You can choose any yarn you like to crochet this flower. Just to give you an idea of the size, with cotton thread size 10 and a 2 mm crochet hook, the flower is going to be about 4,5 cm (1,77 inches) in diameter.
You will also need a needle to weave in loose ends and a pair of scissors.
Make a magic ring.
- Round 1: Ch 1, sc in the ring, (ch 8, sc in ring) 5 times, pull the thread end to tighten the ring, ch 8 and join with sl st in first sc.
- Round 2: * Ch 4, dc in ch-8 sp, ch 3 and sl st in 3rd ch from hook, dc in same ch-8 sp, ch 4, sl st in sc; repeat from * around.
Fasten off and weave in loose ends.
Find a bigger flower in this tutorial: Crochet Flower Urania.