Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Refill, 1.25 gal.
Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Refill, 1.25 gal.
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Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Refill, 1.25 gal.

4.6 stars out of 539 reviews
(4.6)|
539 ratings

Key item features

  • Long-Lasting Protection: Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer provides one-step weed protection for up to 12 months.
  • Effective Weed Control: Kills and prevents many types of tough weeds and grasses, including clover, dandelion, crabgrass, poison ivy, and other broadleaf and grassy weeds.
  • Quick Results: Rainproof in as fast as 30 minutes and produces visible results in hours.
  • Versatile Use: Ideal for use in cracks and crevices in driveways, sidewalks, walkways, patios, paths, under decks, gravel areas, and other non-lawn areas.
  • Easy Refill: The refill is a fast and easy way to replenish your Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer.
  • Coverage Area: One 1.25 gal. container treats up to 375 sq. ft.
  • Application Tip: To prevent new weeds and grasses, spray the entire area you want to control, not just the emerged weeds.
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Current price is $33.47$26.78/gl
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About this item

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Customer ratings & reviews

4.6 out of 5 stars
stars539 ratings248 reviews
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Reviews summary

Pros
  • : Kills weeds in driveway cracks and crevices.
  • : Controls weeds and vines in various yard sizes.
  • : Requires minimal effort for smooth application.
  • : Covers a good area easily.
  • : Features an extended length for easy application and coverage.
Neutral
  • : Can be a great value, but also feels overpriced to some.
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Showing 1-3 of 248 reviews

May 23, 2025
karls18_6547
5 out of 5 stars review

Kills poison ivy and tough brush fast—highly effec

[This review was collected as part of a promotion.] I've tried a few different products for poison ivy and tough brush, but this Roundup concentrate absolutely delivered. I mixed it as directed and applied it to a thick patch of poison ivy and overgrown vines that had taken over the back fence. Within a few days, everything started to wilt, and within a week it was completely dead. The application was easy with a sprayer, and the results were fast and effective. I also appreciated that it didn't require multiple treatments—one round did the job. Just be sure to wear gloves and follow the safety directions. This stuff works!

Review from influenster.com
Helpful?4WG4OCZDSD6E2601625098
Jun 10, 2025
heatherb310_459
5 out of 5 stars review

Works well

[This review was collected as part of a promotion.] Roundup Dual Action 365 Concentrate delivers strong, long-lasting results for anyone looking to eliminate tough weeds and keep them from coming back. It's especially useful for areas where you want total vegetation control, like driveways, gravel paths, fence lines, and patios. 💪 Powerful & Fast-Acting Within a few days of application, I noticed visible wilting and browning, even on stubborn weeds. After 1–2 weeks, most unwanted growth was completely dead. It's effective on both broadleaf weeds and grasses. 🛡️ Long-Lasting Prevention What sets this apart is the 12-month weed prevention. So far, after several months, treated areas are still weed-free—huge time-saver for maintenance. 🧴 Concentrate Offers Value The concentrate form is great for covering large areas and provides a better value if you don't mind mixing it yourself. Just be sure to follow dilution instructions carefully for best results. ⚠️ Things to Know • It's a non-selective herbicide, meaning it kills everything—so use with care near desirable plants. • Works best in dry, warm weather and may require reapplication in high-traffic or heavily watered zones. • Protective gear recommended during application (gloves, mask, etc.). ⸻ 💬 Final Verdict: If you need a strong, long-term solution for controlling weeds in areas where you want absolutely nothing to grow, Roundup Dual Action 365 is a solid choice. It's effective, economical in concentrate form, and holds up to its promise of season-long control. Great tool for serious yard maintenance!

Review from influenster.com
Helpful?4WG4OCZDSD6E2601625098
May 30, 2025
jenniferc12_240
5 out of 5 stars review

Works

[This review was collected as part of a promotion.] The packaging is good, it explains the instructions on the back and gives safety tips. The scent is strong so be careful because it is a strong chemical. It definitely works, it does the job as described.

Review from influenster.com
Helpful?4WG4OCZDSD6E2601625098