Subscribe Now to the Digital Almanac Monthly Magazine!
Sounds like black rot (unlessSounds like black rot (unless it is at the blossom end of the fruit, in that case it would be blossom end rot). It is a fungus that affects much of the cucurbit family. Immediately remove the infected melon. Ensure proper drainage so that when wet weather strikes, your melons are not sitting in water. Treat the remaining plants with fungicide. Good luck!

2015 Special Edition Garden GuideCooking Fresh with The Old Farmer's AlmanacThe Almanac Monthly Digital MagazineWhat the heck is a Garden Hod?