To start, I cannot take credit for this particular project. My Mom actually defied my expectations when she started growing these watermelons. I thought there would be no way you could grow full sized watermelons in medium sized containers. Everyday I see that was wrong.  She started from seeds, which admittedly I was never that successful at doing, and after a week they started to sprout. She was very much delighted when she saw her first baby sprout since she had never believed she could grow anything herself and she wanted to take a crack at this whole gardening thing with me.  The soil used was regular potting soil. I…