Mulberries Morus 'Mulle' Black - Bio - Hardy plantSmall, sweet and packed with vitamins. We bake a pie or make jam from the black fruits. Or we just eat them fresh off the bush. The mulberry Mulle (Morus nigra) has been organically grown. The climbing shrub can be planted in a pot on a (rooftop) patio or balcony. But in pots, these fruit bushes are more susceptible to frost. When the temperature drops, put bubble wrap around the pots. The perennial fruit bush blossoms in the spring with green