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It is hardy to zone 6. It is in flower in April. The flowers are monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) The plant prefers light (sandy), medium (loamy) and heavy (clay) soils and can grow in heavy clay soil. The plant prefers acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It requires moist soil |