Preen Extended Control Weed Preventer - 4.93 lb. Bottle - Covers 805 sq. ft.
Preen Extended Control Weed Preventer - 4.93 lb. Bottle - Covers 805 sq. ft.
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Preen Extended Control Weed Preventer - 4.93 lb. Bottle - Covers 805 sq. ft.

4.5 stars out of 389 reviews
(4.5)|
389 ratings
Preen Extended Control Weed Preventer - 4.93 lb. Bottle - Covers 805 sq. ft.Preen Extended Control Weed Preventer 4 93 lb Bottle Covers 805 sq ft
Size:4.93 lbs

Key item features

  • Long-Lasting Protection: One application blocks weeds for up to 6 months, ensuring a weed-free garden all season long.
  • Prevents Weed Growth: Effectively stops weed seeds from sprouting, eliminating the need for time-consuming weed pulling.
  • Easy Application: Features a flip-top applicator cap for simple and even distribution of the product.
  • Wide Coverage: A 4.93 lb. bottle covers up to 805 sq. ft., making it suitable for large garden areas.
  • Versatile Use: Safe for use around more than 600 types of perennials, groundcovers, shrubs, and trees as listed on the product label.
  • Application Instructions: Remove existing weeds, sprinkle the product evenly over the garden area, and water it into the soil for best results.
  • Usage Restrictions: Not intended for use on flower seeds, lawns, vegetable gardens, water gardens, or other food-producing plants.
  • Regional Availability: Note that this product is not available for sale in New York.
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Current price is Now $21.95
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was $29.99
$4.45/lb
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About this item

Product details

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Customer ratings & reviews

4.5 out of 5 stars
stars389 ratings254 reviews
How item rating is calculated
  1. 5 stars75% (293)
  2. 4 stars14% (54)
  3. 3 stars4% (17)
  4. 2 stars2% (8)
  5. 1 star4% (17)

Reviews summary

Pros
  • : Simple to use with minimal effort.
  • : Effective for large yards with minimal effort.
  • : Has a subtle, non-overpowering smell.
  • : Prevents weed growth around flowers and gardens.
  • : Prevents new weeds from growing.
Neutral
  • : Offers competitive pricing, but can be expensive for some.
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Showing 1-3 of 254 reviews

Feb 26, 2026
Sheila
Top Reviewer
Item details
Size: 4.93 lbs
5 out of 5 stars review

Verified Purchase

Preen and no weeds seen.

It's over priced. Not just a Wal Marr but everywhere. Good product works fairly well but does not prevent all weed growth. Been using it for a number of years with about 70% reliability.

Helpful?4UOHO74S83R5365505339
Apr 10, 2018
Th33th33
5 out of 5 stars review

Easy to use

[This review was collected as part of a promotion.] This weed preventer is perfect for anyone to use because it is easy to use and you don't have to be professional to use it. It lasts up to 6 months which is amazing and the large quantity that lasts long enough. Perfect for any home owner and you can see effects fast. I really recommend it

Review from preen.com
Helpful?4UOHO74S83R5365505339
Oct 18, 2025
Kathy
Item details
Size: 4.93 lbs
5 out of 5 stars review

Verified Purchase

There are no weeds here!

I used this for the first time and was surprised at how well it kept the weeds down. I liked it so much I purchased more and used it in other areas. Great product!

Helpful?4UOHO74S83R5365505339