Corn gluten is a natural pre-emergent herbicide to help control annual lawn and garden weeds. Corn gluten prevents a majority of annual weed seeds from sprouting. The dry corn gluten is also a fertilizer containing 9% nitrogen. The liquid form is very convenient, employing a hose end attachment on the bottle for easy application, but does not provide the fertilizing component. Timing is the most important factor in the effectiveness of corn gluten. Corn gluten must be present on the soil before weed seeds sprout (germinate) in order to be effective. Apply corn gluten in late winter and late summer/early fall: Mid-January – This application of corn gluten helps control spring and summer weeds, such…