Clethra alnifolia
SPECIMEN · FROM THE LIBRARY
Clethra alnifolia

Clethra Alnifolia

Photo · (c) Tom Potterfield, some rights reserved (CC BY-NC-SA) COURTESY INATURALIST
ON THIS PLANT

Clethra alnifolia, commonly known as Sweet Pepperbush, is a deciduous shrub native to the eastern United States. It typically reaches a height of 3-8 feet and spreads 4-6 feet wide. In late summer, the plant produces fragrant white or pink flowers that attract bees and butterflies. The dark green leaves turn yellow in the fall before dropping off for winter dormancy.

Sweet Pepperbush thrives in moist, acidic soils and partial shade but can tolerate full sun if it receives adequate moisture. It is often used as an ornamental plant for its attractive flowers, lush foliage, and vibrant fall coloration.

Besides its aesthetic appeal, Clethra alnifolia has several practical uses. Native Americans used various parts of the plant for medicinal purposes, such as treating fevers and headaches. The bark was used to make baskets, and the wood was used for tool handles.

Overall, Clethra alnifolia is a versatile shrub with both ornamental and practical value. Its ability to thrive in diverse growing conditions makes it a popular choice among gardeners across North America.

THE NAME

Summersweet is a plant native to the eastern United States. In spring, it blooms with vibrant green leaves, followed by beautiful white or pink-red flowers in the summer. The plant is named "summersweet" because its fragrance is most captivating during the summer months.

CHARACTERISTICS

Botanical profile.

Plant Type
Shrub
Life Cycle
Perennial
Genus
Clethra
Family
Clethraceae
Hardiness Zone
3-9
Mature Height
1.52 m to 3.05 m
Mature Spread
1.22 m to 1.83 m
Leaf Color
Green, Yellow, Brown
Leaf Type
Deciduous
Flower Color
White
Flower Size
7.62 cm to 15.24 cm
Bloom Time
Mid summer
Planting Time
Spring, Autumn
Harvest Time
Mid summer, Late summer
ALSO KNOWN AS

Other names.

en Coastal sweetpepperbush en Summersweet en Coastal sweet pepperbush en Pink-spire en Sweet pepperbush en Summersweet Clethra en Coastal sweet pepper bush en White alder en Sweet pepper bush en 'Indian' soap en Ruby Spice (Arnold Arboretum ) en Mansori en "Pepper bush en Summer Sparklers en Coastal pepperbush
ALSO IN THE LIBRARY

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