General Culture:
Easily grown in moist, organically rich, well-drained soils in full sun to part shade. Performs well in bright, sun-dappled, part shade locations. Avoid hot and dry sites. Site in locations 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. ‘Scolopendrifolium’ is an upright form that typically grows to 12-15’ tall. It is sometimes commonly called fingerleaf maple or strapleaf maple in reference to its distinctive, deeply cut leaves which have a soft, airy appearance. Each palmate leaf (to 5” long) is divided into 5 extremely narrow (to 1/2” wide), pointed-at-the-tip, fingerlike lobes. Leaves are medium green with light red petioles. Leaves turn yellow in fall. Small reddish-purple flowers in spring are somewhat attractive on close inspection, but are not showy from a distance. Flowers are followed by seeds that ripen an attractive red. ‘Linearilobum’ and ‘Shinobuga oka’ are synonymous with this cultivar.
Problems: Click for detailed list of pests and problems.
No serious insect or disease problems. Susceptible to stem canker and leaf spots. Verticillium wilt may also occur. Watch for borers, scale, mites and aphids. Good resistance to leaf scorch. 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 patio or periphery of the border or rock garden.
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Garden, 2001-2009