Morus nigra – Black Mulberry (western Asia)
Habit: Small or medium-size tree , 6-10 m tall and wide, rarely larger here, round crown, dense, medium to fast-growing.
Flowers: Monoecious, inconspicuous, cylindrical, yellowish green spikes, after leaves shoot in May or beginning of June.
Fruits: Like blackberries, ovoid, juicy, dark to black-red, edible, pleasant, sweet taste, very useful.
Leaves: Cordate, dark green, light green underneath, pale yellow in autumn.
Demands: Full sunlight, tolerates heat, needs warmth, protection, moderately frost hardy, tolerant of urban and industrial pollution.
Soil: Dry to fresh; slightly to very alkaline, always well drained, sandy-loamy substrates, failing on heavy soil.
Our tip: Morus nigra can be trained on south-facing walls as a fruit trellis; cut in winter.
Hardiness: Zone 6b