Paradisea liliastrum
Genus Paradisea
This source reports 5 treatments. All are shown.
Protocol 1
DerivedN. C. Deno, 1996Difficulty High Rated by us, not by the source.
Start around January 25, 2027 for a May 3 last frost.
- 1
- 2
Sow and cover
Temperature: 70°F 21°C
No stated waiting before sowing. Then 70 days to germinate.
14% germination in 70 days.
Protocol 2
DerivedN. C. Deno, 1996Difficulty High Rated by us, not by the source.
Start around March 21, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 20, 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
- 3
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
- 4
Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C
about 12 months from start to sowing. Germination time not stated; 21 days assumed.
10% germination.
Protocol 3
DerivedN. C. Deno, 1996Difficulty Very high Rated by us, not by the source.
Sow around February 2027 — a date the source gives, not one counted back from a May 3 last frost.
- 1
Sow outdoors and leave it
Sown outdoors in February; up in April.
No stated waiting before sowing. Then 60 days to germinate.
8% germination in 60 days.
This source doesn't state how long.
Protocol 4
DerivedN. C. Deno, 1996- 1
Sow and cover
Temperature: 70°F 21°C · Light: dark
No stated waiting before sowing.
0% germination.
Nothing germinated at 70.
Protocol 5
DerivedN. C. Deno, 1996Difficulty Very high Rated by us, not by the source.
- 1
Sow outdoors and leave it
Nothing germinated outdoors.
No stated waiting before sowing.
0% germination.
This source doesn't state how long.