Asphodelus albus
Genus Asphodelus
This source reports 5 treatments. All are shown.
Protocol 1
DerivedN. C. Deno, 1998Difficulty Moderate Rated by us, not by the source.
Start around July 16, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 15, 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
about 6 months from start to sowing. Then 84 days to germinate.
100% germination in 49–84 days.
Protocol 2
DerivedN. C. Deno, 1998Difficulty Moderate Rated by us, not by the source.
Start around July 5, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 4, 2026.
- 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 · Light: dark
about 9 months from start to sowing. Then 5 days to germinate.
100% germination in 2–5 days.
Protocol 3
DerivedN. C. Deno, 1998Difficulty Moderate Rated by us, not by the source.
Start around July 30, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 29, 2026.
- 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
about 6 months from start to sowing. Then 70 days to germinate.
56% germination in 70 days.
Protocol 4
DerivedN. C. Deno, 1998Difficulty High Rated by us, not by the source.
Start around June 12, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on June 11, 2026.
- 1
Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C · Light: dark
1/6 germinated in this phase.
- 2
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
1/6 germinated in this phase.
- 3
Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C · Light: dark
about 9 months from start to sowing. Then 28 days to germinate.
50% germination in 14–28 days.
Protocol 5
DerivedN. C. Deno, 1998Difficulty High Rated by us, not by the source.
Start around June 26, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on June 25, 2026.
- 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 · Light: dark
about 9 months from start to sowing. Then 14 days to germinate.
14% germination in 14 days.