Skill Level: Easy Materials: This flower can be worked with any weight of yarn. Finer weights will create a smaller flower, and bulkier weights will create a larger flower. Use the hook size appropriate for the yarn you choose. We used: Worsted Weight yarn and a size H-8 (5.00 mm) hook. Abbreviations: ch (chain) slst (slip stitch) sc (single crochet) hdc (half double crochet) dc (double crochet) tr (treble crochet) Special Stitches: Picot: Ch3, slst in 3rd ch from hook.