Sweet pepperbush

Clethra alnifolia 'Sixteen Candles'

Photo/Illustration: 
Courtesy Forest Farm
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Sweet pepperbush (Clethra alnifolia 'Sixteen Candles')
KLETH-rah all-nih-FOE-lee-ah
Genus:  Clethra
‘Sixteen Candles’ summersweet is a newer cultivar of a popular native shrub. This compact selection reaches 3 to 5 feet tall. In summer, ‘Sixteen Candles’ is topped with aromatic, erect, butterfly-enticing white blooms for 4 to 6 weeks. In fall, the leaves turn an attractive yellow.
Noteworthy Characteristics:  A shorter cultivar selected for its sturdy branching system and large (up to 6 inches), upright, white flowering "candles".
Care:  Like other summersweets, ‘Sixteen Candles’ loves wet locations in partial shade but does fine in average garden soils in full sun. Supply plants with composted organic matter to encourage roots to spread. Wandering roots and stems can easily be chopped off and transplanted.
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
3 ft. to 6 ft.
Spread
3 ft. to 6 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
Fall,
Late Summer,
Summer
Flower Color
White
Uses
Beds and Borders
Style
Shade,
Woodland Garden
Seasonal Interest
Summer Interest
Tolerance
Deer Tolerant
Type
Shrubs

Related Plants to Clethra alnifolia 'Sixteen Candles'

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Sweet pepperbush
Clethra alnifolia
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Smooth hydrangea
Hydrangea arborescens
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Smooth hydrangea
Hydrangea arborescens 'Annabelle'
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Summersweet
Clethra alnifolia 'Pink Spire'