No, Joela, I've never had that happen w/any bean seed of any kind. Hyacinth beans, like other bean seeds and morning glory seeds, too, don't have to be placed in the ground in any specific direction. Their "natural instinct" is to seek the light and oxygen above ground. Even some bulbs for instance, which do
have a specific planting direction, if they're planted upside down, will somehow
manage to "right" themselves and grow. Nature's a lot smarter than we mere mortal gardeners.
Generally speaking, the only reason to place any kind of seeds in a damp paper towel is to check their germination rate. IOW, to see if old seeds are still viable.
Glad to be of help.
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