Pros
Blocks weeds for up to 6 months.
Easy application with flip-top cap.
Suitable for various plants and areas.
Cons
Possibility of not working.
Tech specs
product dimensions | 4.75 x 8.5 x 11.5 inches |
item weight | 4.93 pounds |
customer reviews | 4.5 4.5 out of 5 stars 6,709 ratings 4.5 out of 5 stars |
department | Unisex-Adult |

Product Overview
If you are looking for an effective way to reduce weeds in your garden, then look no further than Preen Extended Control Weed Preventer. As a professional reviewer who has tested numerous products, this one stands out head and shoulders above the rest. It is easy to use, easy to spread, and offers great value for money.
Preen Extended Control Weed Preventer is designed to block weeds up to six months guaranteed, when used as directed. This product is intended for use around more than 600 perennials, ground covers, shrubs and trees as listed on its label. The flip top applicator cap makes it extremely easy to apply, and it covers 805 sq. ft., which makes it ideal for large gardens.
Another great feature of Preen Extended Control Weed Preventer is that it can be used on many types of plants such as perennials, ground covers, shrubs and trees. However, it is not intended for use on flower seeds, lawns, vegetable gardens or other food producing or edible plants. Additionally, this product is not available for sale in New York State.

In terms of ease of use and application, this product gets top marks from me. Not only does the flip top applicator cap make it simple to apply the product evenly over the area you wish to treat but also using this product was very straightforward. The instructions were clear and I found myself easily able to achieve good coverage without any mess or hassle.
When it comes to value for money, I think Preen Extended Control Weed Preventer offers great value for money considering what you get for your money an effective weed killer that lasts up to six months when used as directed . Additionally, the fact that it can cover 805 sq ft means you can get the most out of your purchase by treating a large area with just one application.
Overall this is a great product that I would highly recommend to anyone looking for an effective way to reduce weeds in their garden or landscaping area without having to constantly reapply weed killers throughout the season. Preen Extended Control Weed Preventer is easy to use and apply and delivers excellent results with minimal effort plus its long lasting effects are sure to save you time and energy in the long run!
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- What can this product be used for?
- What is the coverage area?
- Is it easy to use?
- Can this product be used in vegetable gardens?
- Is this product available for sale in New York?
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