Pachystegia insignis
Genus Pachystegia
This source reports two treatments. Both are shown.
Protocol 1
DerivedN. C. Deno, 1996Difficulty Low Rated by us, not by the source.
Start around March 16, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 15, 2025.
- 1
Dry storage
Duration: 730 days · Temperature: 70°F 21°C
- 2
Cold moist stratification
Temperature: 40°F 4°C
about 2 years from start to sowing. Germination time not stated; 21 days assumed.
90% germination.
This source doesn't state how long.
Protocol 2
DerivedN. C. Deno, 1996Difficulty Low Rated by us, not by the source.
Start around March 16, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 15, 2025.
- 1
Dry storage
Duration: 730 days · Temperature: 70°F 21°C
- 2
Sow and cover
Temperature: 70°F 21°C · Light: dark
about 2 years from start to sowing. Germination time not stated; 21 days assumed.
87% germination.