Does your perfect lawn have unwelcome visitors like dandelions and clover? These broadleaf weeds can quickly take over, making your green space look messy. Finding the right tool to fight them feels like a puzzle. You see bags and bottles promising miracle cures, but which one actually works best for your yard and is safe for your grass?
Choosing the wrong herbicide can mean wasted money, damaged turf, or weeds that simply refuse to leave. It’s frustrating when you follow the directions, but the pesky plants just keep popping back up. You need a solution that targets the problem without harming the good stuff.
This post cuts through the confusion. We will break down exactly what makes a good broadleaf killer. You will learn about the different types available and how to match the right product to your specific weed worries. Get ready to take control of your lawn care routine!
Top Broadleaf Herbicide Recommendations
- 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…
- 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
- Active ingredient: 46.8% 2,4-Dichlorophenoxyacetic acid, dimethylamine salt
- Primary weeds targeted: (Refer to product label for comprehensive list)
- Bull thistle
- Common burdock
- Weed killer for lawns: Use Ortho WeedClear Weed Killer for Lawns to kill over 250 listed weeds including dandelion and clover down to the root, without harming your lawn (when used as directed)
- Fast-acting weed control: Kills listed weeds like dandelion, clover, and chickweed down to the root and gets results with 1 application
- Spot treatment for weeds: Kills weeds not the lawn when used as directed - use on St. Augustinegrass (not Floratam), Bermudagrass, Centipedegrass, Zoysiagrass, Buffalograss, and Bahiagrass, Kentucky Bluegrass, Ryegrass, Tall Fescue, and Fine Fescue
- Spray weed killer: Apply this lawn weed killer to small, actively growing weeds when daytime temperatures are below 90°F
- Use Ortho WeedClear Weed Killer for Lawns Ready-To-Spray to kill weeds down to the root, without harming your lawn (when used as directed); you'll see visible results in hours
- KILLS WEEDS: This lawn weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, chickweed, and dollarweed (see product label for complete weed list)
- LAWN FRIENDLY: It contains three proven ingredients that target common lawn weeds, so it won’t harm your grass (when used as directed)
- RESULTS YOU CAN SEE: Visible results in hours; rainproof in 1 hour upon drying; people and pets may enter the treated area after the spray has dried
- Weedar 64 Broadleaf Herbicide 5 Gallons, Liquid (2 x 2.5gal)
- Active ingredient: Triclopyr, 2,4-D, Dicamba, & Sulfentrazone
- Designed for residential, commercial, and golf sites
- Yellow nutsedge suppression
- Fast visual response to reduce call backs or complaints
- PREVENT WEED DEVELOPMENT: Barricade 4FL controls the growth and development of weeds before they germinate. Barricade 4FL will not control weeds after they have germinated. This product is labeled for use in a broad range of areas such as vegetation sites, turf species, weed control, grass, broadleaf weeds, established turfgrasses, lawns, sod nurseries, and Christmas tree farms.
- LONG-LASTING PREEMERGENCE WEED PREVENTION: Take action before unsightly vegetation infiltrates your landscaped lawn with our pre-emergent concentrate. One application can prevent weeds season long when used as directed. You can apply this selective weed spray solution several months before germination and expect it to work well into the peak season.
- ULTRA EFFECTIVE: You can use more Barricade for season-long targeted weed control and modulate your use during shorter growing seasons. It's the ideal weed prevention solution for your container, field-grown, and landscape ornamentals.
- BROAD-SPECTRUM HERBICIDE: The weed grass killer is super effective on residential turf, production, and landscape ornamentals. This grass killer can tackle up to 30 species of turf weeds, including both summer and winter annuals. It's all you need to clear your lawn of pesky weeds.
Your Guide to Choosing the Best Broadleaf Herbicide
Dealing with unwanted weeds in your lawn or garden can be frustrating. Broadleaf herbicides are powerful tools designed to target those pesky, wide-leafed invaders without harming your grass. This guide helps you pick the right product for a healthier, greener yard.
Key Features to Look For
When shopping for a broadleaf herbicide, several features make a big difference in how well the product works for you.
1. Active Ingredients
The main ingredients determine what the herbicide kills. Look for common active ingredients like 2,4-D, Dicamba, or MCPP. Different combinations target different tough weeds. Some products use a “three-way” mix for broad-spectrum control.
2. Selective vs. Non-Selective
Most lawn care requires a selective herbicide. This means it kills broadleaf weeds (like dandelions or clover) but leaves your desirable grass untouched. A non-selective herbicide kills everything it touches, which is usually only useful for clearing garden beds or driveways entirely.
3. Application Type
Herbicides come in ready-to-use sprays, concentrates you mix with water, or granular forms you spread with a fertilizer spreader. Choose the type that fits your yard size and how you prefer to apply treatments.
4. Speed of Action
Some formulas work quickly, showing results in just a few hours. Others are slower but offer longer residual control, meaning they keep working in the soil to prevent new weeds from sprouting.
Important Materials and Formulation
The way the product is made affects how easy it is to use and how effective it is.
- Concentrates: These often offer the best value for large areas. You must measure carefully when mixing them with water.
- Ready-to-Use (RTU): These bottles attach directly to your hose or have a built-in sprayer. They are convenient but cost more per ounce.
- Surfactants (Sometimes Included): These are wetting agents. They help the chemical stick to the weed’s waxy leaves instead of rolling right off. High-quality products often include these.
Factors That Improve or Reduce Quality
Not all herbicides perform equally. Consider these factors before buying.
What Improves Quality?
- Weed Spectrum: A product that lists control for the specific weeds you see (like ground ivy or chickweed) will be higher quality for your needs.
- Rainfastness: How long does the product need to dry before rain won’t wash it away? Look for short rainfast times (often 1–4 hours).
- Temperature Range: The best products work effectively across a wide range of temperatures. Applying in extreme heat can sometimes reduce effectiveness or harm your lawn.
What Reduces Quality?
- Poor Coverage: If you use a concentrate and mix it improperly, the application will be weak, and weeds survive.
- Using the Wrong Season: Applying certain herbicides when the weeds are dormant or when the grass is stressed reduces the product’s ability to kill the target.
User Experience and Use Cases
Think about when and where you will use the herbicide.
For Small, Spot Treatments: A ready-to-use spray bottle works best. You target individual dandelions quickly without mixing chemicals.
For Large, Established Lawns: A granular product spread evenly over the entire lawn is often the most efficient method. You usually spread this product, and then you water it in.
Safety First: Always read the label. Ensure the product is safe for use around pets or children once it dries. Good user experience involves clear instructions and safety warnings.
10 Frequently Asked Questions (FAQ) About Broadleaf Herbicide
Q: What is the main difference between broadleaf and grass killers?
A: Broadleaf herbicides target weeds with wide, flat leaves, like clover. Grass killers target grassy weeds, like crabgrass, which have narrow blades similar to lawn turf.
Q: Can I use broadleaf herbicide on St. Augustine grass?
A: You must check the label carefully. Some herbicides are safe for St. Augustine or Bermuda grass, but others will severely damage or kill these warm-season grasses.
Q: How long after applying should I water my lawn?
A: Most products require the chemical to dry on the leaf for at least one hour. Check the label, but generally, wait until the surface is dry before watering deeply.
Q: When is the best time of year to apply broadleaf herbicide?
A: Spring and early fall are usually the best times. Weeds are actively growing during these seasons, which helps them absorb the herbicide better.
Q: Will this kill my dandelions completely?
A: A good selective broadleaf killer should kill the entire dandelion, including the root, if it is applied when the weed is actively growing.
Q: What is “pre-emergent” vs. “post-emergent”?
A: Post-emergent products kill weeds that have already sprouted. Pre-emergent products form a barrier in the soil to stop seeds from sprouting in the first place.
Q: Is it better to use a liquid or a granular product?
A: Liquids often penetrate the leaf faster, but granular products are easier for covering large, flat areas evenly using a spreader.
Q: Can I mow my lawn right after spraying?
A: You should wait at least two days after application before mowing. Mowing too soon removes the chemical before the weed has absorbed enough to die.
Q: Do I need a special sprayer for concentrates?
A: Yes. You need a clean, dedicated sprayer, like a pump sprayer, to mix the concentrate precisely according to the directions.
Q: What should I do if the product gets on my sidewalk?
A: If the herbicide is selective, it usually will not harm concrete. However, if it is a non-selective product, it will kill any moss or weeds growing in the cracks, so rinse off any excess immediately.
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