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
- Up to 2X more powerful dandelion and clover control (vs. previous formula)
- Clears out dandelions and clover—satisfaction guaranteed
- Weedgrip Technology grips the weeds you see—and the ones you don't
- Scotts most powerful weed and feed
- Feeds to thicken lawns and crowd out weeds
- WEED AND FEED FOR LAWNS: Apply this combination weed killer for grass 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
- WEED KILLER PLUS LAWN FOOD: Scotts Turf Builder Weed & Feed5 weed killer plus fertilizer for grass is a clover and dandelion killer for lawns that also feeds to thicken your lawn and crowd out future weeds
- DO NOT USE ON: Do not use this grass fertilizer for lawns plus yard weed killer on St. Augustinegrass (including Floratam), Dichondra, Lippia, Carpetgrass, and Bentgrass lawns
- USE ON LISTED GRASS TYPES: Apply this lawn care product to Bahiagrass, Bermudagrass, Bluegrass, Centipedegrass, Fescue, Ryegrass, and Zoysiagrass
- WEED CONTROL FOR LAWNS: These Scotts weed killer plus lawn fertilizer granules control over 50 listed lawn weeds, including clover, dandelion, plantain, morningglory, chicory, eveningprimrose, and purslane
- Fertilizes in 24 hours while controlling for weeds
- Kills dandelions, clover and other major lawn weeds
- Other weeds include buckhorn, chickweed, ground ivy, henbit, knotweed, lambsquarters, oxalis, pigweed, plantain, poison ivy, ragweed, and spurge
- Easy to use, simply attach hose and spray
- Spray when weeds are actively growing
- 3-IN-1 FORMULA: Scotts Turf Builder Triple Action1 is a three-in-one lawn fertilizer and weed control formula that kills listed lawn weeds, prevents crabgrass, and feeds grass to build thick, green lawns
- WHERE TO USE: This grass fertilizer, crabgrass preventer, and clover and dandelion killer for lawns is for use on Bahiagrass, Centipedegrass, Kentucky Bluegrass, Perennial Ryegrass, Bermudagrass, Tall Fescue, Fine Fescue, and Zoysiagrass
- LAWN WEED CONTROL: This lawn care product is a weed killer for lawns that controls dandelion, clover, dollarweed, ground ivy, chickweed, plantain, henbit, English daisy, and other listed lawn weeds
- CRABGRASS PREVENTER: This pre-emergent weed killer also prevents crabgrass for 4 months (will not kill existing crabgrass); stops other listed grassy weeds from invading your lawn
- HOW TO USE: Apply to a wet lawn with a Scotts spreader, then water in after 24 hours; apply in early spring when dandelions are actively growing
- WEED KILLER SPRAY FOR LAWNS: With a simple hose-end application, kill weeds in your lawn, including dandelions, chickweed, clover, crabgrass and foxtail with Ortho WeedClear Lawn Weed Killer Ready-to-Spray
- FAST-ACTING WEED CONTROL: This weed killer hose sprayer kills listed weeds like crabgrass, dandelion, clover, chickweed and creeping charlie down to the root and gets results with 1 application
- COVERAGE: This 32 fl. oz. container of Ortho WeedClear Lawn Weed Killer Ready-to-Spray provides up to 5,000 sq. ft. of lawn care
- HOW TO USE: Apply to listed lawn weeds that are young and actively growing by connecting your garden hose to the weed killer sprayer, sliding the switch to "ON" and spraying evenly until the lawn is wet
- WHERE TO USE: This spray weed killer for lawns won't harm lawn grasses when used as directed - use on lawn grasses including Bermudagrass, Buffalograss, Fescues, Kentucky Bluegrass, Ryegrass and Zoysiagrass
- 3-IN-1 FORMULA: Scotts Turf Builder Triple Action1 is a three-in-one lawn fertilizer and weed control formula that kills listed lawn weeds, prevents crabgrass, and feeds grass to build thick, green lawns
- WHERE TO USE: This grass fertilizer, crabgrass preventer, and clover and dandelion killer for lawns is for use on Bahiagrass, Centipedegrass, Kentucky Bluegrass, Perennial Ryegrass, Bermudagrass, Tall Fescue, Fine Fescue, and Zoysiagrass
- LAWN WEED CONTROL: This lawn care product is a weed killer for lawns that controls dandelion, clover, dollarweed, ground ivy, chickweed, plantain, henbit, English daisy, and other listed lawn weeds
- CRABGRASS PREVENTER: This pre-emergent weed killer also prevents crabgrass for 4 months (will not kill existing crabgrass); stops other listed grassy weeds from invading your lawn
- HOW TO USE: Apply to a wet lawn with a Scotts spreader, then water in after 24 hours; apply in early spring when dandelions are actively growing
- KILLS TOUGH WEEDS: Apply our revolutionary 5-in-1 Weed and Feed formula to actively growing turf to target over 200 listed types of weeds, including hard-to-kill weeds like dandelions, clovers, and black medic
- PREVENTS NEW WEEDS UP TO 6 MONTHS: Forms a protective soil barrier that prevents listed weeds from emerging for up to 6 months; Apply in spring or early summer, even if Crabgrass and weeds have already sprouted
- KILLS LARGE CRABGRASS: Contains four proven weed killers to control crabgrass, killing to the root; Crabgrass starts to turn purple in 3 days, that's the sign it's working; Creates a long-lasting barrier that helps stop crabgrass from returning for up to 6 months
- FEEDS & GREENS: Fertilizer feeds and greens your lawn for up to 3 months to promote thicker, healthier turf; Apply granules with a broadcast or drop spreader for smooth, even coverage across established lawns
- GET MORE FROM THE BLUE BOTTLE: From simple spot treatments to season-long protection, BioAdvanced's science-based solutions make it simple to control unsightly weeds, feed your lawn, and protect against damaging diseases without harming the lawn
- DUAL-ACTION FORMULA: Spectracide Weed & Feed 20-0-0 kills weeds while feeding your lawn.
- KILLS MAJOR BROADLEAF WEEDS: Kills dandelion, chickweed, knotweed, plantain, clover, mallow, purslane and many other broadleaf weeds.
- FEEDS LAWN: Formulated with 20% nitrogen to feed your lawn.
- COVERAGE: One 32-oz bottle treats up to 7,500 square feet.
- CONVENIENT THREE PACK: Three pack features one nozzle and three bottles of product.
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.