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Japanese Maple Acer palmatum • Habitat – native to Japan, China, Korea – zone 5 for many, while other selections are only reliable to zone 6 or warmer – an understory tree in its natural setting • Habit and Form – – – – – small deciduous tree 15' to 25' shape can be rounded to irregular habit and form is variable since most cultivated plants are various cultivars texture fine to medium growth rate is slow Japanese Maple Acer palmatum • Summer Foliage – opposite, 2" to 5" long, medium green color – 5, 7 or 9 lance-shaped lobes, palmately arranged – excellent quality summer foliage • Autumn Foliage – turning yellow, orange, red or purple – dependable for fall coloration – color develops late and leaves hold well Japanese Maple Acer palmatum • Flowers – small, red or purple, in May and June • Fruit – samaras 0.5" to 0.75" long – generally reddish tinged green, but some are just green Japanese Maple Acer palmatum • Bark – twigs have green and red, polished, shiny bark that is showy – trunk and main branch bark is gray – stem and bark color is a valuable ornamental feature • Culture – Full sun to partial shade is best; shade tolerant – moist, slightly acidic, welldrained, high organic matter soil is ideal – often stated to be delicate plants, but probably more adaptable than given credit for – dislikes hot, dry locations – avoid windswept winter locations
