Preen Extended Control Weed Preventer - 10 lb. Bag - Covers 1,630 Sq. ft.
Preen Extended Control Weed Preventer - 10 lb. Bag - Covers 1,630 Sq. ft.
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Preen Extended Control Weed Preventer - 10 lb. Bag - Covers 1,630 Sq. ft.

270 ratings

Key item features

  • Long-Lasting Protection: 1 application blocks weeds for up to 6 months, ensuring a weed-free garden all season long.
  • Wide Compatibility: Safe for use around more than 600 types of perennials, groundcovers, shrubs, and trees as listed on the product label.
  • Refill Option: Can be sold as a refill for the flip-top applicator, providing convenience for continuous use.
  • Specific Use: Not intended for use on flower seeds, lawns, vegetable gardens, water gardens, or other food-producing or edible plants.
  • Coverage Area: A 10 lb. bag covers up to 1,630 sq. ft., making it suitable for large garden areas.
  • Effective Weed Control: Prevents 125 broadleaf and grassy weeds from sprouting, reducing the need for time-consuming weed pulling.
  • Regional Availability: Not available for sale in New York, ensuring compliance with regional regulations.
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Customer ratings & reviews

4.6 out of 5 stars
stars
270 ratings219 reviews
How item rating is calculated
  1. 5 stars76% (204)
  2. 4 stars16% (42)
  3. 3 stars4% (11)
  4. 2 stars1% (2)
  5. 1 star4% (11)

Reviews summary

Pros

  • : Requires minimal effort to spread and use.
  • : Prevents weed growth for several weeks or months.
  • : Prevents weed growth in and around flower beds.
  • : Has a subtle or no scent.
  • : Directions are easy to understand and follow.
  • : Prevents new growth and kills existing weeds.
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Showing 1-3 of 219 reviews

Oct 7, 2026
Reviewer name: Tammy
Item details
Size: 10 lbs
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Preen works great at delaying weeds for months. I use it every season and it definitely makes a an improvement. Thank you Walmart for the fast shipping!

Helpful?3J27S9RXBVK9924067165
May 17, 2025
Reviewer name: Brenda
Item details
Size: 10 lbs
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

sent wrong item

I love the extended release but unfortunately they sent me crabgrass control. I was getting ready to apply and found that I didn't have the right stuff.

Helpful?3J27S9RXBVK9924067165
Sep 21, 2026
Reviewer name: Georgie
Item details
Size: 10 lbs
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

It works great!

After a season of using the Preen Extended Control Weed Preventer, I can tell you it works! I used it in my rock beds and landscape beds, and 95% of my having to weed is gone! Just be sure to follow the instructions. Easy to use. Highly recommend!

Helpful?3J27S9RXBVK9924067165
Current price is $36.48$3.65/lb
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  • Free Holiday returns until Jan 31
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