Every home owner dreams of the day that he has the best looking lawn in the neighborhood. The fastest way to the greenest grass is the right lawn fertilizer. Nothing defines the best looking lawn more than vibrant green grass that is weed free. Believe it or not having this type of grass isn't all the difficult, nor does it require the expensive lawn care service you might expect. Choosing the right lawn fertilizers and using it at the right time is critical to your success. There are several parameters that need to be in check to ensure your lawn is healthy.