Yeah I kind of thought it was normal/bugged as well. Thanks DragonulRed, I asumed everytime the bar filled up it was supose to level up. Now I know how it works ^^
Right now i have 183/200 in 2 days i'm gonna see if this works
Yeah it works,now i have water tree level 7 and i need 500 exp for level 8...so yeah you just need that exp for your tree to grow up and now i have 16 growth...i think now 16 people can water my tree