Preen® Natural Vegetable Garden Weed Preventer spreader Fungus Gnats

Fungus Gnats

Trusted by many professional growers as a tool to fill out a blooming container

A bonus with whole grain mash: its ability to ferment for better digestibility and improved hydration

and butterflies

Preen® Natural Vegetable Garden Weed Preventer spreader Fungus GnatsUse the natural weed control in your fruit, vegetable, herb, and landscape beds anytime during the growing season to save time from back breaking weeding. Preen Natural Vegetable Garden Weed Preventer is formulated to control some of the toughest weeds, like clover, bluegrass, crabgrass, foxtail, lambsquarters and plantain. Because it's 100% natural, you don't have to worry. Just sprinkle around established vegetables, herbs, and fruits once a month