Traditional crochet blankets often feature a pattern called the Granny Square. This pattern actually dates back to the early according to Yarnaholic Confessions. Women used to save scraps of material and sew them into squares.
The Crochet Box Stitch really comes into its own when worked in rows of graduating colors, or in alternating colors. From baby blankets to Ponchos, Afghans, and pillowcases, there's not much you cannot create using crochet box stitches.