80-90 Days to maturity. Cucumis melo. Imperial PMR 45 Organic Cantaloupe Melon Seeds. A non-GMO, annual, organic, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Highly resistant to Powdery Mildew. The Imperial PMR 45 variety of cantaloupe grows into hardy vines that produce large melons with a classic light golden coloring. It may mature a bit later than the classic Imperial 45 but has improved resistance to powdery mildew. Their flesh is sweet and delicious. This is your basic and classic Southern California market melon. Alternate names: Hale’s Best PMR No. 4, Imperial 45-ECS, and Imperial PMR 45 Shipper. ~1,100 seeds/oz.