Sweet pepperbush

Clethra alnifolia

Clethra alnifolia 'Ruby Spice'
Photo/Illustration: 
Courtesy of Park Seed
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Sweet pepperbush (Clethra alnifolia)
KLETH-rah all-nih-FOE-lee-ah
Genus:  Clethra
This upright, suckering shrub has fragrant, white or pink terminal flower spikes in late summer. The blooms look like bottle brushes and attract butterflies and bees. Leaves turn a pleasant yellow in autumn.
Noteworthy Characteristics:  Cultivars include ‘Paniculata’, ‘Rosea’, ‘Pink Spires’, and ‘Hummingbird’. Blooms well in shady areas.
Care:  Site in dappled or partial shade and fertile, acidic, moist but well-drained soil. In winter, remove some of the oldest wood at the base.
Propagation:  Sow seed at 43° to 54°F in spring or autumn. Root greenwood cuttings in early summer.
Problems:  Fungal dieback and root rot can occur.

Overview

Height
6 ft. to 10 ft.
Spread
6 ft. to 10 ft.
Growth Habit
Spreads
Growth Pace
Invasive/Aggressive Grower
Light
Full Sun to Part Shade
Moisture
Medium Moisture
Maintenance
Low
Characteristics
Attracts Hummingbirds,
Fragrant Flowers,
Native
Bloom Time
Late Summer,
Summer
Flower Color
Pink Flower,
White Flower
Uses
Beds and Borders
Style
Shade,
Woodland Garden
Seasonal Interest
Summer Interest
Tolerance
Deer Tolerant
Type
Shrubs

Related Plants to Clethra alnifolia

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Sweet pepperbush
Clethra alnifolia 'Sixteen Candles'
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Sweet pepperbush
Clethra alnifolia 'Hummingbird'
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False spirea
Sorbaria sorbifolia
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Summersweet
Clethra alnifolia 'Pink Spire'