Variété : Palmetely five to seven-lobed leaves, which usually turn bright yellow in autumn | Conseils de semis : | Immerse the seeds during 48 hours in water. Cold stratification at 3°C/5°C during 120 days. Sow at 10°C during the night and 20°C during the day | | Rusticity : | Very rustic, down to -15°C and less |
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