Acer japonicum ‘Aconitifolium’
(= A. japonicum filicifolium; A. japonicum parsonii ) (Japan)
Habit: Picturesque, loose, quite large shrub or small tree, 3-4 m tall, 2-4 m wide, slow-growing.
Flowers: Small, before leaves shoot, crimson-red, April.
Leaves: Ornamental, fern-like leaves, seven or nine-lobed, fresh green, conspicuous autumn colours orange-red to bright red, October.
Roots: Shallow roots, sensitive.
Demands: Sun to light shade; prefers mild winter climates, needs winter protection when young as it is only moderately winter hardy, large specimens are usually frost hardy; likes humid air and soil, avoids sunny, hot, dry areas, needs wind protection.
Soil: Slightly acidic, humic, well drained, not on alkaline and heavy soil.
Hardiness: Zone 5a