Noticed pumpkaboos stats aren't pinpointed for its super size form, so here is the stats for two that I found.
Level 36 Bold; 88/52/61/40/55/36 No EVs
Level 39 Bashful 106/66/69/47/50/42 A bit of EVs, 3 Levels worth I guess.
Also learns Will o wisp and leech seed, which is kinda cool.