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Acer palmatum 'Oshio-beni'

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Kemper Code:  B953

Common Name: Japanese maple
Zone: 5 to 8
Plant Type: Tree
Family: Aceraceae
Missouri Native: No
Native Range: None
Height: 12 to 18 feet
Spread: 15 to 20 feet
Bloom Time: -    Bloom Data
Bloom Color: Reddish-purple
Sun: Full sun to part shade
Water: Medium
Maintenance: Low


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Plant Culture and Characteristics

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Where is this species invasive in the US?

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  Uses:       Wildlife:   Flowers:   Leaves:   Fruit:
Hedge Suitable as annual Attracts birds Has showy flowers Leaves colorful Has showy fruit
Shade tree Culinary herb Attracts Has fragrant flowers Leaves fragrant Fruit edible
Street tree Vegetable   hummingbirds Flowers not showy Good fall color   Other:
Flowering tree Water garden plant Attracts Good cut flower Evergreen Winter interest
Gr. cover (<1') Will naturalize   butterflies Good dried flower     Thorns or spines

General Culture:

Easily grown in moist, organically rich, well-drained soils in full sun to part shade. Prefers lightly sun dappled part shade. Avoid hot and dry sites. Leaves may scorch in full sun in hot southern summers. Plant in a location protected from strong winds.

Noteworthy Characteristics:

Japanese maple is a multi-stemmed shrub or single-stemmed small tree that typically grows to 10-25’ tall. General plant form is rounded to broad-rounded, often with low-branching. ‘Oshio-beni’ typically grows 12-18’ tall with a spreading form. Palmate, 7-lobed leaves (to 3” long) emerge bright orange-red in spring but fade to bronze-green by summer. Fall color is scarlet (cultivar name means great red tide). Small reddish-purple flowers in umbels bloom in mid spring. As with many maples, the flowers are rather attractive close up, but are not particularly showy from a distance. Flowers are followed by samaras (to 3/4” long) that ripen in September-October.

Problems: Click for detailed list of pests and problems.

No serious insect or disease problems. Susceptible to stem canker. Verticillium wilt may also occur. Watch for scale, mites and aphids. Foliage tends to leaf out early in spring and is subject to damage from late spring frosts.

Uses:

Japanese maples are generally grown for their attractive foliage and shape. Specimen/accent or group around the home or yard or periphery of the border or rock garden. Multi-stemmed shrub form is effective in small groupings in shrub borders. Bonsai.

© Missouri Botanical Garden, 2001-2009


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