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Garden Weed Preventer 5.6-lbs. 900-sq ft Pre-emergent Herbicide

Ratings & Reviews for Preen Garden Weed Preventer 5.6-lbs. 900-sq ft Pre-emergent Herbicide

4.6
1735
Review
 4.6 out of 5
1735 Reviews


95% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The product effectively prevents weeds from germinating and growing, significantly reducing the time and effort required for weeding. Key benefits include long-lasting weed control, easy application, and safety for use around existing plants. Many customers report great success and satisfaction with the product, describing it as essential for their gardening routine.

Customer review summary generated by AI, including incentivized reviews.
1735 Customer Reviews

Front yard weeds

Would Recommend

My weeds haven't grown back since April 2026. It creates like a shield so the weeds don't grow. I recommend and will use again.

August 29, 2026
Verified Purchaser
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Preen kills myrtle

Would Not Recommend

I applied Preen to a myrtle bed to hopefully prevent Japanese stilt grass from emerging. Killed my myrtle. I will have to have landscaper plant grass or cover with landscaping stones.

May 19, 2026

From preen.com

Great product

Would Recommend

When spring comes, I weed my garden with a weed pole, easy, pick up some big ones, plant my new annuals and apply preen. No weeds grow. After a few weeks I turn my soil a bit with my weed tool and apply again. I love it. I like a weed free garden bed.

May 31, 2025

From preen.com

Love Preen

Would Recommend

[This review was collected as part of a promotion.] I have used Preen for my flower beds for the last several years. I am elderly & cannot bend over to weed so this is a godsend. Last year I started using it in my vegetable garden. Since I only plant established plants it worked really well. Between using the preen & a muclh, my garden was a breeze to care for.

May 12, 2024

From preen.com

Wasted money

Would Not Recommend

Purchased your product for years and have never seen it work so poorly. I even reapplied and still am spending hours weeding my garden. It's either a bad batch or they're reformulated and it's now a bad product.

July 7, 2023

From preen.com

Response from CSR

We are sorry to hear of the surprising results experienced with our Preen Garden Weed Preventer product! This product will only prevent new weeds seed...

CSRJuly 10, 2023

Excellent Weed Preventer

Would Recommend

I'm a PNW flower gardener and Preen works! It is truly a back and knee saver! Every January I check my flower beds for emerging weeds and moss & pull them out or hoe. Then immediately sprinkle Preen all over the clean soil avoiding emerging spring flower bulbs such as tulips, daffodils, iris, peonies, etc. Preen keeps my flower, herb and veggie beds weed free, especially before Easter when the spring flower "show" blooms! Many people stop by to walk thru my garden and always ask how I keep weed...

February 8, 2023

From preen.com

Wilma's yard looks terrific

Have not used it yet but came recommended by my hairdresser. Her yard looks amazing.

August 17, 2022
Verified Purchaser
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It doesn't do any weeding

Would Not Recommend

It really don't do much weeding don't know about feeding yet

August 13, 2022
Verified Purchaser
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Response from Preen Customer Support

Preen Garden Weed Preventer will prevent new weeds seeds that are germinating this product does not contain fertilizer. We do stand behind our produc...

Preen Customer SupportAugust 15, 2022

preen

Weed preventer

I used it late after spring so it didn’t really work that well but I’m getting a jump on it next year so I purchased 2 more jugs, easy to use

August 12, 2022
Verified Purchaser
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