Nothoscordum bonariense
This source reports two treatments. Both are shown.
Protocol 1
DerivedN. C. Deno, 1998Difficulty High
Start around October 10, 2026 for a May 3 last frost. Too late for spring 2027 — that needed starting on October 9, 2025.
Dry storage
Duration: 180 daysTemperature: 70°F 21°C
Cold moist stratification
Duration: 90 daysTemperature: 40°F 4°C Light: either
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C Light: dark
1/7 germinated in this phase.
Cold moist stratification
Duration: 90 daysTemperature: 40°F 4°C Light: either
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C Light: dark
about 18 months from start to sowing. Then 3 days to germinate.
57% germination in 3 days.
Protocol 2
DerivedN. C. Deno, 1998Difficulty High
Start around January 13, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on January 12, 2025.
Dry storage
Duration: 180 daysTemperature: 70°F 21°C
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C Light: dark
12 germinated in this phase.
Cold moist stratification
Duration: 90 daysTemperature: 40°F 4°C Light: either
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C Light: dark
12 germinated in this phase.
Cold moist stratification
Duration: 90 daysTemperature: 40°F 4°C Light: either
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C Light: dark
18 germinated in this phase.
Cold moist stratification
Duration: 90 daysTemperature: 40°F 4°C Light: either
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C Light: dark
about 2 years from start to sowing. Then 3 days to germinate.
30% germination in 1–3 days.