You make the circles the size you want the end flower to be. I just put a bead or a button in the middle and hot glued it to a hair clip. Then clipped it on a head band. And use No Fray on the fabric edges.
Hawaiian Flowers, tutorial over 4 posts from Sarah London starting here - sarahlondon.wordp... (hit older posts to get the 1st two rounds)
Really a fun design and an easy to do on the go use for yarn scraps!
crochet - looks like sc center spiral, then 12 chained petals that attach one row deep to see the color change. Flowers are surrounded by 6 flowers (creates diagonal), connected to two petals. Flowers added as you go.