Is your beautiful green lawn being invaded by unwelcome green intruders? Those pesky dandelions and stubborn crabgrass can quickly turn your pride and joy into a patchy mess. It’s frustrating to watch your hard work get overrun by weeds! Choosing the right lawn weed killer and feed can feel like a guessing game. So many bottles promise magic results, but which one truly works for your specific lawn problems without harming your grass?
Understanding the difference between various formulas and application times is key to getting that lush, weed-free carpet you dream of. Stop wasting money on products that don’t deliver! This guide cuts through the confusion. We will break down what you need to know about combining weed control with essential feeding.
By the end of this post, you will know exactly how to select the best weed killer and feed combination for a healthier, greener yard this season. Let’s dig into making your lawn the envy of the neighborhood!
Top Lawn Weed Killer And Feed Recommendations
- WEED KILLER PLUS LAWN FOOD: Scotts Turf Builder Weed & Feed3 weed killer plus fertilizer for grass kills existing listed weeds and feeds to thicken your lawn and crowd out future weeds
- WEED CONTROL FOR LAWNS: These weed killer plus lawn fertilizer granules control over 50 listed lawn weeds, including clover, dandelion, plantain, morningglory, chicory, eveningprimrose, and purslane
- WEED AND FEED FOR LAWNS: Apply this combination weed control and lawn food to your wet lawn when weeds are actively growing and daytime temperatures are consistently between 60°F and 90°F; don't apply more than 2X per year
- USE ON LISTED GRASS TYPES: Apply this lawn care product to Bahiagrass, Bermudagrass, Bluegrass, Centipedegrass, Fescue, Ryegrass, and Zoysiagrass (temporary discoloration may occur on some grasses)
- DO NOT USE ON: Do not use this weed killer for lawns on St. Augustinegrass (including Floratam), Dichondra, Lippia, Carpetgrass, and Bentgrass lawns
- Scotts Turf Builder Weed & Feed5 weed killer plus fertilizer kills existing listed weeds and feeds to thicken grass and crowd out future weeds
- Weed Control and Lawn Fertilizer: controls over 50 listed lawn weeds, including clover, dandelion, plantain, morningglory, chicory, eveningprimrose, and purslane
- Weed and Feed for Lawns: Apply this combination weed control and lawn food to a wet lawn when weeds are actively growing and daytime temperatures are consistently between 60°F and 90°F; do not apply more than 2X per year
- Use on Listed Grass Types: Apply this lawn care product to Bahiagrass, Bermudagrass, Bluegrass, Centipedegrass, Fescue, Ryegrass, and Zoysiagrass (temporary discoloration may occur on some grasses)
- Coverage: One 11.32 lb. bag of Scotts Turf Builder Weed & Feed5 covers 4,000 sq. ft.; use a Scotts spreader for even, uniform coverage
- Scotts Turf Builder Triple Action1 is a three-in-one formula that kills weeds, prevents crabgrass, and feeds grass to build thick, green lawns
- Controls existing listed lawn weeds, including dandelion, clover, dollarweed, ground ivy, chickweed, plantain, henbit, and english daisy
- Prevents crabgrass for 4 months (will not kill existing crabgrass); prevents other listed grassy weeds from invading your lawn
- For use on Bahiagrass, Centipedegrass, Kentucky Bluegrass, Perennial Ryegrass, Bermudagrass, Tall Fescue, Fine Fescue, and Zosyiagrass
- Apply to a wet lawn with a Scotts spreader, and then water in after 24 hours; apply in early spring when dandelions are actively growing; an 11.31 lb. bag treats 4,000 sq. ft.
- Weed killer for lawns: Kill weeds in your lawn, including dandelion, chickweed, clover, crabgrass and foxtail with the Ortho WeedClear Lawn Weed Killer Ready-to-Spray
- Fast-acting weed control: This weed control product kills listed weeds like crabgrass, dandelion, clover, chickweed and creeping charlie down to the root and gets results with 1 application
- Broadcast treatment for weeds: Won't harm lawn grasses when used as directed - use on lawn grasses including Bermudagrass, Buffalograss, Fescues, Kentucky Bluegrass, Ryegrass and Zoysiagrass
- Spray weed killer: Apply to weeds that are young and actively growing by connecting your garden hose to the sprayer, sliding the switch to "ON" and spraying evenly until the lawn is wet
- Ready to spray: This 32 oz. container of Ortho WeedClear Lawn Weed Killer Ready-to-Spray treats up to 5,000 sq. ft.
- SOUTHERN LAWNS: Specially formulated for Southern lawns like Bermudagrass, St. Augustinegrass (including Floratam), and more, this grass fertilizer for lawn provides care and acts as a weed killer for lawns
- 6-MONTH PROTECTION: Delivers up to 6 months of weed prevention, stopping listed broadleaf and grassy weeds, including crabgrass
- WEED KILLER: Kills listed weeds like dandelion, dollarweed, and clover, serving as a reliable weed and feed for lawns to keep your lawn healthy and maintain its beauty
- LAWN FERTILIZER: This lawn fertilizer and weed control product feeds, greens, and strengthens your lawn, helping it remain lush throughout the season
- EASY APPLICATION: Use with a broadcast or drop spreader to apply this weed and feed lawn fertilizer, managing your lawn care routine with ease and maximum results
- Scotts Liquid Turf Builder with Plus 2 Weed Control kills weeds and gives your lawn a quick boost of nitrogen to promote greening
- Liquid weed killer plus fertilizer controls dandelion, clover, ground ivy, henbit, chickweed, plantain, poison ivy, and other broadleaf weeds as listed
- Apply this ready-to-spray weed and feed when weeds are actively growing
- This lawn care product is for use on Bluegrass, Fescue, Ryegrass, Bahiagrass, Common Bermudagrass, Centipedegrass, and Zoysiagrass
- One 32 fl. oz. container of Scotts Liquid Turf Builder with Plus 2 Weed Control provides coverage of 6,000 sq. ft. for warm season lawns and 4,000 sq. ft. for cool season lawns
- KILLS TOUGH WEEDS: Improve your lawn care with lawn weed and feed fertilizer, targeting hard-to-kill listed weeds with weed control for lawns
- PREVENTS NEW WEEDS: Control listed weeds such as crabgrass, dandelions, clovers, and black medic
- KILLS LARGE CRABGRASS: Control crabgrass, targeting them down to the root for visible results in just 3 days
- PREVENTS NEW CRABGRASS: Use to keep crabgrass, dandelions, clovers, black medic, and other listed weeds from starting, applying crabgrass preventer for lawns while keeping your grass unharmed
- GREENS UP TO 3 MONTHS: Fertilizer for grass offers stronger turf while acting as a lawn weed killer
- WEED CONTROL: Southern weed and feed weed killer controls dollar weed, clover, dandelion, chickweed, oxalis, henbit, purslane, and more as listed
- DUAL ACTION: Scotts Turf Builder Bonus S Southern Weed & Feed2 weed killer plus Scotts fertilizer for grass kills existing weeds as listed, and feeds grass to crowd out future weeds and build strong, deep roots
- APPLICATION: Apply this lawn weed killer with fertilizer to a dry lawn when grass and weeds are actively growing; this lawn food must be watered in immediately after application
- GRASS TYPES: Lawn food for grass including St. Augustinegrass (including Floratam), Centipedegrass, Zoysiagrass, and Carpetgrass; do not apply to Bermudagrass
- COVERAGE: One 34.48 lb. bag of Scotts Turf Builder Bonus S Southern Weed & Feed2 covers 10,000 sq. ft.
Your Guide to Greener Grass: Buying Lawn Weed Killer and Feed
Want a lush, green lawn free from pesky weeds? Lawn weed killer and feed products help you achieve that goal. These handy products combine two jobs into one: they kill existing weeds and give your grass the nutrients it needs to grow strong. Choosing the right one for your yard takes a little know-how. This guide will help you pick the best product for your needs.
Key Features to Look For
When shopping, look closely at what the product promises to do. Good products offer specific solutions.
- Weed Control Spectrum: Does it kill broadleaf weeds (like dandelions and clover) or also grassy weeds (like crabgrass)? Many popular products focus on broadleaf weeds only.
- Fertilizer NPK Ratio: This stands for Nitrogen (N), Phosphorus (P), and Potassium (K). These numbers tell you what nutrients are in the food part. A higher Nitrogen number usually means better green-up.
- Application Type: Do you want a liquid concentrate you mix with water, or a dry granular product you spread with a spreader? Granular products are often easier for beginners.
- Longevity: How long does the feeding last? Some formulas feed for six weeks, while others last longer.
Important Materials and Ingredients
The effectiveness of the product depends on what chemicals and nutrients it contains.
Active Weed Killing Ingredients
Most weed killers use a combination of chemicals to target weeds without harming established grass. Common active ingredients include 2,4-D, MCPP, and Dicamba. Read the label to ensure these chemicals are approved for use on your type of grass (like St. Augustine, Fescue, or Bermuda).
Nutrient Sources
The “feed” part uses standard fertilizers. Look for slow-release nitrogen sources if you want the feeding effect to last longer without needing constant reapplication.
Factors That Improve or Reduce Quality
Quality isn’t just about the label; it’s about how the product works in your specific yard.
What Improves Quality
- Targeted Formulas: A product designed specifically for your region’s common weeds works much better.
- Rain In-Wash Time: Liquid products that require very little waiting time before rain is safe are convenient.
- Ease of Spreading: Granular products that spread evenly without clumping lead to uniform results.
What Reduces Quality
- Overspray Risk: Liquid concentrates require careful spraying. If you spray too close to flowerbeds or trees, you can harm them.
- Temperature Sensitivity: Some weed killers stop working effectively or can even damage your lawn if applied when the weather is too hot. Always check the temperature guidelines.
- Reseeding Issues: Some powerful weed killers prevent grass seeds from sprouting. If you plan to overseed soon, check the label for “safe for new seed” warnings.
User Experience and Use Cases
How you apply the product greatly affects your success.
When to Use It
The best time to apply weed-and-feed is usually in the spring when weeds are actively growing, or in the early fall. Avoid applying when grass is dormant (not actively growing) or stressed by drought.
Application Methods
For granular products, you must use a broadcast or drop spreader. Make sure your spreader is calibrated correctly; too much product in one spot burns the grass. Liquid applications require a pump sprayer or hose-end sprayer. Ensure you cover the weeds thoroughly for the best kill rate.
Using a weed killer and feed combo saves time. You fertilize and treat weeds in one go, leading to healthier, greener grass that naturally chokes out future weeds.
10 Frequently Asked Questions (FAQ)
Q: How soon after applying can I water my lawn?
A: This depends heavily on the product. Granular formulas often need light watering to activate the weed killer, but many liquid formulas suggest waiting 24 hours before watering heavily.
Q: Can I walk on my lawn after applying weed killer and feed?
A: Generally, yes, once the product has dried. For granular products, wait until the granules have washed off the grass blades and onto the soil (usually after light watering). Always check the product label for specific safety times.
Q: Will this kill my established grass?
A: High-quality weed-and-feed products are formulated to kill broadleaf weeds while being safe for most established turf grasses. However, applying too much or applying during extreme heat can damage your lawn.
Q: What is the best temperature range for application?
A: Most products work best when air temperatures are between 60°F and 85°F. Applying when it is too cold or too hot reduces effectiveness.
Q: How often should I use this product?
A: Most manufacturers recommend applying weed and feed two to four times per year, usually spaced about 6 to 8 weeks apart, depending on the season and the feeding longevity.
Q: Does this product kill clover?
A: Most broadleaf weed killers are effective against clover, as clover is a common target weed. Check the ingredient list to be sure.
Q: If I use a liquid concentrate, what kind of water pressure should I use?
A: Liquid concentrates are mixed with a specific amount of water per gallon. The pressure comes from your sprayer, not the mixing ratio. Follow the mixing directions exactly.
Q: Can I use this product near my vegetable garden?
A: No. Keep all weed killers away from edible plants. Drift from spraying or runoff can harm vegetables and flowers. Read the buffer zone requirements on the label.
Q: What if it rains right after I apply the granular product?
A: A light rain shortly after application is often necessary to wash the fertilizer granules down to the soil. Heavy, immediate downpours might wash the product away too quickly.
Q: My weeds look yellow but not dead. What happened?
A: This usually means the weeds are dying! It can take 7 to 14 days for some weeds to completely wither after treatment. If they show no change after two weeks, you might need a second application.