Magnolia liliiflora ‘Nigra’
(= M. soulangiana ‘Nigra’)
Habit: Broadly upright, densely bushy large shrub, 3-4 m tall and wide, slow-growing, more compact than the normal variety.
Flowers: Larger and darker than the species, 12 cm long, decorative, like lilies, two-tone, dark crimson-red on the outside, pink-white inside, end of April to May, second blossoms into June and later.
Soil: Only for acidic soil.
Hardiness: Zone 6b