Atlantic giant or any of the biggest cultivars do best with a very large resevoir of low nitrogen fertilizer. Like, like cotton seed meal. one hundred pounds mixed into a hill is not too much. Hills need to be spaced more than 25 feet apart on all directions. I have used a 4' by 4' pallet box filled with manure for my fertilizer stash. Plant seed at the base of your compost box.
You can start three seeds on each hill, but you will remove the smaller two plants.
Expect to water 20 gallons or more per hill, every day it does not rain.
Once you have fruit set, you will need to remove all other fruits on each plant. One pumpkin per plant only.
Some folks will set a pallet with carpet on it under fruit prior to them getting too big. It is possible to break up a 400 Lb + fruit moving it.
