Hardiness: -15°C
Sowing: Hot stratify at 20°C for 3 months, then cold stratify at 3°C/5°C for 4 months and sow in spring.
Hardiness: -15°C
Sowing: Hot stratify at 20°C for 3 months, then cold stratify at 3°C/5°C for 4 months and sow in spring.