65-85 Days to maturity. Cucumis melo. Imperial 45 Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, AAS winner, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Moderately resistant to Powdery Mildew. The Imperial 45 variety of cantaloupe grows into hardy vines that produce large melons with a classic light golden coloring. Their flesh is sweet and delicious. Also known as Hale’s Best No. 45 and Imperial 45 Shipper, this is your basic and classic Southern California market melon. ~1,000 seeds/oz.