Hardiness: -15°C
Sowing: Soaking for 6 days then drying for 1 hour. Cold stratification (3°C/5°C) for 5 months and sowing in spring.
Hardiness: -15°C
Sowing: Soaking for 6 days then drying for 1 hour. Cold stratification (3°C/5°C) for 5 months and sowing in spring.