Click on a thumbnail picture below to see the full size version. 1 Entries. Wednesday, February 17 View Page I am starting a science project in my daughters 5th gr. class. I grew a 100lb. pumpkin last year and withthose seeds we are trying to see what combination of composts, fert., seaweeds and anything else will grow the biggest one.We are going to have 6 or 8 hills on the playground and see which amendments grow the biggest gourd