Preen Garden Weed Preventer Plus Plant Food - Prevents Weeds, Feeds

In this review the Preen Garden Weed Preventer Plus Plant Food is presented as a one-step solution for gardeners who want both weed control and plant nutrition without extra steps. The 31.3 lb. bag covers 5,000 sq. ft., and the main draw is convenience: it prevents new weeds for up to three months while delivering a balanced fertilizer that supports stronger roots, abundant blooms and higher yields. For anyone maintaining flower or ornamental beds, trees, shrubs or ground covers, this product promises to simplify spring through fall care with a single application.

Key Features

• Two-in-one formula: prevents new weeds and feeds plants in a single application so gardeners save time and effort.
• Long protection: a single application provides weed prevention for up to three months, reducing how often beds need treated.
• Balanced fertilizer: promotes abundant blooms, increased yields and strong root development for established plants.
• Wide compatibility: safe for use around over 200 established flowers, vegetables, trees and shrubs, making it versatile across garden areas.
• Large coverage: the 31.3 lb. bag covers approximately 5,000 sq. ft., making it practical for medium and larger gardens.
• Easy application: remove existing weeds, sprinkle evenly and water in, and the product can refill a flip-top applicator for simpler spreading.

Who It's For

The Preen Weed Preventer Plus is best for home gardeners with established flower beds, ornamentals, ground covers, trees or shrubs who want a low-effort seasonal treatment that combines fertilizing and weed prevention. It suits people who prefer to treat broad areas at once and value the convenience of a single application that lasts up to three months.

It is less appropriate for those needing immediate post-emergent weed removal or spot treatment of young seedlings; the product is intended as a preventer for new weeds rather than a cure for large existing infestations, so heavy manual weeding or a different targeted product may be required first.

Pros & Cons

Pros

• Combines weed prevention and balanced fertilizer to improve blooms and root health while cutting maintenance steps.
• Large 31.3 lb. bag covers 5,000 sq. ft., offering good value for treating sizable beds.
• Easy to spread and can be used with a flip-top applicator or by hand with the scoop for even coverage.
• Safe for use around a wide range of over 200 established plants, allowing use in mixed beds.

Cons

• Not an immediate weed killer; results vary and some users report mixed effectiveness in preventing all weeds.
• Requires existing weeds to be removed before application, so initial manual work may be needed.

Specifications

Product name	Preen Garden Weed Preventer Plus Plant Food
Net weight	31.3 lb.
Coverage	Covers 5,000 sq. ft.
Use season	Spring, summer, or fall
Primary benefits	Prevents weeds and feeds plants for up to three months
Safe around	Over 200 established flowers, vegetables, trees and shrubs

Our Verdict

The Preen Garden Weed Preventer Plus Plant Food is a strong choice for gardeners seeking convenience and combined weed prevention with fertilization; it offers large coverage and supports stronger roots and blooms. While not a cure for existing heavy weed problems, its ease of application and three-month prevention window make it good value for established beds and mixed planting areas.

Frequently Asked Questions

How long does one application last?
One application prevents new weeds and feeds plants for up to three months.

Can I use this around vegetables and flowers?
Yes, it is safe for use around over 200 established flowers, vegetables, trees and shrubs.

How should I apply it?
Remove existing weeds, sprinkle the product evenly over the area and water it into the soil; it can also refill a flip-top applicator for easier spreading.