Clethra alnifolia
Coastal sweetpepperbush · Summersweet · Coastal sweet pepperbush · Pink-spire · Sweet pepperbush
Description
Source: leafsnapClethra 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.
🌳 Summersweet is an unusual shrub that blooms late in the summer. It can be used as a hedge and also looks attractive in a shrub border. This plant is an excellent addition to naturalistic, woodland, or cottage-style gardens. Pair it with dogwood, asters, and purple coneflowers for a stunning combination.
Care Guide
💧 Water
☀️ Light Partial sun
🌡️ Temperature 0–35°C
💨 Humidity
🪴 Soil 4-6
🌱 Fertilizer
🪴 Pot & Repot
✂️ Pruning
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity
Characteristics
- 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