Big Max Pumpkins are known for their size. This is the pumpkin to grow if you want to have an enormous pumpkin. Big Max Pumpkins can weigh over 100 lbs and be over 20 inches wide. These are the contest-winning variety. Once you are done showing off your huge pumpkin, the pumpkin can be cooked. You can store it due to its heavy rind or dice up the inside and freeze it.