Roundup Weed Barrier Granules
Where to Buy
| Retailer | Price | Last seen | Buy |
|---|---|---|---|
 Amazon 30-day returns (in store too) | $16.28 | Apr 3, 2025, may have changed | Buy Now |
 Instacart | $16.28 | Apr 3, 2025, may have changed | Buy Now |
 Walmart 90-day returns (in store too) | $16.28 | Apr 3, 2025, may have changed | Buy Now |
S SupremeDIY.com | $16.59 | May 21, 2023, may have changed | Buy Now |
S Shell Lumber and Hardware | $16.60 | Oct 5, 2022, may have changed | Buy Now |
Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026). Some products and categories have different terms, so check with the store before you buy.
Pros
- •Highly effective in preventing weed growth.
- •Successfully cleared areas previously covered in weeds.
- •Considered more environmentally friendly due to being based on corn protein.
- •Easy to use with intuitive instructions and ergonomic packaging.
- •Nozzle design allows for controlled dispensing and easy mixing with soil.
- •Some users report significant results with initial applications.
- •Works effectively even with landscape fabric installed.
- •Positive initial impressions with quick results.
Cons
- •Granules did not dissolve as expected, remaining solid in some areas.
- •Ineffective in controlling weeds in driveway cracks and certain conditions.
- •Required multiple applications without long-term success in some cases.
- •Questionable overall effectiveness, with some users reporting better results from other products.
- •Potential frustration due to perceived lack of value for time and money.
Bottom Line
Roundup Weed Barrier Granules for Weed Prevention shows promise with an environmentally friendly formula and ease of application. However, its effectiveness seems to vary greatly depending on conditions, and some users report continued weed issues. If you're looking for consistent, long-term results, it may require multiple applications or a combination with other solutions. Overall, it offers benefits in certain settings, but patience and precise application are key.
What Reviewers Are Saying
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Discussion
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