When quilting, backstitching is not always necessary but can be beneficial in certain situations. Backstitching involves sewing a few stitches in reverse at the beginning and end of a seam to secure the thread in place.
Backstitching is commonly used when sewing seams that will experience a lot of stress or tension, such as those in quilt bindings or areas that will undergo heavy use. By backstitching, you reinforce the seam and prevent it from unraveling or coming undone over time.
However, in other areas of quilting where the seams will not be subjected to as much stress, backstitching may not be required. For example, when piecing together quilt blocks or sewing decorative stitches, backstitching may not be necessary as long as the seam is securely tied off at the beginning and end.
Ultimately, the decision to backstitch when quilting depends on the specific project, the type of seam, and the desired durability. It is always a good idea to consult quilting resources, such as quilting books, websites, or experienced quilters, to determine whether backstitching is recommended for your particular quilting project.