Over the last 30 years, this here gigantic pumpkin has earned miles of blue ribbons in growing contests. Proudly descended from several strains of prize-winning "Mammoth" pumpkins that go back centuries and were legends in their day. Given the right conditions-proper care and attention, full-sun location; soil that's deeply tilled, high in humus, has adequate moisture and with a pH of 6.5-7.0-your pumpkins can range in the vicinity of 200 lb. Abundant and balanced fertilizer applications are key to producing these giants of the pumpkin world.