The Forest of Hope is my favorite area in the pikmin series in fact, I prefer all the areas in pikmin 1 over the areas in pikmin 2 excepting The Wistful Wild.
^^^ Woops, When I posted this I forgot to add my sig. Last Onion
Enemies
If you go to this area after I don't know which day, the Bulborb ammount seems to have triplicated. There's about 9 Red Bulborbs! 
Snakeboss14
I went there on Day 6 to get the last 3 parts and the number had triplicated, so it must take place at or before Day 6 
Loafy the Breadbug