@Hostafan1 I put them straight into a container of very shallow water, and leave on a bright windowsill (but no direct sunlight). I make sure that the majority of each leaf is standing proud of the surface, only the raw edge needs to be in the water. After about 2 weeks they root, and can be potted up.
You would think they would rot, but they take much more successfully than the usual air drying method, in my experience.
I've tried it with ones that have thin and thicker leaves and it worked, although I have one particular hybrid (Red Edges) and I could not get it to work, as I couldn't get a clean and crisp edge when breaking the leaf off the main plant.
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You would think they would rot, but they take much more successfully than the usual air drying method, in my experience.