Preen Extended Control Weed Preventer 21.45-lbs. 3500-sq ft Pre-Emergent Herbicide
Item #3808544 |
Model #2464239
We'll notify you once this item is back in stock.
1 Application blocks weeds up to 6 months guaranteed (see product label for details)
When used as directed Preen Extended Control Weed Preventer can be used around more than 600 perennials, ground covers, shrubs and trees as listed on the product label
Can be sold as a refill for flip-top applicator
Not intended for use on flower seeds, lawns, vegetable gardens, water gardens or other food-producing or edible plants
Not available for sale in NY
Covers 3,500 sq ft
General | |||
|---|---|---|---|
Maximum Duration of Effectiveness (Days) | 180 | Series Name | Extended Control Weed Preventer |
Application Season | All season | Area of Use | Garden |
Pre-Emergent | Yes | Concentrated | No |
Type | Herbicide | Primary Usage | Weed preventer |
Application Method | Shaker bottle | ||
Dimensions | |||
|---|---|---|---|
Size | 21.45-lbs. | Maximum Coverage Area (Sq. Feet) | 3500 |
Features | |||
|---|---|---|---|
Recommended for Crabgrass | Yes | Recommended for Brush | No |
Recommended for Moss | No | Contains Glyphosate | No |
Recommended for Algae | No | Delivery System | Granules |
Recommended for Poison Ivy | No | Organic | No |
Recommended for Poison Oak | No | Rain Resistant | Yes |
Recommended for Tree Stumps | No | Ready to Use | Yes |
Recommended for Nutsedge | No | Lowe's Exclusive | No |
Recommended for Dandelions | Yes | Odorless | No |
Recommended for Chickweed | Yes | Natural | No |
Recommended for Vines | No | ||
Certifications | |||
|---|---|---|---|
CA Residents: Prop 65 Warning(s) | No | EPA Registration Number | 961-421 |
OMRI Listed | No | ||
Warranty | |||
|---|---|---|---|
Warranty | None | ||
Compatibility | |||
|---|---|---|---|
For Use Around Trees | Yes | For Use in Flower Beds | Yes |
For Use Along Fences | No | For Use in Vegetable Gardens | No |
Miscellaneous | |||
|---|---|---|---|
UNSPSC | 10171700 | ||
Check out the Best Selling Weed Preventers on Lowes.com
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.Isn’t effective
I 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
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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 ...