Sweet Pepperbush
Clethra alnifolia
Also listed as Clethra angustifolia, Clethra bracteata
Also known as Summersweet, Coastal Sweet Pepperbush
Climate Match for your location
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A deciduous shrub prized for its fragrant, bottlebrush-like white flower spikes that bloom mid to late summer. It thrives in moist, acidic soils and prefers part shade, making it ideal for woodland gardens and moist borders.
Why grow it
Sweet pepperbush offers reliable mid-to-late summer flowering when many woodland shrubs have finished blooming, filling a useful seasonal gap. Its fragrance and bottlebrush flower form provide aesthetic interest distinct from more common summer-blooming shrubs, while its tolerance for consistently moist, acidic soils makes it valuable for sites where many ornamentals struggle. The species is notably less aggressive than some alternatives in wet conditions, suiting gardens where invasive traits are a concern.
Watch out for
This shrub requires consistently moist soil and performs poorly in dry conditions, so it may need supplemental watering during extended drought even when established. Plants are slow to mature and establish, often taking several seasons to reach full size, which some gardeners find frustrating relative to faster-growing alternatives.
Overview
- Form
- Growth Rate
- Size
- Dormancy
- Family
- Clethraceae
Native to the United States
Native Range
Eastern North America
Native to: Alabama, Connecticut, Delaware, Florida, Georgia, Louisiana, Massachusetts, Maryland, Maine, Mississippi, North Carolina, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia
Seasonality
Bloom Season
Season of Interest
Shrub
Woody multi-stem plants at eye level.
Succession Role
Tolerances & Soil
Flood Tolerance
Deer Resistance
Inferred from USDA browse palatability
pH Range
Soil Texture
Establishment & Care
- Establishment
- Maintenance
- Propagation
A deciduous shrub prized for its fragrant, bottlebrush-like white flower spikes that bloom mid to late summer. It thrives in moist, acidic soils and prefers part shade, making it ideal for woodland gardens and moist borders.
Climate Match for your location
See how well Sweet Pepperbush grows in your area.
Enter your ZIP code and we'll show you how this plant fits your local climate.
Why grow it
Sweet pepperbush offers reliable mid-to-late summer flowering when many woodland shrubs have finished blooming, filling a useful seasonal gap. Its fragrance and bottlebrush flower form provide aesthetic interest distinct from more common summer-blooming shrubs, while its tolerance for consistently moist, acidic soils makes it valuable for sites where many ornamentals struggle. The species is notably less aggressive than some alternatives in wet conditions, suiting gardens where invasive traits are a concern.
Watch out for
This shrub requires consistently moist soil and performs poorly in dry conditions, so it may need supplemental watering during extended drought even when established. Plants are slow to mature and establish, often taking several seasons to reach full size, which some gardeners find frustrating relative to faster-growing alternatives.
Overview
- Form
- Growth Rate
- Size
- Dormancy
- Family
- Clethraceae
Native to the United States
Native Range
Eastern North America
Native to: Alabama, Connecticut, Delaware, Florida, Georgia, Louisiana, Massachusetts, Maryland, Maine, Mississippi, North Carolina, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia
Seasonality
Bloom Season
Season of Interest
Shrub
Woody multi-stem plants at eye level.
Succession Role
Tolerances & Soil
Flood Tolerance
Deer Resistance
Inferred from USDA browse palatability
pH Range
Soil Texture
Establishment & Care
- Establishment
- Maintenance
- Propagation
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