Yarrow, also known as Achillea millefolium, is a perennial herb that can become invasive if left unchecked. It thrives in sunny areas and can spread quickly, competing with desirable plants in your garden or lawn. If you’re dealing with an overgrowth of yarrow, it’s essential to find a weed killer that will specifically target this stubborn weed without harming your other plants. In this article, we will explore the best weed killers for yarrow and provide helpful tips on how to use them effectively.

Yarrow’s resilience makes it a challenging weed to control, as it has deep roots and can tolerate a variety of environmental conditions. To effectively kill yarrow, you need a herbicide that can penetrate its tough foliage and reach its roots. Below are ten of the best weed killers for yarrow, each with specific features to help you control this persistent weed.

Best Weed Killers for Yarrow

1. Roundup (Glyphosate)

Roundup (Glyphosate) is a non-selective herbicide that can effectively kill yarrow by targeting the plant’s leaves and roots. This product works by absorbing through the foliage and moving down to the roots, killing the plant completely.

Roundup is ideal for areas where you want to completely eliminate yarrow, but it must be used with care to avoid damaging other plants nearby. Apply it during the growing season when yarrow is actively growing for the best results.

When using Roundup for yarrow weed control, ensure you follow the manufacturer’s instructions for safe and effective application. Be careful to avoid spraying desirable plants as Roundup is non-selective and can harm other vegetation.

2. Preen Weed Preventer

Preen Weed Preventer is an effective option for preventing yarrow from sprouting in the first place. It creates a barrier that prevents seeds from germinating, helping to stop the spread of yarrow.

This product works best when applied early in the growing season, before yarrow has a chance to establish itself. By preventing new seeds from sprouting, Preen helps you maintain a yarrow-free garden.

Preen Weed Preventer is a great option for homeowners looking to take a proactive approach to yarrow control. It helps reduce the need for more aggressive treatments later in the season.

3. Ortho Weed B Gon

Ortho Weed B Gon is a selective herbicide that specifically targets broadleaf weeds like yarrow without harming your grass. It is ideal for lawns where you need to eliminate yarrow without affecting other plants.

This weed killer works by targeting the weed’s root system, effectively stopping yarrow from regrowing. It’s a great choice for lawn care, providing effective yarrow control in grassy areas.

For best results, apply Ortho Weed B Gon during the active growing season when yarrow is most vulnerable. It’s highly effective for both residential and commercial lawns.

4. Spectracide Weed Stop

Spectracide Weed Stop is a selective herbicide that targets yarrow and other common weeds. It’s designed to kill weeds down to the root, preventing them from re-growing.

Spectracide is ideal for use in lawns, gardens, and flower beds where you need to target yarrow without harming surrounding plants. Its fast-acting formula delivers visible results in just a few days.

Apply Spectracide Weed Stop to actively growing yarrow for the most effective results. Follow the manufacturer’s guidelines for application timing and safety.

5. Bonide Weed Beater

Bonide Weed Beater is a powerful selective herbicide that effectively kills yarrow and other broadleaf weeds. It works fast, often starting to show results within hours of application.

Bonide Weed Beater is perfect for use in lawns and gardens where you need to get rid of yarrow without damaging surrounding plants. The product penetrates the weed’s leaves and kills it at the root for lasting control.

To ensure the best results, apply Bonide Weed Beater when yarrow is actively growing and follow the instructions carefully for optimal weed control.

6. Green Gobbler Vinegar Weed Killer

Green Gobbler Vinegar Weed Killer is a natural, non-toxic alternative that uses vinegar and citric acid to kill yarrow. This solution works by drying out the plant and causing it to die off.

Green Gobbler is eco-friendly and safe for use around pets and children, making it a great option for families who want to avoid chemicals in their yard. However, it may require multiple applications for persistent weeds like yarrow.

Apply Green Gobbler Vinegar Weed Killer directly to yarrow leaves on a sunny day for the best results. Reapply as needed to completely eliminate the weed.

7. Natural Armor Weed & Grass Killer

Natural Armor Weed & Grass Killer is a natural, non-toxic herbicide that works well against yarrow and other broadleaf weeds. It is a fast-acting solution that kills weeds by dehydrating the plant.

This herbicide is safe for use around pets and children, making it a popular choice for families. However, multiple applications may be needed for stubborn yarrow infestations.

For best results, apply Natural Armor when yarrow is young and actively growing, and reapply as necessary to prevent regrowth.

8. Safer Brand Weed Killer

Safer Brand Weed Killer is another natural weed killer that is effective against yarrow. It uses clove oil to destroy the plant cells, preventing regrowth.

Safer Brand Weed Killer is an eco-friendly solution that is safe for families and pets, making it ideal for use in areas where children and animals play.

Although effective, it may require multiple treatments for persistent weeds like yarrow. Apply it directly to the plant’s foliage for optimal results.

9. Glyphosate-Free Weed Killer

Glyphosate-Free Weed Killer is a natural, herbicidal solution that targets yarrow effectively. It uses a blend of natural ingredients that work by stripping away the plant’s waxy coating, causing it to dehydrate and die.

This product is great for those who want to avoid glyphosate-based chemicals but still need to control yarrow. It is safe for the environment and effective in killing a range of weeds.

For best results, apply Glyphosate-Free Weed Killer to actively growing yarrow, and reapply as necessary to achieve complete control.

10. EcoGarden Organic Weed Killer

EcoGarden Organic Weed Killer is an all-natural weed killer made from organic ingredients. It is a great option for controlling yarrow without the use of synthetic chemicals.

This product works by breaking down the plant’s cellular structure, ultimately causing it to die. It is effective in killing yarrow and other weeds without harming the surrounding environment.

Apply EcoGarden Organic Weed Killer directly to yarrow leaves, and reapply as necessary for optimal results.

Buyer’s Tips for Yarrow Weed Killer

• Read Instructions: Always read and follow the manufacturer’s instructions for best results when using Yarrow Weed Killer.
• Timing is Key: The best time to apply Yarrow Weed Killer is during the active growing season when yarrow is most vulnerable.
• Target the Roots: Ensure that the Yarrow Weed Killer you choose can reach the plant’s root system for complete control.
• Environmental Safety: Choose a Yarrow Weed Killer that is safe for the environment if you are concerned about the impact of chemicals.
• Repeat Applications: Yarrow may require multiple treatments with your chosen Yarrow Weed Killer for complete eradication.
• Selective Herbicides: If using a Yarrow Weed Killer in your lawn, select a product that targets yarrow without damaging grass.
• Protect Other Plants: Be careful to avoid spraying desirable plants when using a Yarrow Weed Killer to prevent accidental damage.

Conclusion

Yarrow is a resilient weed, but with the right herbicide, it can be controlled effectively. Whether you prefer chemical or organic options, the 10 products listed above offer a range of choices for managing yarrow in your garden or lawn. Be sure to follow the manufacturer’s instructions for best results and take care when applying herbicides to avoid harming other plants. Remember that consistent application and proper timing are key to keeping your garden yarrow-free.