I also made a thread about unclaimed seed rewards and there was still no chest in sight at that location two days later. I am still unable to contribute seeds to those locations, as well.
I’m noticing even the ones that do not have unclaimed rewards, sometimes I am putting in a blue seed and dew and just getting 5 flightstones and two low quality mats even on a brand new character that would not have contributed to that seed prior. Moon tulip on a new character today - first seed, no rep or crests. It had adequate time on it, but it was already maxed when I got there, so maybe that is an issue as well? It did take my seed and dew, either way.
I know that it’s harder to remember or keep track after doing so many, but I know for sure that I am putting in a higher quality seed for some and not getting those rewards.
Others that are stuck as unclaimed are lavatouched lilies, fuzzy licorice, and singing weedling. Here’s my other thread: