Ipheion uniflorum
Genus Ipheion
This source reports two treatments. Both are shown.
Protocol 1
DerivedN. C. Deno, 1996Difficulty High Rated by us, not by the source.
Start around May 29, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on May 28, 2026.
- 1
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
- 2
Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C · Light: dark
- 3
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
about 9 months from start to sowing. Then 42 days to germinate.
38% germination in 28–42 days.
Protocol 2
DerivedN. C. Deno, 1996Difficulty High Rated by us, not by the source.
Start around December 20, 2026 for a May 3 last frost.
- 1
Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C · Light: dark
- 2
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
- 3
Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C
Steps after step 1 run on after germination.
about 3 months from start to sowing. Then 16 days to germinate.
10% germination in 16 days.