Dance The Honeysuckle (and the Bindweed) 2975

1–
: 1c+2c Adv{1}&Ret{1} | 1c cast as 2c dance up ; 1c turn LH to face 2cnr | turn 2cnr RH into promhold and face 3cnr
9–
: ½ Reel4 on 1diag, but at the end the cnrs turn LH ¾ to finish at 2cnr (across from their starting position) ; 1c turn LH to face 2cnr **while**{2} guiding their cnr RH to 1cnr | turn 2cnr (=3rd cnr person) RH into promhold and face 3cnr (all cnr persons have moved one place clw)
17–
: Repeat [9–16] with the new corners, but at the end 1c turn to own side (3x,1,2x)
25–
: Diag R&L (2,1,3)

{{explanation}}
On 3rd time through, new 3c+4c copy [1–4] to progress.  
Note: numbered cnrs refer to positions

1-8
: 1s+2s Adv+Ret 1 step, 1s cast 1 pl as 2s dance up, 1s turn LH to face
  2nd corners & turn corners RH into prom hold (corners on 1s right)
9-12
: 1s+2nd corners dance 1/2 reel of 4 with 3rd corners (RSh to 3rd
  crnr) **while** 3rd crnrs dance in & turn LH in centre to dance out to
  2nd crnrs (opp sides)
13-16
: 1s turn LH to face 2nd corner (pstns) & turn RH into prom hold **while**
  original 2nd corner persons dance out to other corner on own sides
17-24
: 1s repeat with bars 9-16 with 'new' corners but 1s end turning LH to 2nd
  place own sides
25-32
: 1s dance Diag R&L

{{explanation}}
Note - 3rd time through bars 1- 4 with original 1s in 3rd place all 4 couples Adv+Ret, then new 1s & original 1st couples both cast 1 place  
The Bindweed (Optional) - 2nd time through read right for left & 1st corner for 2nd corner & vice versa