What's the difference between Cooper Glow and other Grapt...
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It's just an arbitrary name given to them at the nursery where they were grown. In the succulent universe, specific cultivar names are rarely trademarked. Especially with hybrids like Graptosedum (hybrid of a Sedum and a Graptopetalum). They rarely know the specific IDs of parent plants because these are usually grown in massive greenhouses with thousands of other plants and cross-pollination is frequent and undocumented. But long story short, like @FamedGymealily said, the only thing that sets them apart from other Graptosedums is coloring, but even then you'll come across virtually identical looking plants sold under different names. The care requirements for all of them are exactly the same.
