Ratings & Reviews for Preen Extended Control Weed Preventer 21.45-lbs. 3500-sq ft Pre-Emergent Herbicide
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this product for exceptional weed prevention, with most reporting near-complete elimination of weeds in flower beds and landscaping areas. Many note seeing no new growth for weeks or months after application, with the extended control version singled out as especially effective. Reviewers consistently highlight how easy it is to apply using the included scoop and shake bottle design, requiring no special tools or effort. Strong loyalty emerges, with many customers stating they've used it for years and will continue indefinitely. A few report inconsistent results, but these concerns are vastly outnumbered by positive experiences.
Customer review summary generated by AI, including incentivized reviews.Preen
I bought this last week and applied it do i have no idea yet if it works at all. I have used it before and it must have worked because we bought it again.
From Extended Control Weed Preventer 4.93-lbs. 805-sq ft Pre-Emergent Herbicide Verified Purchaser
Hoping it stops the crabgrass
I just purchased this so I can't say how well it works. It is very easy to use.
From Extended Control Weed Preventer 10-lbs. 1630-sq ft Pre-Emergent Herbicide Verified Purchaser
Isn’t effective
Would Not RecommendI bought this a few weeks ago, pulled/removed weeds. Applied like the instructions said. Product doesn’t appear to be working
From Extended Control Weed Preventer 4.93-lbs. 805-sq ft Pre-Emergent Herbicide Verified Purchaser
Keeps weeds out!
Preen is excellent for keeping new weeds from growing! I use it every year in my flower garden!
From Extended Control Weed Preventer 4.93-lbs. 805-sq ft Pre-Emergent Herbicide Verified Purchaser
Wouldn't use anything else, regardless of price
Would RecommendFrom Extended Control Weed Preventer 4.93-lbs. 805-sq ft Pre-Emergent Herbicide Verified Purchaser
Reliable control of fast growing weeds
Would RecommendThe product worked great
From Extended Control Weed Preventer 4.93-lbs. 805-sq ft Pre-Emergent Herbicide Verified Purchaser
Thank you for your review! We are very sorry to hear that the Preen Garden Weed Preventer did not work as you had expected it to. We do stand behind ...