds covers 5,000 sq. ft.  

Best Weed and Feed Buyer’s Guide

WEED-AND-FEED-BUYER-GUIDE
Buying Guide

Applying the best weed and feed products in the right way will help your grass flourish. And the buying guide will help you in selecting the best weed and feed fertilizer for your lawn and garden.

Looking Deficiencies

A nutrients deficiency occurs when a plant is not getting enough of a nutrient for normal lawn functions. The higher nutrition fertilizer stimulates more growth and therefore all nutrients are required to support that growth.

Deficiencies are identified by their symptoms. Pay attention to where symptoms occur, whether it’s on new or old growth, and what combinations of symptoms occur.

Fertilizer packages list the nutrients nitrogen, phosphorous, and potassium in ratios, which show the relative percentage by weight of each ingredient in the mix. Lawn grass needs these three primary nutrients, abbreviated NPK, in different amounts to stay healthy and green.

If a soil test indicates your lawn lacks any, you will need to provide organic or synthetic fertilizers with the correct percentage of nutrients.

Nitrogen is the nutrient grass need in the greatest amount. The optimum ratio for lawns is 3 part nitrogen, 1 part phosphorous, and 2 part potassium. A fertilizer suitable for lawns might have NPK of 12-4-8 or 15-5-10. Nitrogen promotes the vigor and greenness of lawn grass.

Grass that isn’t getting enough nitrogen grows slowly. Does not produce a thick lawn and turns pale green or yellow. Lack of nitrogen also leaves grass more susceptible to diseases. Too much nitrogen, however, promotes quick growth that stresses the root system.

Phosphorous encourages strong root growth to get new grass off to a good start. Phosphorous deficiency results in poor plant growth, sometimes accompanied by purple stems and blades, especially in young plants.

Potassium regulates a grass plant’s system, such as photosynthesis. It is also needed for stress, drought, and disease resistance. It affects growth speed and winter hardiness. Symptoms of potassium deficiency are yellowing blades, often with burnt edges, and shorter stalk length.

weed and feed buying guide

Luckily, nutrient deficiency can be easy to identify and correct. Simply, apply the suspected deficient nutrient and monitor the response. If there is no response, then the nutrient likely is not the problem.

The soil test also helps identify nutrients deficiencies.  

Soil Testing

A periodic soil testing helps you to determine nutrients deficiency, soil texture, and percentage of organic matter in the lawn. Soil testing also lets you in catching the acidity of the soil.   

You can take a sample of soil to the laboratory. The technician will also recommend the minerals you needed to add and the best weed and feed for your lawn.

weed and feed
Soil Testing for knowing the Lawn Deficiency

Select the best suitable fertilizer formula for the lawn.

Grass Types

Different species of grass respond to different fertilizer formulas. Always ensure the right formula for a healthy and greener lawn. Always identify the type of grass and weed in your lawn before buying the best weed and feed in your yard.

For established lawns always use the slow-release formula. But younger grass requires a more frequent formula.

Does Your Lawn Need Weed and Feed?

If your lawn is not remarkably healthy and you are facing a problem with weed. It means your lawn needs fertilizer that kills more than 250 types of broadleaf weeds.

If there is much weed on your lawn. Don’t worry, there are some types of weed and feed to help you to get rid of them. But it is safe to use it from the start.

Moreover, weeds and feeds kill weeds including henbit, clover, chickweed, crabgrass, plantain, and other grassy weeds in easy steps. And beneficial for growing a stronger, faster, and healthier lawn.

Similarly, if your lawn has a green and healthier lawn, you don’t likely need weed and feed.

How Weed and Feed Fertilizer Works?

Herbicides in weed and feed after application attach to the broadleaf weed and kill many types of weeds such as dandelion, clover, crabgrass, and plantain.

The best Weed and feed are specialized in killing weeds such as crabgrass, like BioAdvanced and GreenView weed killers. For those who forgot to apply special crabgrass treatment, these also have special formulas that target narrow leaf weeds.

Similarly, weed and feed also have a proportion of feed. Such as nitrogen, but also include potassium and phosphorous. Some brands have designed to slow the release of these minerals means they will continue to feed your lawn for up to 4 months.

How Often Should You Weed and Feed a Lawn?

It’s widely depending on where you live, what the climates like, and what kind of health your lawn is currently in. But for the most part, it isn’t about how often you fertilize. It’s really about the amount of nitrogen that you are getting down. 

Use the best weed and feed products on a lawn no more than two times per year. Avoid other plants and flowers during application. And apply in the localized areas only as needed.

Always read the product’s label before application to ensure that the product is appropriate for your lawn. 

How to Apply Weed and Feed fertilizer in Your Lawn?

One of the big issues for homeowners is how to apply weed and feed for beginners. Most people don’t apply it the right way to get good results.

Remember, before applying the selective weed and feed fertilizer, it is important to know the proper procedure for treating the lawn through packaging and label.

There is a special instruction for the weeds and grass you are targeting. Also, spreader settings will help you how much weed and feed apply to your lawn.

  • Before application, make sure your lawn height around 3-5 inches.
  • Apply when the lawn is wet from rain or sprinkling and do not water for at least 24 hours of application.
  • Be sure about the quantity of weed and feed before applying. Because too much product could scorch your lawn. For recommended quantity check the guidelines of the manufacturer.  Also, don’t apply too much to certain areas.
  • You may wish to wait a few days after mowing to ensure enough weed growth for the herbicides to work.

Best Time to Put down Weed and Feed

The best weed and feed fertilizers are time-saving solutions to your yard problems. They provide essential nutrients to your grass to keep healthy and green and kill insight weeds.

However, applying the best weed and feed products at the wrong time of year may harm your lawn.

Don’t apply weed and feed more than twice. If your spring application didn’t work properly then use another application at least two months apart.

Different grass varieties thrive when planted at different times of the year. If you have a specific variety in mind, find out the most favorable to sow it to ensure the best results.

weed and feed buyer guide
Best Time to Apply Weed & Feed

Crabgrass and related weeds are best killed using pre-emergent herbicides, which keep the weed from growing, rather than post-emergent types, which kill one contact.

The best weed and feed fertilizers may apply in the lawn when weeds are actively growing. Because pre-emergent weed and feed fertilizers do not work on weeds that have head to start.

Post-emergent herbicides kill broadleaf plants on contact but don’t usually adhere to grass blades. Applying too much of this kind of weed and feed can kill your grass. Apply these products according to the manufacturer’s instructions.  

Spreader Types and Setting

The two types of spreaders are a drop spreader and a broadcast spreader. A drop spreader deposits granules directly below it in a path between the wheels. This type of spreader is very maneuverable and works well in a tight or small areas.

A broadcast spreader has a deflector wheel that spins to distribute granules in a path wider than the wheels on a walk-behind model.

Hand-held broadcast spreaders work in the same manner for small areas.

For determining the spreader setting, read the instructions on the bag of weed and feed. There are many manufacturers of this type of product with different application rates.

Turn the dial knob on your spreader to point the arrow at the number indicated on the product bag for either a drop or broadcast spreader.

Pour half of the amount of weed, feed into your spreader, and start spreading it at one edge of the lawn. Walk back and forth in rows from one end of the lawn to the other.

Place the other half of the product in the spreader and apply it in rows perpendicular to the first rows. This gives even coverage of weed and feed.   

Can You Seed After Applying Weed and Feed?

Weed and feed products are not ideal for all situations, though, and may cause some problems if you plan to reseed the lawn soon after their application.

As the name implies, weed and feed products contain both fertilizer and herbicides to control weeds while feeding the surrounding grass. If the lawn has grass that is already established, this works better.

Ideally, the product should be applied a few weeks after the final frost once the grass and weeds are visibly growing because applying the products to dormant weeds will not affect them. Apply it periodically throughout the rest of the year as well to keep weeds under control.   

 After application, do not mow the treated grass for at least seven days to allow the herbicide time to work. Weed and feed products work by preventing new growth, effectively stopping weed seeds from sprouting and newly sprouting weeds from flourishing. 

The herbicides used aren’t specific enough to only target weeds. However, they will do the same with new grass growth. It can take up to four weeks for the herbicide effect to fade.

So, sowing grass soon after applying weed and feed is likely futile because new grass won’t be able to grow.

You have to wait at least four to six weeks before doing so to ensure the herbicides won’t prevent the seeds from sprouting.     

Weeds & Feeds Are Safe For People and Pets?

When spreading weed and feed products, always wear hand and eye protection to prevent possible chemical burns or other injuries to the eye or sensitive skin.

Keep people and pets off the newly treated areas to prevent accidental poisoning or other illness. And buy the weed killer that is safe for pets, people, and the community.  

FAQ

What are the benefits of fertilizing lawns?

Fertilizing helps your lawn to develop disease-resistant, improve the growth and protection of the soil. They help your lawn stay healthy, encourage growth roots,s and kill all types of weeds.

How do you select the best weed and feed and when you fertilize the lawn?

In early spring, apply a fertilizer with a pre-emergent herbicide. About six to eight weeks later in late spring apply a fertilizer with a post-emergent herbicide.

In late summer, apply fertilizer with insect control. In early fall, apply fertilizer to stimulate root growth. In late fall, apply a winterizing fertilizer that builds resistance to the cold and provides nutrients to extend the green period in the fall and green up quicker in the spring. 

What do the numbers on fertilizer mean?

These numbers give you the percentage of three elements by weight in the bag. These numbers are also referred to as the NPK ratio. The first number is Nitrogen, the second number is Phosphorous and the third number is Potassium. These ingredients are used in all fertilizers.

Well, it is important to note that each element serves a specific function for your lawn. The nitrogen is responsible for the greening of the grass and shoots growth. The phosphorous helps with root growth and the establishment of new grass. Potassium is for the overall health and strength of the plant.

When picking out fertilizer for your lawn, it’s important to know what your lawn needs or which nutrients it is lacking. It is generally recommended that you perform a soil test every year to see what your turf might need.

N-P-K fertilizer number
NPK

What is the Best Time of the Day to Apply Weed & Feed?

Early morning or late afternoon is the best time of the day to apply fertilizer. Do not apply in heat of scorching, as the sun’s rays can burn your lawn grass.   

How long does it take time to see results from using weed and feed?

You will start to see results from 1 to 6 days afterward. It also depends on the type of fertilizer you use.

Can we use weed and feed on plants and shrubs?

No, weed and feed are designed for grass. They may damage or burn the root system of plants and shrubs.

Quick Recommendation

Now, we hope you have enough information to make the purchase decision to tackle the weeds problems on your lawn. First, you have to know about the grass type and type of weed on your lawn.

But if you are still looking for the best weed and feed formula available for St. Augustine, centipede, and carpetgrass, then we recommend Scotts Turf Builder Southern Triple Action.

However, if you are reseeding or planting the lawn, then Scotts Turf Builder Starter Food for New Grass Plus Weed preventer would be a good option.

Finally, if you are facing the weed problem and have many areas to cover, check out our top pick from a reputable brand, Scotts Turf Builder Weed and Feed, which is highly recommended.

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