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Preen
Preen Weed Preventer Plus Plant Food
Lowest at Amazon
$34.76 at AmazonLowest at any Popular Retailer
$34.76 at AmazonWhere to Buy
Prices last updated: August 28th 2026 9:45 pm
Pros
- •Effective at preventing weeds from taking root if applied before they appear
- •Comes with a useful scoop for easy application
- •Includes a reusable lid, making storage convenient
- •Contains fertilizer, promoting healthier plants and better garden growth
- •Easy to sprinkle over exposed areas with minimal effort
- •Suitable for fall and winter fertilization, extending its usefulness yeaound
- •Performs reliably and meets expectations, according to several reviews
- •Better value compared to natural alternatives like corn gluten in cost and results
- •Weluited for large yards and extensive weed control needs
- •Can be used in conjunction with mulch for improved garden health
Cons
- •Does not kill existing weeds, only prevents new growth
- •Needs to be applied *before* weeds germinate; ineffective against established weeds
- •Requires multiple applications over several months for larger areas
- •Some users report it seems to fertilize weeds rather than eliminate them
- •Does not address current weed infestations, leading to frustration if weeds are already present
- •Overall performance is average without standout features
- •Followed instructions precisely but saw no weed control benefits in some cases
- •Effectiveness can be limited if not applied early enough in the growing season
Bottom Line
For those looking to stop weeds *before* they sprout, this product offers a solid, convenient option that also feeds your plants. However, if you’re dealing with existing weeds or want quick eradication, you might want to consider a product specifically designed to kill weeds upfront. Since it performs best as a preventive measure and enhances plant health, it’s ideal for early-season garden prep and ongoing fertilization.
What Reviewers Are Saying
Praised
keeps weeds away15%
good for fall and winter5%
works great for small areas5%
healthy plants with less weeds5%
eliminated all my weeds5%
Criticized
doesn't work at all20%
makes things worse5%
product needs better sealing5%
📚More About Preen Weed Preventer Plus Plant Food
Discussion
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