Protocol
DerivedN. C. Deno, 1993- 1
Clean the flesh off the seed
The seeds are enclosed in a berry
- 2
Leach in running water
Duration: 7 days
washed in water and cleaned daily
- 3
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
- 4
Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C
- 5
Cold moist stratification
Temperature: 40°F 4°C
Germination took place at 40, but only after one or more prior cycles.
about 6 months from start to sowing. Then 42 days to germinate.
85% germination in 21–42 days.
This source doesn't state how long.
About the plant
What it is and where it grows — not part of any germination protocol above.
- Habit
- Perennial, Forb/herb
- Native range
- Canada, lower 48 states
Source: PLANTS Database — USDA NRCS.