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Plant Profile: Japanese Maple (Acer palmatum) var. heptalobum

There are many beautiful Japanese maples and this is one of them. With its elegant form and superb autumn coloration it is a fine choice for a courtyard, cottage garden, or Japanese garden. Its palmate leaves are 2-5” long and have seven to nine long, tapering lobes with finely serrated margins. Bright green when the emerge they turn orange and then scarlet when temperatures change and persist well into late fall. The small flowers produced in spring are pendent, purple-red, and followed in autumn by red-winged fruits (samaras). Plant in a place that is sheltered from winds to avoid leaf scorch.

Type: Deciduous tree

Outstanding Feature: Form, autumn coloration

Form: Rounded, spreading

Growth Rate: Moderate

Bloom: Not horticulturally important

Size: 16’ H x 20’ W

Light: Partial shade-full sun

Soil: Average, humus-rich, moist, well-drained

Hardiness: Zones 5-8

Care: Prune to shape in late summer or early autumn.

Pests and Diseases: None of significance

Propagation: Grafting in late winter, budding in late summer.

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