Cut out petal shapes from crepe paper as shown.
You can cut out several petals at a time, by folding over a sheet of crepe paper and cutting out a few petals simultaneously.
So that the petals will be in uniform size and shape and the process will go faster. After that make folds using handkerchief method.
It gives a realistic look to the petals. Make a center using same color of paper by fixing it to wire.
Take the flower center and tie the petals around it using thread. After the flower is finished wrap the wire with green tape. Your paper tulip is done. Arrange the flower according to your liking.