Is Preen Mulch Safe for Vegetables

Can it also be used in my vegetable garden? Preen is a pre-emergent herbicide that kills germinating seeds. It will not harm vegetable seedlings or kill established weeds.

Can I use Preen mulch in vegetable garden?

Preen is specifically designed for vegetable gardens, as it’s made from 100 percent corn gluten. In addition to being safe for veggie gardens, Preen can also be used on fruit and herb gardens, as well as flower beds, shrubs, and trees.

How toxic is Preen?

The main chemical in products such as Preen Garden Weed Preventer is trifluralin, which can irritate eyes and skin. It is harmful to fish and other aquatic life as well, and it should not be used near waterways, ponds, storm sewers or even driveway drains.