Soil Preparation > The key for any type of plant growth. Proper preparations will assist the growing of the world’s largest vegetable fruit. These giant types of pumpkins require the correct soil medium to grow to a healthy prize winning pumpkin. Try to find out what your soil conditions are currently, and consult the gvgo.ca message boards. A soil test will provide the amount of soil nutrients your garden contains and provide corrective action to balance your soil for planting. Sandy soils will generally require much more amendments than loamy soils and clays soils will require the addition of organic matter. In most case’s a few yards of “composted “ soil mixed with a rich blend of organic matter combines the best of what Mother Nature has to offer.