I'm giving up on this hydroponic stevia. I also had trouble getting mint started indoors (I know, right?), but when I chucked some seeds in a pot, set it outside and then ignored it, it did just fine. So maybe stevia will enjoy the great outdoors in this same manner.
Next up, I'm trying spinach in this same setup. Sown today, just now. Seed packet said 85% germination rate and I planted 2 seeds. No details on germination time, but it said 50 days to harvest.

