Best Weed Killers That Are Safe for Grass

Weeds are the bane of every gardener’s existence, but choosing the right weed killer can be tricky, especially if you want to preserve the lush, green grass you’ve worked hard to maintain. Fortunately, there are products designed specifically to target weeds without harming your lawn. In this guide, we’ll explore the best weed killers that are safe for grass and offer tips to use them effectively.

What to Look for in a Weed Killer

When selecting a weed killer safe for grass, consider these factors:

1. Selectivity: Look for herbicides labeled as “selective,” meaning they target specific weeds while sparing grass.
2. Type of Weeds: Identify the weeds in your lawn. Common types include broadleaf weeds (like dandelions) and grassy weeds (like crabgrass).
3. Application Timing: Some products work better as pre-emergents (before weeds grow), while others are post-emergents (after weeds have appeared).
4. Active Ingredients: Ingredients like 2,4-D, dicamba, and quinclorac are commonly found in weed killers safe for most lawns.

Top Weed Killers Safe for Grass

Here are the best options available:

1. Scotts Turf Builder Weed & Feed

• Best for: Broadleaf weeds like dandelions and clover.
• Why it’s great: This dual-action formula not only kills weeds but also feeds your grass, promoting thicker and greener turf. It’s easy to apply with a spreader and works best on wet grass.
• Grass types: Suitable for most grass types, including Kentucky bluegrass, perennial ryegrass, and fescue.

2. Ortho Weed B Gon Weed Killer for Lawns

• Best for: Broadleaf weeds.
• Why it’s great: This selective herbicide targets over 250 weed species, including dandelions, chickweed, and clover, while leaving grass unharmed. It’s rainproof within one hour and can be applied with a tank sprayer or Ortho’s Ready-to-Spray applicator.
• Grass types: Safe for northern and southern grasses.

3. Southern Ag Amine 2,4-D Weed Killer

• Best for: Tough broadleaf weeds.
• Why it’s great: With 2,4-D as the active ingredient, this product effectively eliminates tough weeds like plantain and spurge. It’s affordable and widely used by professional landscapers.
• Grass types: Safe for most grass varieties but avoid use on St. Augustinegrass unless otherwise directed.

4. Spectracide Weed Stop for Lawns

• Best for: Large lawns with diverse weeds.
• Why it’s great: This product offers both pre-emergent and post-emergent control, tackling existing weeds and preventing new ones. It’s also designed to work quickly, with visible results in just a few days.
• Grass types: Works well on northern and southern grasses.

5. Tenacity Herbicide

• Best for: Grassy and broadleaf weeds.
• Why it’s great: Tenacity is a professional-grade herbicide that’s highly effective against a wide range of weeds, including crabgrass and nimblewill. It’s also safe for many grass types when applied correctly.
• Grass types: Ideal for cool-season grasses like Kentucky bluegrass and tall fescue.

Tips for Effective Weed Control

To get the best results from your weed killer, follow these tips:

1. Read the Label: Always read and follow the manufacturer’s instructions to ensure proper application and safety.
2. Apply at the Right Time: For post-emergent products, apply when weeds are actively growing. For pre-emergents, apply before weed seeds germinate, usually in early spring.
3. Mow and Water Wisely: Avoid mowing or watering your lawn for at least 24 hours before and after application.
4. Spot Treat When Possible: Use targeted sprays for small weed patches to minimize chemical use and protect your lawn.
5. Monitor and Reapply: Persistent weeds may require multiple applications. Check the label for reapplication guidelines.

Choosing the right weed killer doesn’t have to mean compromising your lawn’s health. Products like Scotts Turf Builder, Ortho Weed B Gon, and Tenacity Herbicide provide effective weed control while keeping your grass safe and vibrant. Remember to follow proper application techniques and pair treatments with good lawn care practices for the best results. Say goodbye to weeds and hello to a healthier, greener lawn!