Green expansions are individual expansions and the starting location of a farm, often referred to as the Home or Default location. These expansion do not require you to spend any coins, spend any cash, perform tasks, gain consent (wait until after a specific date) or be of any level before you can gain access to the individual expansion.
Blue expansions are individual expansions which require that you gain consent (wait until after a specific date) and to perform tasks before you can gain access to the individual expansion; otherwise, you can buy access to the expansion with cash. Each expansion is given consent in seven (7) day increments starting from the day the farm is released as General Access to all players.
Red expansions are individual expansions which require that you purchase them with cash before you can gain access to the individual expansion. In the future, some of these red expansions will be purchasable with coins.
G1 and G2 (green expansions)are always found grouped together as one (1) group.
The G3 (green expansion) and the B9 (blue expansion) were added, with the release of the Phantom Valley farm, to give players additional space and to add an additional week of tasks.
G3 (green expansion), originally, was found near one (1) of the other green expansion on the earlier farms.
The G3 (green expansion) was made into a normal sized expansion (9x9 plots), with the release of the Story of Sakura farm, and may or may not be found near other green expansions as before.
G4, G5 and G6 (green expansions) were added, with the release of the Story of Sakura farm, to give players additional space and may or may not be found near other green expansions.
Do not have a blue expansion that is higher than B6 nor do they have red expansions that is higher than R10, as was originally intended for all farms.
Because, there were many problems with having multiple seasons on a single farm; All new farms, after the Avalon farms, had their blue expansions and red expansions increased in number.
B10 and B11 (blue expansion) were added, with the release of the Story of Sakura farm, to give players additional space and to add additional week of tasks.
R21 and R22 (red expansions) were added, with the release of the Namaste India farm, to give players additional space.
R23 (red expansions) were added, with the release of the Story of Sakura farm, to give players additional space.
Was added, with the release of the Alpine Jingle farm as a 5x8 size, to give players additional space and to add a special location for special gifts/tasks/quests etc. ... and can not be purchased.
Was not used on the Namaste India farm.
Was changed in size from 5x8 to 4.5x9, with the release of the Story of Sakura farm, and is unlocked from a new building with achievement type quests.
W2, W3 and W4 (white expansions) were added, with the release of the Story of Sakura farm, to give players additional space and is unlocked from a new building with achievement type quests.
coins, spend any 
cash, perform tasks, gain consent (wait until after a specific date) or be of any level before you can gain access to the individual expansion.
