I'm having surgery and my surgeon is a DO. What is the difference between a DO and an MD?. A physician who is a DO (Doctor of Osteopathic Medicine) is held to the same standards as an MD. They both attend four years of medical school and complete their training at the same residency programs.
1 Watermelon seeds need to germinate at a temperature over 70 degrees. 2  If you live in a cool climate, it might make sense to start them indoors a few weeks before the last frost, so you'll be able get the seedlings underway at the beginning of the growing season.
Quick Answer. The Old Farmer's Almanac, the Burpee seed company and Bonnie Plants all recommend waiting to plant watermelon seeds outdoors until the soil reaches a temperature of at least 70 degrees Fahrenheit. Waiting for the soil to warm up ensures more reliable germination.