120 days. Big Max Huge pumpkins up to 70″ around often weigh 100 lb. If given plenty of moisture, fertilizer and space, Big Max will live up to its name. Bright orange skin covers 4″ thick bright yellow-orange flesh. Delicious for pies. GARDIN HINTS: Let one or two pumpkins only develop per vine for largest size. Mulch when plants are 1 to 2″ high. Skin is of a pink orange color that is an eye catcher.