Preen Garden Weed Preventer – 16 lb Pail, Covers 2,560 sq ft

Overview

Preen Garden Weed Preventer is a granular soil treatment designed to interrupt weed life at the start. When spread over prepared planting beds and watered in, it forms a protective barrier that helps limit weed germination for up to three months. This means your flowers, vegetables, and ornamentals have more space to grow without the constant interruption of competing weeds.

Where to use

Use Preen in flower beds, vegetable gardens, ground covers, and the mulch around trees and shrubs. It is not intended for lawns. For best results, remove existing weeds before application so the product can focus on preventing new growth.

Key benefits

• Stops weeds before they start for up to 3 months
• Prevents new weeds from sprouting, reducing hand-weeding
• Safe for use around more than 200 established flowers, vegetables, trees and shrubs
• Includes an applicator scoop for easy measurement
• Apply anytime in spring, summer or fall
• Not for use on lawns
• Weed preventer does not kill existing weeds

How to use

Apply Preen during the growing season around established plants and transplants. Watering after application helps activate the barrier. It can be incorporated into soil when seeding vegetables or applied after mulching beds. For season-long coverage, reapply every 9–12 weeks.

Usage tips

• Spread evenly in prepared bed areas to create a uniform barrier
• Reapply every 9–12 weeks to maintain weed protection throughout the season

Notes

Preen should not be used on flower seeds and is not suitable for lawns. While it helps prevent new weeds, it does not eliminate existing weeds, so owners may still need to manage those plants manually.