Tree of heaven (Ailanthus altissima) is a menace to residential and commercial properties, neighborhoods, wild areas and our ecosystem. If you have some on your property that are too big to dig out (make sure to get all root fragments and let it dry out completely on your driveway or some other paved surface before disposing of it), we’re still in the treatment window. Research the best approach for you, purchase the chemicals and get on it. Mature trees can produce several hundred thousand seed