Weed Control Application monthly service April September (6 applications) $25 up to 1 gallon, $5 for each additional 1/2 gallon per/application. Application covers landscape beds, driveways, sidewalks and curb areas. Weeds that are only present at time of application will be killed. This is a topical application to the foliage of the plant and foliage must be present in order to eliminate the weeds.