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Physocarpus opulifolius (Common Ninebark)

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description Physocarpus opulifolius (Common Ninebark) Overview

Physocarpus opulifolius, known as common ninebark, is a hardy deciduous shrub in the rose family Rosaceae, native to North America. It is recognized by its distinctive exfoliating bark that peels in multiple thin layers, a trait referenced by its common name. The plant produces dense clusters of small white or pink flowers in late spring and features deeply lobed, maple-like leaves. Cultivars with dark purple or bronze foliage are commonly used in ornamental landscaping.

help Physocarpus opulifolius (Common Ninebark) FAQ

Why is Physocarpus opulifolius called ninebark?

Its bark exfoliates in several thin layers as the stems mature, creating the appearance of many bark strips. The common name refers to this peeling bark rather than to a literal count of nine layers.

What flowers does common ninebark produce?

Common ninebark produces clusters of small white to pinkish flowers in late spring or early summer. The flowers are followed by dry fruit structures that can remain decorative after blooming.

Where is Physocarpus opulifolius native?

The species is native to North America and belongs to the rose family, Rosaceae. It is a hardy deciduous shrub often used for hedges, screens, and mixed borders.

Can ninebark tolerate difficult garden conditions?

Common ninebark is valued for its hardiness and can handle a broad range of soils once established. Its exfoliating bark remains a visible feature after the leaves fall in autumn.

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