Fumana laevis
This source reports two treatments. Both are shown.
Protocol 1
DerivedN. C. Deno, 1993Difficulty High
Start around December 15, 2026 for a May 3 last frost.
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C Light: dark
Cold moist stratification
Duration: 90 daysTemperature: 40°F 4°C
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C
15 germinated in this phase.
Steps after step 1 run on after germination.
about 3 months from start to sowing. Germination time not stated; 21 days assumed.
30% germination.
Protocol 2
DerivedN. C. Deno, 1993Difficulty High
Start around October 20, 2026 for a May 3 last frost.
Cold moist stratification
Duration: 90 daysTemperature: 40°F 4°C
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C
5 germinated in this phase.
Cold moist stratification
Duration: 90 daysTemperature: 40°F 4°C
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C
5 germinated in this phase.
Steps after step 1 run on after germination.
about 3 months from start to sowing. Then 77 days to germinate.
16% germination in 56–77 days.