You can't you grow a berry and mix it in a berry blender in the contest halls
The blue ones.
You can berry blend in the Contest Halls
Green!
There is no poke blocks in sinnoh it is called poffins and to make them you need to go to hearthome city and have some berries with you as well and find the house that helps you make poffins.
you have to give it poven or poke-blocks and train it
In emerald you get them in the contest hall by making them with berries.
Look down and poke.
you can make make poke bloks by going in a contest builing look for a box people are surronding it and go to a empty space and click the a bunttom
3 to 4 blocks high but in some special occasions it can grow up to 5 blocks high
dont try and feed it pokeblocks. try a ploughmans lunch.
No. Once it tells you it can't eat anymore PokéBlocks then it won't eat anymore no matter what.
People grow them in cinder blocks with glass tops in china.