Looks like you could easily increase the size if you wanted it larger for a scarf or something. you just keep your circle making math in mind for the stitch count. then increase the center and the scallop
Crochet Flower Stitch Free Patterns: crochet inline tulip stitch, open work flower stitch, rosebud stitch, and more inline flower pattern
Crochet Bead Flower Lace Cord Free Pattern [Video] - I think this would make a fantastic garland strand to put on a Christmas tree
Roses Cross Stitch Tablecloth with Pulled Thread Work & Tatting .