1.when you buy from the man with honey (floaroma town) smudge some on a tree.
2.wait a while(takes long time or cheat by forwarding the clock lol).
3.when you see the tree shaking(dancing lol)press a on it.YOU HAVE TO GO IN FRONT OF IT!
4.the main pokemon are burmy, aipom, or heracross.

P.S:only on golden trees lol.

*******************good luck!***********