Start with a magic ring
R1: work 6 sc into the magic ring, 1 ss, 1 ch. [6]
R2 – R3: 6 sc in each round, 1 ss, 1 ch. [6]
R4: (2 sc in next st)* 6 times, 1 ss, 1 ch. [12]
R5: (1 sc, 2 sc in next st)* 6 times, 1 ss, 1 ch. [18]
R6: (1 sc, 2 sc in next st, 1 sc)*6 times, 1 ss, 1 ch. [24]
R7: (3 sc, 2 sc in next st)* 6 times, 1 ss, 1 ch. [30]
R8: (2 sc, 2 sc in next st, 2 sc)*6 times, 1 ss, 1 ch. [36]
R9: *(5 sc, 2 sc in next st)* 6 times, 1 ss, 1 ch. [42]
R10: (3 sc, 2 sc in next st, 3 sc)* 6 times, 1 ss, 1 ch. [48]
R11: (7 sc, 2 sc in next st)*6 times, 1 ss, 1 ch. [54]
R12: working in front loops only: {1 ch, sk 1, (in the same st: 2 flodc in one st, 3 ch picot st, 2 flodc in same st); 1 ch, sk 1, 1 floss} * 13 times, 1 ss, 1 ch, cut and leave a tail. A total of 13 sepals.