This source reports three treatments. All are shown.
Protocol 1
DerivedN. C. Deno, 1996Difficulty Low Rated by us, not by the source.
Start around September 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 16, 2026.
- 1
Dry storage
Duration: 180 days · Temperature: 70°F 21°C
- 2
- 3
Sow and cover
Temperature: 70°F 21°C
about 6 months from start to sowing. Then 21 days to germinate.
90% germination in 7–21 days.
Protocol 2
DerivedN. C. Deno, 1996Difficulty Moderate Rated by us, not by the source.
Start around September 21, 2026 for a May 3 last frost.
- 1
Dry storage
Duration: 180 days · Temperature: 70°F 21°C
- 2
Sow and cover
Temperature: 70°F 21°C · Light: light
about 6 months from start to sowing. Then 16 days to germinate.
30% germination in 11–16 days.
Protocol 3
DerivedN. C. Deno, 1996- 1
Dry storage
Duration: 180 days · Temperature: 70°F 21°C
- 2
Sow and cover
Temperature: 70°F 21°C · Light: dark
about 6 months from start to sowing.
0% germination.
Nothing germinated at 70.