How To Fertilize Your Garden. When we think of how we want our garden to look and feel, we often have pictures in our heads of vegetables and herbs at harvest that is more than we had ever hoped for. And for the most part, that is not an unrealistic expectation, but there are some things that we need to do so that we can turn that image into reality. One of those things is to fertilize our garden consistently and correctly. Maybe your don’t know exactly how to fertilize your garden? That is ok because we are going to go over everything that you will need to do to fertilize your garden correctly so that your plants get all of the nutrition that they want and need, but not so much that we actually cause damage to our crops.