Kalopanax septemlobus
Genus Kalopanax
This source reports three treatments. All are shown.
Protocol 1
DerivedN. C. Deno, 1996Difficulty High Rated by us, not by the source.
Start around July 4, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 3, 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 · Light: either
16 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 6 days to germinate.
53% germination in 2–6 days.
Protocol 2
DerivedN. C. Deno, 1996Difficulty High Rated by us, not by the source.
Start around July 2, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 1, 2025.
- 1
Dry storage
Duration: 365 days · Temperature: 70°F 21°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 · Light: either
- 4
Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C · Light: dark
about 1.5 years from start to sowing. Then 8 days to germinate.
22% germination in 2–8 days.
Protocol 3
DerivedN. C. Deno, 1996- 1
Cold moist stratification
Temperature: 40°F 4°C
No stated waiting before sowing.
0% germination.
Nothing germinated at 40.
This source doesn't state how long.