Consider growing papaya right in your back yard and spend nothing more than the cost of a single fruit.  In my original blog, gardening for free (part 1), I covered the basics of gardening from kitchen scraps, propagating and harvesting seeds from season to season.  Papaya are beautiful tropical plants that can produce fruit when grown in containers, which will then be moved indoors before the first freeze. How to Grow Papaya from Seed To grow papaya, you will need to buy one whole papaya fruit that has not been refrigerated.  Refrigeration will stop the seed from being able to sprout.  When you are ready to plant, and only when…