Lumina PVP Pumpkin Seeds (Display Type). The ghost and goblins will be hanging around your pumpkin patch well before Halloween if they discover the large white pumpkins this variety produces. Growing to 20-25 cm (8-10″) in diameter and weighing in at 5-7 kg (11-15 lbs), these globular shaped pumpkins are perfect for carving or for painting designs on.