Silene laciniata
Genus Silene
This source reports two treatments. Both are shown.
Protocol 1
DerivedN. C. Deno, 1993Difficulty Low Rated by us, not by the source.
Start around March 27, 2027 for a May 3 last frost.
- 1
Sow and cover
Temperature: 70°F 21°C · Light: dark
No stated waiting before sowing. Then 9 days to germinate.
81% germination in 3–9 days.
Protocol 2
DerivedN. C. Deno, 1993Difficulty Moderate Rated by us, not by the source.
Start around September 22, 2026 for a May 3 last frost.
- 1
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C · Light: either
- 2
Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C · Light: either
about 6 months from start to sowing. Then 15 days to germinate.
53% germination in 2–15 days.