lacy flower applique

Level: Experienced.
G hook and worsted weight yarn, ch 4. (dc, ch 1 in 4th ch from hook) 5 times. Join in 2nd ch of beginning ch 4 (6 dc, 6 ch 1)
2. ch 4. (yo, pull up loop in 4th ch from hook, ch 1 leaving 2 loops on hook, yo, pull through 2 loops, yo pull through 2 loops-Foundation double crochet (fdc) made.) Ch 1 (fdc ch 1) 3 more times. ch 3 more, sl st 3rd ch from hook (picot made)ch 1, (dc in base of fdc, ch 1)4 times.
3. sk dc ch 1 from previous row, sl st, repeat row 2until 4 petal are made.
4. *sk (dc, ch 1), sl st.sc in 3rd ch from previous row's ch 4. sc front loop only (flo) in each dc and ch 1 of petal, up one side, around picot(at point of picot, sc, picot (ch 3, sl st in 3rd ch from hook), sc), down the other side. sc in sl st at base of petal, repeat from * around all 4 petals. If changing colors, end with sl st after last sc in sl st and fasten off. attach new color in sc. If not changing colors, proceed without sl st . 
5. ch 5, (tr, ch1 in same sp) 8 times. working behind petal, sc in ch 1 sp of first row.working behind petal, *(tr, ch 1 in same sp) 9 times in sc between petals. working behind petal, sc in dc of first row repeat from * 2 more times. Join to 4th ch of beginning ch 5. If changing colors, fasten off and attach new color. If not changing colors, proceed. 
6.ch 30. sl st in 2nd ch froom hook and next 10 ch. ch 18. (dc, ch 1)4th ch from hook, 3 times, dc. sk 2 ch, sc in next, sk 2 ch *(dc, ch 1) 4 times, dc* in next, sk 2 ch, sc in next,*(dc, ch 1) 4 times, dc*, sk last 2 ch of this offshoot, sl st in next ch of stem.sl in next 10, ch 20. (dc, ch 1) in 4th ch from hook. (dc, ch 1, dc ch 1 dc) in same sp. sk 2, sc, sk 3, *(tr, ch 1) 4 times, tr* sk 3, sc. sk 2, *(dc ch 1) 4 times, dc* in next sp sk last 2 ch, sl st in next ch of stem.sl st in last 7 ch, fasten off.