I did some checking on Spigelia germination. Couldn't find anything in Tom Clothier's database. The only thing Deno has is that 1/3 germinated when placed outdoors in Feb. Noted that the sample was small. "Germination is hypogeal."
Only when the last tree has died and the last river has been poisoned and the last fish has been caught will we realize that we can't eat money. Cree proverb