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Preen Garden Weed Preventer - 5.625 lb. - Covers 900 sq. ft.

4.5 4.5 out of 5 stars 4,923 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Weed Killers by Preen

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5.625 lb
Weed Moss Control Agent

Purchase options and add-ons

Brand Preen
Item Weight 5.6 Pounds
Item Form Granules
Active Ingredients Trifluralin
Coverage 900 Sq. Ft.

About this item

  • Stop weeds before they start for up to 3 months, guaranteed
  • Safe for use around over 200 established flowers, vegetables, trees and shrubs
  • Flip-top applicator cap makes it easy to apply
  • Apply anytime in spring, summer or fall
  • Not for use on lawns

Customer ratings by feature

Easy to use
4.7 4.7
Easy to spread
4.6 4.6
Value for money
4.2 4.2

Frequently bought together

$13.99 ($0.16/Ounce)
Get it as soon as Sunday, Mar 31
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$32.29 ($0.13/Fl Oz)
Get it as soon as Sunday, Mar 31
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Ships from and sold by Amazon.com.
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Preen Garden Weed Preventer - 5.625 lb. - Covers 900 sq. ft.
Preen Garden Weed Preventer - 5.625 lb. - Covers 900 sq. ft.
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Price-44% $13.99
List:$24.99
-31% $12.79
List:$18.49
$92.99-18% $26.75
List:$32.49
-20% $40.97
List:$50.99
-13% $49.33
List:$56.99
Delivery
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it Mar 29 - Apr 2
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Customer Ratings
Easy to use
4.7
4.2
4.8
4.1
4.5
4.5
Value for money
4.2
4.0
4.2
3.6
4.0
3.6
Easy to spread
4.6
4.4
4.8
4.6
4.5
Sold By
Amazon.com
Amazon.com
WhoIsCamera
Amazon.com
Amazon.com
Amazon.com
coverage
900 Sq. Ft.
1000 square feet
Covers 2,500 sq. ft.
300 square feet
Covers 2,560 sq. ft.
2,245 sq. ft
form
Granules
Granules
Granules
Spray
Granules
Granule
weight
5.62 pounds
5.4 pounds
1 pounds
16 pounds
13.75 pounds

From the manufacturer

preen

Prevent Weeds in 4 Easy Steps for Up to 3 Months, Guaranteed

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preen

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Remove Existing Weeds

Remove any existing weeds, taking care to remove their roots. Preen garden products do not kill existing weeds, they prevent them.

Mulch the Area

A three-inch layer of mulch helps retain soil moisture, keeps soil temperature even and looks nice and tidy. Mulch also has preventative properties of its own, assisting Preen in keeping weeds away.

Apply Preen

Sprinkle Preen on top of mulch. Apply when the garden is dry so Preen granules won’t stick to wet plant leaves.

Water To Activate

After applying Preen, water the granules to release ingredient that forms an invisible barrier that blocks weeds beneath the surface.

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preen

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Prevent Weeds Around Flowers, Vegetables, Trees & Shrubs

This Preen product can be used around over 200 established flowers, vegetables, trees and shrubs as listed on the product label (see special section for use on vegetables).

Apply Anytime Weeds are Growing

Preen works best when applied in spring after spreading mulch on your flower and shrub beds before weeds start growing. If you forget to apply in early spring - no problem - this product can be applied anytime weeds are growing.

Prevents Weeds* for up to 3 Months

This Preen product blocks common broadleaf garden weeds such as chickweed, knotweed, purslane, and thistle, as well as grassy garden weeds like crabgrass, foxtail, and bluegrass for up to 3 months. *See use directions for complete list of treated weeds

Product information

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Preen Garden Weed Preventer - 5.625 lb. - Covers 900 sq. ft.


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Product Description

Product Description

Stop weeds before they start for up to 3 months, guaranteed

From the Manufacturer

Preen Garden Weed Preventer stops weeds from germinating in flower and vegetable gardens, in ground covers and around trees and shrubs. Although Preen will not kill existing weeds, it will prevent new weeds from sprouting - eliminating the need for difficult and time-consuming hand-weeding. Without weeds, your valuable plants can grow larger and stronger. Apply Preen Garden Weed Preventer anytime during the growing season around established plants and transplants. Preen should not be used on flower seeds. It can be used after flowering plants have germinated and are 2-3 inches tall. Preen may also be incorporated into the soil when seeding vegetables or applied after mulching beds. By applying Preen as early as possible, you can eliminate the need for hand-weeding. Rain does not wash this product out of the soil. To keep beds weed-free all season long, reapply Preen Garden Weed Preventer every 9 - 12 weeks.

Important information

Safety Information

Causes moderate eye irritation. Harmful if swallowed, inhaled or absorbed through the skin. Avoid contact with eyes, skin or clothing. Users should remove clothing immediately if pesticide gets inside. Then wash thoroughly and put on clena clothing. Prolonged or frequently repeated skin contact may cause allergic reactio in some individuals. Wash hands before eating, drinking, chewing gum, using tobacco or using the toilet.

Directions

To avoid plant injury, do not apply Preen Garden Weed Preventer when foliage is wet. When plants are dry, sprinkle this product on soil surface at rate given below for your specific planting situation. Once activated by watering or soil incorporation, it forms a weed control barrier in the top layer of soil, preventing weed seeds from germinating. Disturbance to the soil surface after activation may result in erratic weed control.

Customer reviews

4.5 out of 5 stars
4.5 out of 5
4,923 global ratings

Customers say

Customers like the value, quality and ease of use of the weed moss control agent. They mention that it's well worth the investment, works well and is easy to apply.

AI-generated from the text of customer reviews

301 customers mention234 positive67 negative

Customers like the quality of the weed moss control agent. They say it's effective in controlling weeds, works well for their garden, and is great value for money. Some say it works immediately and prevents seeds from germinating.

"Use it every few months to keep weeds down. Works great and good price!" Read more

"...or after transplanting tomatoes or peppers (and others) and weeds will be minimal. I think it is a great product." Read more

"Great value and works well for garden" Read more

"I use this every spring in our rock gardens to control weeds. Works very well." Read more

75 customers mention61 positive14 negative

Customers like the value of the weed moss control agent. They say it's well worth the investment, saves money, and is a terrific product.

"Use it every few months to keep weeds down. Works great and good price!" Read more

"Great value and works well for garden" Read more

"good price" Read more

"Great price and Results!!" Read more

30 customers mention30 positive0 negative

Customers find the weed moss control agent easy to use. They mention it's easy to apply and better than spraying after they sprout.

"Easy to use but you need some experience knowing the proper amount to put down...." Read more

"...Will update if anything changes.The canister is easy to use...." Read more

"Easier than spraying after they sprout" Read more

"Definitely worth the money to slow your weeds from popping up. Easy to use and does what it says." Read more

9 customers mention9 positive0 negative

Customers like the versatility of the weed moss control agent. They say it's great for decorative mulch areas, and makes the grass nice and green. Some say that it helps keep their beds clean-looking with a minimum of effort.

"...This is the second year I’ve used it religiously and…..we’ve never had nicer flower beds….." Read more

"...My landscaping is always beautiful. Everyone asks, "How do you manage to keep all that landscaping free of weeds?" My answer----PREEN...." Read more

"...times I am to use it just know that what I do is working and my flowers are gorgeous and weeds be gone. I highly recommend this product...." Read more

"Don't use with edibles, but great stuff for flower beds. Try to put it down when it is going to rain or mulch to protect the birds." Read more

11 customers mention7 positive4 negative

Customers are mixed about the durability of the weed moss control agent. Some mention that it lasts approximately 3 months and kills all summer long, while others say that the bag cracks easily, arrived in too large a box, and broke open. The packaging is fragile and the strength declines with age. Some say that it was not packaged properly and the bag was compromised. Overall, opinions are mixed and depend on individual preferences.

"...This stuff really helps and it does last about three months as stated. I bought it again to spread before winter, when I do not want to pull weeds...." Read more

"Works well although it doesn't last quite as long as the label indicates...." Read more

"...Once you apply the product it will last approximately 3 months which is great." Read more

"Easily spread effective weed preventative. Lasts longer than most other treatments." Read more

Weeds Take Notice!
5 Stars
Weeds Take Notice!
This stuff works!!! I have several flower beds in our yard that were here from the previous home owner. When we bought the house 5 years ago they were all pristine and perfectly manicured. Since then I have been fighting an endless battle with weeds as they start to make their presence known, a bit more each year. So last year my brother in law told me about Preen and I went to work. This is the second year I’ve used it religiously and…..we’ve never had nicer flower beds…..
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Top reviews from the United States

Reviewed in the United States on March 15, 2024
Size: 5.625 lbPattern Name: Weed Moss Control AgentVerified Purchase
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Reviewed in the United States on March 13, 2024
Size: 22 lbPattern Name: Weed Moss Control AgentVerified Purchase
Reviewed in the United States on March 16, 2024
Size: 5.625 lbPattern Name: Weed Moss Control AgentVerified Purchase
Reviewed in the United States on February 26, 2024
Size: 5.625 lbPattern Name: Weed Moss Control AgentVerified Purchase
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Reviewed in the United States on March 22, 2024
Size: 5.625 lbPattern Name: Weed Moss Control AgentVerified Purchase
Reviewed in the United States on October 12, 2023
Size: 5.625 lbPattern Name: Weed Moss Control AgentVerified Purchase