>>18175472the ones that just reduce stats aren't that hard to grow. you just have to get them via mutations and it takes 48 hours to grow a bush. i believe each one raises a mons happiness while reducing the corresponding EV by 10 points. Don't quote me on that though.
you're looking for:
>Pomeg Berry - reduces HP>Kelpsy Berry - reduces ATK>Qualot Berry - reduces DEF>Hondew Berry - reduces SP ATK>Grepa Berry- reduces SP DEF>Tamato Berry - reduces SPD>info from http://www.serebii.net/xy/berryfields.shtml 