This pattern is like garter stitch but bigger; it has three rows of knit or purl for every row of knit or purl in garter stitch. It creates ridges (purl rows) and furrows (jersey rows).
Shown with a cast-on count of 2 stitches.
1 2 3 4 5 Horizontal repeats
1 2 3 4 5 Vertical repeats