Spigelia marilandica
Genus Spigelia
Protocol
DerivedN. C. Deno, 1993Difficulty Moderate Rated by us, not by the source.
- 1
Sow outdoors and leave it
Sown outdoors in February 1; up in May.
No stated waiting before sowing. Then 90 days to germinate.
33% germination in 90 days.
This source doesn't state how long.