You can expand now but you must;
In order to access 24 x 24, you have to be a FAN of farmville. Once you are a FAN, it will unlock in the market and you can expand.
You go to market then go to farming aides, choose your expansion then buy with farmville coins or cash.
40 at the moment
You get to farm aides in the market and then you can choose what width you want your farm to expand to by buying with farmville coins or farmville cash.
you go to market click the expand farm tab
well its pretty simple you just publish it on your facebook and try to get your friends to help expand your farm and you need 10 neighbors to help expand your storage or you can just use 10 farmville cash and buy it instantly
you just have to have a tool shed to expand it too a bigger size
Farmville's 24 x 24 expansion will be available March of 2010
24 hours
Bricks are used to help build or expand Horse Stables and Nursery Barns.
Expand your farm for extra cash!
You go to the market... and go to the tap that says "expand" and then buy a bigger farm from there.