Sgt. Volkin is the author of The Ultimate Basic Training Guidebook. The Ultimate Basic Training Guidebook is available (as of this writing)) in both book and e-book format at www.ultimatebasictrainingguidebook.com.
Step 1. Plant watermelon seed during spring once all danger of frost has passed in a location that receives full sunlight. Spread 3 inches of organic manure over the planting site and use a garden tiller to incorporate it into the soil to increase drainage and fertility.
1 If you live in warmer climes, you can direct sow seeds outdoors, but wait until the soil temperature warms to at least 70 degrees to avoid poor germination.  Watermelon vines are very tender and should not be transplanted until all danger of frost has passed.