77 days. Delicious 51 Melon Seed: This is Cornell's new powdery mildew resistant (PMR) version of Dr. Henry Munger's classic OP cantaloupe, the standard for taste for the last 50 years. Delicious three pound fruits are 6" diameter with firm orange flesh and a small seed cavity. This is a northern adapted strain. 1250 seeds/oz Pkt (~40 seeds) plants 30'