Does your beautiful lawn look more like a dandelion patch lately? We’ve all been there. You spend time making your grass green and lush, only to see those pesky weeds popping up, ruining the view. It feels frustrating when you try to get rid of them, but the products you use hurt your good grass too! Choosing the right weed killer can feel like a maze. You want to zap the bad plants, but keep your lawn happy and healthy. It’s a tough balance, and picking the wrong bottle can lead to wasted money and even more lawn problems.
This post cuts through the confusion. We will explain exactly what a selective weed killer does and how it works magic on weeds without harming your desired turf. You will learn how to spot the best product for your specific lawn challenges. By the end, you will feel confident stepping into the garden store, knowing exactly which weapon to choose in the fight against unwanted greenery. Let’s dive in and reclaim your perfect lawn!
Top Selective Weed Killer Recommendations
- This selective weed killer kills or controls many Broadleaf Weeds and plants susceptible to 2, 4-D.
- Works on Dandelion, Arrowhead, Buckhorn, Aster, Goatsbeard and more. See label for full list.
- Pairs great with Hi-Yield Spreader Sticker (31063) for increased effectiveness.
- Product can be used on Lawns, Ponds, Drainage Ditches, Pastures and Rangelands.
- See product label for application rates and instruction
- LAWN FRIENDLY FORMULA: Our lawn friendly weed killer spray formula contains three proven ingredients that specifically target common lawn weeds, so it won't harm your grass (when used as directed)
- EASY APPLICATION: The continuous spray Comfort Wand weed killer sprayer applicator makes it easy to apply for lawn care, allowing for precise spray control and maximum accuracy without any pumping required
- LAWN WEED CONTROL: Use Ortho WeedClear Weed Killer for Lawns with Comfort Wand, a lawn weed killer, to kill weeds down to the root without harming your grass (when used as directed), with visible results in hours
- KILLS OVER 250 WEEDS: This broadleaf weed killer for lawns targets over 250 common broadleaf lawn weeds, including dandelions, clover, poison ivy, chickweed, and dollarweed (see product label for complete weed list)
- FAST VISIBLE RESULTS: See visible results in hours; this lawn care formula that is rainproof in 1 hour after drying, and people and pets may re-enter the treated area after the spray has dried
- Low, economical use rate of 1 to 4 pints per acre
- Controls many broadleaf weeds & woody plants
- Use in turf, pastures, rangeland, ditch banks, fences…
- Roundup Weed & Grass Killer₄ kills tough weeds and grasses to the root, including dandelion, crabgrass, poison ivy, clover (red & white), spotted spurge, and other broadleaf weeds
- It is rainproof in as fast as 30 minutes and produces visible results in hours
- Allows for planting 1 to 30 days after application (see booklet for details)
- Use in or around flower beds and perennial landscape plants, around trees and shrubs, on patios, walkways, and driveways, gravel, or mulch beds, along fences and foundations, and edging around foundations and retaining walls
- The Pump ‘N Go 2 Sprayer with an extendable wand provides up to 10 minutes of continuous spray and provides greater accuracy without bending over
- KILLS WEEDS – NOT THE LAWN: When used as directed
- VISIBLE RESULTS IN 5 HOURS: Conquer unruly weeds and see visible results in as fast as 5 hours
- KILLS 470+ WEED TYPES AS LISTED: Kills broadleaf and grassy weeds including dandelion, chickweed and clover as well as crabgrass and yellow nutsedge – see product label for complete list of weed types
- KILLS THE ROOT: Kills weeds by contact down to the root
- READY-TO-USE FORMULA: No mixing required
- KILLS WEEDS AND GRASSES: Use on driveways and walkways, and around fences, trees, flower beds, shrubs and other listed areas
- ACCUSHOT SPRAYER: Includes continuous power sprayer with extendable wand
- KILLS THE ROOT: Visible results as fast as 3 hours — replant new flowers, trees and shrubs the same weekend
- RAINFAST: Rainfall or watering 15 minutes after application will not wash away effectiveness
- 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
- QUICK NITROGEN BOOST: Scotts Liquid Turf Builder with Plus 2 Weed Control is a weed killer and grass fertilizer for lawns that gives a quick boost of nitrogen while controlling weeds
- EASY-TO-USE: To apply the lawn food and weed killer spray, simply attach this hose-end applicator to your garden and spray lawn; apply when weeds are actively growing for best results
- BROADLEAF WEED KILLER: This weed killer for lawns with grass fertilizer targets buckhorn, chickweed, ground ivy, henbit, knotweed, lambsquarters, oxalis, pigweed, plantain, poison ivy, ragweed, and spurge
- KILLS LISTED WEEDS: This lawn weed killer plus fertilizer kills dandelions, clover, and other listed lawn weeds
- COVERAGE: Scotts Liquid Turf Builder with Plus 2 Weed Control 32 fl. oz. Ready-To-Spray covers up to 6,000 sq. ft. for warm season lawns and 4,000 sq. ft. for cool season lawns
Choosing the Best Selective Weed Killer: Your Complete Guide
Want a lush, green lawn without pesky weeds taking over? Selective weed killers are your secret weapon. These products target unwanted plants while leaving your desirable grass unharmed. Picking the right one makes all the difference. This guide helps you choose wisely.
Key Features to Look For
When shopping for selective weed killer, several features matter most:
- Targeted Action: Does it specifically kill broadleaf weeds (like dandelions and clover) or grassy weeds (like crabgrass)? Ensure the product matches the weeds you have.
- Grass Compatibility: Check the label! Some killers harm certain grass types (like St. Augustinegrass) but are safe for others (like Fescue). Always confirm it works with your lawn.
- Speed of Action: How fast do you want results? Some start working in hours, while others take a week or more.
Important Materials and Ingredients
Selective weed killers use active ingredients to stop weed growth. You often see these chemicals listed:
- 2,4-D, Dicamba, and MCPP: These are common ingredients that control broadleaf weeds. They work by making the weeds grow too fast, causing them to die.
- Pre-emergent vs. Post-emergent: Post-emergent killers kill weeds that are already growing. Pre-emergent killers stop seeds from sprouting in the first place, which is great for preventing crabgrass.
Factors That Improve or Reduce Quality
The quality of your weed killer depends on what you need it to do and how you use it.
Quality Boosters:
- Concentrate vs. Ready-to-Use (RTU): Concentrates often offer better value and allow you to mix the exact amount you need. RTU bottles are easier for small jobs.
- Rainfastness: High-quality products dry quickly after spraying, usually within an hour. This means rain won’t wash the product away before it works.
Quality Reducers:
- Over-application: Using too much product does not make it work faster. It wastes money and risks harming your lawn or the environment.
- Improper Timing: Applying a post-emergent killer when weeds are stressed (like during a severe drought) reduces its effectiveness.
User Experience and Use Cases
How you plan to use the product heavily influences your best choice.
Lawn Care Scenarios:
- Quick Fix for Dandelions: For immediate spot treatments, look for a fast-acting, RTU product that specifically lists dandelion control.
- Season-Long Prevention: If you struggle with crabgrass every spring, a pre-emergent herbicide applied before the soil warms up offers the best long-term solution.
- Large Areas: If you have a big yard, a concentrate mixed in a large backpack sprayer saves time and money.
Always read the instructions carefully. Proper application ensures you kill the weeds and keep your grass healthy. Enjoy your beautiful, weed-free space!
10 Frequently Asked Questions (FAQ) About Selective Weed Killers
Q: What is the main difference between selective and non-selective weed killer?
A: Selective weed killer only kills specific plants (like broadleaf weeds) but leaves your grass safe. Non-selective killer kills everything it touches, including your lawn.
Q: Can I use selective weed killer if I have new grass seed?
A: Usually, no. Most selective weed killers harm young grass seedlings. Wait until your lawn is well-established before using these products.
Q: How long should I wait after spraying before mowing my lawn?
A: Check the label, but generally, wait at least three days after application before mowing. This lets the chemical fully absorb into the weed.
Q: Will rain wash away the weed killer immediately?
A: Good products are “rainfast” after about one to two hours. If it rains sooner than that, you might need to reapply the treatment.
Q: Are these products safe for pets and children?
A: They are generally safe once the treated area is completely dry. Keep pets and children off the lawn until the spray has dried completely, which is usually just a few hours.
Q: What is the best time of day to apply a selective weed killer?
A: Apply in the morning when temperatures are mild and there is no wind. Avoid spraying when temperatures are very hot (over 85°F), as this can stress your lawn.
Q: Why do some weeds seem unaffected after I spray?
A: This happens if the weed is too mature, if you used too little product, or if the weather conditions were not ideal for the chemical to work.
Q: Do I need a special sprayer for these products?
A: Ready-to-use bottles come with a sprayer attached. If you use a concentrate, you need a standard pump or backpack sprayer. Make sure to clean the sprayer thoroughly afterward.
Q: How often can I safely apply a selective broadleaf killer?
A: Most labels recommend waiting four to six weeks between applications to give the grass time to recover and to allow the product to fully act on the weeds.
Q: Can I use a pre-emergent and a post-emergent at the same time?
A: It is generally best practice to wait. Apply the pre-emergent first (usually early spring). Wait until the grass is actively growing before applying a post-emergent treatment.