95 Days to maturity. Organic Moon & Stars Watermelon is a heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. These medium-sized heirloom plants can grow 25-30 lbs. Organic Moon and Stars Watermelons are known to be among the sweetest in flavor, even though they are larger in size. This majestic heirloom variety is worth the time it takes to grow as your summer watermelon crop. Moon and Stars Watermelon seeds grow into sweet Fuschia-red fruit with a juicy texture and an oval-shaped exterior.