Imagine a lush, green lawn, perfectly manicured, without a single pesky weed in sight. Sounds like a dream, right? But often, that dream is interrupted by stubborn invaders like dandelions and clover, ruining your perfect turf. Choosing the right weed killer can feel like a confusing jungle. You want to zap the bad plants, but you absolutely do not want to harm your beautiful, healthy grass.
This is where selective herbicides come in. They are the secret weapon for targeted weed control. However, knowing which product targets which weed, and how it reacts with your specific grass type, is the biggest challenge. Using the wrong product can leave you with brown patches instead of a green carpet! Don’t worry; we are here to clear up the confusion.
In this guide, we will break down exactly what selective herbicides do and how they work. You will learn how to match the perfect product to your weed problem, ensuring your lawn stays vibrant and weed-free all season long. Keep reading to become a lawn care expert and finally achieve that perfect green space!
Top Selective Herbicides For Lawns 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
- Controls 90+ listed weeds including white clover, dandelion, ground ivy, spurge, goosegrass* and nimblewill*
- Fast-acting, cool-weather performance with visible effects within hours
- Reseed in as little as 7 days
- Rainfast in as little as 3 hours
- Labeled for use on Kentucky bluegrass, perennial ryegrass, tall fescue, Bermudagrass, and zoysiagrass and others as listed
- 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…
- Water-Based Formulation: Experience the power of our unique water-based formulation that ensures superior control and faster plant uptake, delivering results you can see quickly
- Extended Residual Control: Enjoy up to 30 days of residual control, keeping your turfgrass free from troublesome weeds for longer periods and reducing the need for frequent applications; Rainfast in less than an hour
- Broad-Spectrum Weed Control: Effectively targets a wide range of weeds, including crabgrass, foxtail, kikuyu grass, signal grass, torpedo grass, and key broadleaves like bindweed, clover, dandelion, black medic, and horseweed
- Versatile Application: Perfect for residential lawns, golf courses, commercial properties, and other non-residential turfgrass sites. It is labeled for use on both warm-season and cool-season turf types, ensuring adaptability to various environments; See label for proper mixing instructions
- USE AS INTENDED: Read, understand and follow label safety and application instructions; Follow proper storage and disposal instructions; NY can only be applied as a spot application; Proper PPE required long sleeve shirt, long pants, socks and shoes, chemical resistant gloves; See label for environmental hazards; State restrictions may apply
- 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
- Date stamped on packaging is the Manufacturing Date, NOT an expiration date.
- Weed killer controls grasses, broadleaf weeds and woody brush species. Do not use on lawns.
- Contains a double-surfactant formulation that dries on plant fast to start working quickly.
- Allows you to cover and treat large areas. 1 gal. covers up to 25,600 sq ft.
- 1 gal bottle of weed control liquid concentrate can treat up to 25,600 square feet.
- See label for application instruction. Spraying accessory required for application.
- Tenacity is a systemic pre-emergence and post-emergence herbicide for the selective contact and residual control of weeds in turfgrasses.
- When applied as a pre-emergent, weeds absorb Tenacity during emergence from the soil.
- Target pests: Barnyardgrass, Carpetweed, Chickweed, Clover, Crabgrass (large & smooth), Dandelion, Foxtail, Goosegrass, Henbit, Yellow Nutsedge, Purslane, Thistle, Wild Carrot and others
- Active Ingredient: Mesotrione 40%
- Date printed on bottle is Manufacture Date, not expiration. Shelf Life: 5-8 years from date of manufacture when properly stored. Keep out of direct sunlight and extreme temperatures
Choosing the Best Selective Herbicide for Your Lawn
Weeds are a common headache for any homeowner who wants a lush, green lawn. Selective herbicides are your secret weapon. They target pesky weeds without harming your desirable grass. But with so many options, how do you pick the right one? This guide will help you make a smart choice.
Key Features to Look For
When shopping for a selective herbicide, look closely at what the label promises. These features tell you how effective and easy the product will be to use.
- Targeted Weed List: The most important feature is the list of weeds it controls. Some products only kill broadleaf weeds (like dandelions). Others handle grassy weeds too. Check if your problem weeds are on the approved list.
- Grass Safety: Every product must clearly state which types of grass it is safe for (e.g., fescue, Bermuda, or St. Augustine). Using the wrong product can turn your healthy lawn brown!
- Application Type: Herbicides come in liquid concentrates (you mix with water) or granular forms (you spread like fertilizer). Choose the type that fits how you prefer to treat your lawn.
- Pre-Emergent vs. Post-Emergent: Pre-emergents stop seeds from sprouting. Post-emergents kill weeds that are already growing. You often need both for complete control throughout the year.
Important Materials and Ingredients
The active ingredients do the hard work. These chemicals are what actually kill the weeds. You will see names like 2,4-D, Dicamba, or MCPP on the label. These are common chemicals used to break down the weed’s internal systems.
The carrier material is also important. For liquids, this is usually water or oil-based solutions. For granular products, the material is often clay or sand, which helps spread the active ingredient evenly across the soil.
Factors That Improve or Reduce Quality
Product quality depends on a few things. A high-quality product mixes easily and stays mixed well in the sprayer. Poorly formulated liquids might separate quickly, leading to uneven application.
Factors that improve quality:
- Good formulation that resists rain wash-off after drying.
- Concentrates that offer a high number of treatments per bottle.
- Products designed for your specific climate zone.
Factors that reduce quality:
- Using the product when temperatures are too high or too low—this reduces its effectiveness.
- Not calibrating your sprayer correctly, leading to under-application (weeds survive) or over-application (grass gets damaged).
User Experience and Use Cases
Good selective herbicides offer a smooth user experience. Liquids are often faster-acting, but require careful mixing. Granular products are simpler to apply using a standard spreader, which many homeowners already own.
Common Use Cases:
- Spring Clean-Up: Applying a pre-emergent herbicide early in the spring stops summer weeds like crabgrass before they ever sprout.
- Spot Treatment: For a few stubborn dandelions popping up in the summer, a fast-acting liquid spot treatment works perfectly.
- Total Lawn Renovation: If your lawn is overrun, you might use a combination approach: a strong post-emergent in the fall, followed by a pre-emergent in the spring.
Always read the label about re-entry time. This tells you how long you must wait before letting pets or children back onto the treated lawn. Good products allow for a quick return to normal yard activities once the spray has dried.
10 Frequently Asked Questions (FAQ) About Selective Lawn Herbicides
Q: What is the main difference between selective and non-selective herbicides?
A: Selective herbicides only kill specific plants (weeds) while leaving your grass unharmed. Non-selective herbicides kill almost all plants they touch, including your lawn.
Q: When is the best time of year to apply a pre-emergent?
A: Apply pre-emergents in early spring, usually when soil temperatures reach 55 degrees Fahrenheit consistently. This stops weed seeds from germinating.
Q: Can I fertilize and apply herbicide at the same time?
A: Sometimes you can, but it depends on the product. Many weed-and-feed products combine both. If using separate products, check the labels; usually, it is best to wait a week between applications.
Q: How long does it take for a post-emergent herbicide to work?
A: Most visible results appear within 7 to 14 days. Some fast-acting products show wilting within 24 hours.
Q: Will rain wash away the herbicide I just sprayed?
A: Most modern products require a few hours (usually 2 to 4 hours) of dry time to absorb into the weed. Check the label for the specific “rain-free interval.”
Q: Are granular herbicides better than liquid ones?
A: Neither is strictly “better.” Granules are easier to spread evenly with a spreader, but liquids often provide faster absorption into the weed leaves.
Q: Can I use a lawn herbicide on my flower beds?
A: Absolutely not. Most lawn herbicides will harm or kill desirable flowers and shrubs. Use products specifically labeled for use around ornamentals.
Q: What happens if I accidentally spray my grass too heavily?
A: Over-application can cause chemical burn, which shows up as yellowing or browning of the grass blades. Always measure carefully.
Q: How long must I wait to mow after applying liquid herbicide?
A: Most experts suggest waiting at least two days after application before mowing. This allows the chemical enough time to fully enter the weed system.
Q: Do I need to wear protective gear?
A: Yes. Always wear long pants, closed-toe shoes, gloves, and eye protection when mixing or applying any lawn chemical for safety.