Variété : A large-leaved tall shrub. Flowers creamy-white in heads 10 to 15 cm. Fruits blue-black | Conseils de semis : | Soak in water for 24 hours. Warm stratification at 20°C during 120 days and then cold stratification during 90 days | | Rusticity : | Very rustic, down to -15°C and less |
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