Granny stripe crochet stitch
US three-dc clusters alternate with spaces to make a flat granny stripe.
Counted practice swatch
Chain 18. Row 1: sc in second chain and across (17). This foundation is a multiple of 3 plus 2 actual stitches.
Work the repeat
Row 2: ch3 (counts as dc), dc in first stitch; [skip 2 sc, 3 dc in next sc] 5 times; dc in last sc (18 dc). Row 3: ch3, 3 dc in each of the 6 spaces between clusters, dc in top of ch3 (20 dc). Row 4: ch3, dc in first stitch; 3 dc in each of the 5 internal cluster spaces; 2 dc in top of ch3 (19 dc). Repeat rows 3–4.
Read the fabric
The alternating edge groups explain the changing dc totals. There are six working spaces in row 3 and five internal spaces in row 4; mark the top of the turning chain.