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Clethra acuminata (Mountain Pepperbush)

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description Clethra acuminata (Mountain Pepperbush) Overview

Clethra acuminata, known as Mountain Pepperbush, is a deciduous shrub native to the woods and stream banks of the Appalachian Mountains in the southeastern United States. Belonging to the Clethraceae family, it is notable for its distinct, cinnamon-colored exfoliating bark that provides winter interest. During the summer, it produces long, terminal racemes of fragrant white flowers that attract bees and butterflies. This species thrives in acidic, moist, well-drained soils in partial shade.

help Clethra acuminata (Mountain Pepperbush) FAQ

What is Mountain Pepperbush?

Mountain Pepperbush is Clethra acuminata, a deciduous shrub native to Appalachian woods and stream banks. It is related to the more widely planted summersweet, Clethra alnifolia.

How can Mountain Pepperbush be identified in winter?

Its cinnamon-colored exfoliating bark is a major identifying feature. The bark peels or flakes from older stems and remains visible after the leaves fall.

What do Mountain Pepperbush flowers look like?

The flowers are small, white, and arranged in upright or slightly drooping racemes. They are fragrant and appear in summer.

Where does Clethra acuminata grow best?

It favors moist, acidic, well-drained soil in woodland conditions or along stream banks. Partial shade is usually better than hot, dry exposure.

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