At the start of each day, every possible 3x3 grid of crops (including overlaps) has a 1% chance to grow into a giant crop as long as the center crop is watered and all constituent crops are fully-grown and of the same type. Giant crops won't necessarily appear on the day the crops finish growing, it can happen any day those criteria are met.<ref>See <tt>Crop::newDay</tt> in the game code.</ref> | At the start of each day, every possible 3x3 grid of crops (including overlaps) has a 1% chance to grow into a giant crop as long as the center crop is watered and all constituent crops are fully-grown and of the same type. Giant crops won't necessarily appear on the day the crops finish growing, it can happen any day those criteria are met.<ref>See <tt>Crop::newDay</tt> in the game code.</ref> |