With straight needles cast on 2 stitches

Petals:

Row 1and odd rows: Knit

Row 2 and even rows: Increase one in first and last stitches in Knit

Continue until there are 10 stitches on the needles.  Break off and slide stitches onto a spare needle.  Make 8 of these petals.

Slide all 80 stitches onto the circular needle.  Being careful not to twist , place a marker and knit around.  Purl one row, Knit one row , purl one row

Knit around until piece measures 6 " for a child or 7" for an adult sized hat

Decrease rows:

Attach green yarn. 

Row 1: With yellow knit 6, with green knit 2 together around.

Row 2: Knit 6 yellow, K 1 green

Row 3 Knit 4 yellow, Knit 1 green , K 2 together with green , repeat

Row 4: Knit 4 yellow, K2 green

Row 5: K 2 yellow, K 1 green , K 2 tog green

Row 6:  K 2 yellow, K 3 green around, fasten off yellow.

Row 7:with green, K 3, K 2 tog around

Row 8: Knit

Row 9: K 2, K 2 tog around

Row 10: Knit

Row 11: K 1 , K tog around

Row 12: Knit

Row 13: K 2 tog around until 4 stitches remain.

Knit 2 and 1/2 inches of  I-cord

Decrease by knitting 2 tog until 1 stitch remains, fasten off and fasten to top of hat. Fasten in all ends

Leaves:

Cast on 2

Row 1: Increase in first stitch , knit to end

Row 2: knit

Row 3: Increase in first stitch , K to end

Row 4-12: Knit

Row 13: K 2 tog, Knit to end

Row 14: knit

Row 15: K 2 tog, Knit

Row 16: knit

Row 17-28 make I-cord

Repeat rows 1 through 15

Decrease by K tog, K1

Next row K2 tog , Fasten off.  Tuck in all ends and fasten to top of hat.