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  Products >> Gardens >> Preen Garden Weed Preventer - How it Works
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Preen Garden Weed Preventer How it Works
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Preen Garden Weed Preventer prevents summer and winter annual weeds from growing in flower and vegetable beds and around trees and shrubs for up to three months. For lawn weed control, see the products listed under Lawns. Without weeds competing for sunlight, nutrients, and space, your plants will grow larger and stronger.

Preen Garden Weed Preventer prevents new weeds from growing, it does not kill existing weeds. Preen Garden Weed Preventer works by creating a chemical barrier in the top 1 to 2 inches of the soil that prevents cell division in developing weed seeds.

Weed Seeds Weed Seeds Weed Seeds

The Preen Garden Weed Preventer chemical attaches to the soil particles.

Preen Garden Weed Preventer sets up a weed control zone in the top inch of the soil surface where most weed seeds germinate. The Preen Garden Weed Preventer chemical interferes with the cell division process in the root tip of the weed seeds.

Preen Garden Weed Preventer causes the weed seedling to die before you ever see it emerge from the soil surface.

 

 
 
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