Photo of Clethra acuminata flower by Zen

Photo by Zen

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Clethra acuminata

Also Known As

  • Cinnamon-bark Clethra
  • Mountain Clethra
  • Mountain Pepperbush
  • Mountain Sweet Pepperbush
  • Mountain White-alder

Plant type

shrub

size

  • H: 8'-20'
  • W: 6'-15'

planting zones

  • 5a-8b

More Options

Clethra acuminata plant details

Clethra acuminata is a broadleaf deciduous shrub with green foliage. In summer white flowers emerge. Attracts bees, birds, butterflies and hummingbirds making it an excellent addition to pollinator gardens. Grows well with sun - mostly shade and even moisture water. Does well in well-drained soil.

CHARACTERISTICS OF Clethra acuminata

Plant type: shrub
Plant family: clethraceae
Foliage: deciduous green
Mature size: 6 FT - 15 FT - wide, 8 FT - 20 FT - tall
Flowers: white blooms in summer
Uses: colonizing, fall color, peeling bark, understory

GROWING CONDITIONS for Clethra acuminata

USDA Zones: 5a - 8b
Sun exposure: sun - mostly shade
Watering frequency: even moisture
Resistant to: deer
Soil needs: well-drained

Nursery contributed plant descriptions

From the woods and riverbanks of the Appalachians, this native is larger in every way than C. alnifolia; its late summer-fall flower clusters are pretty as well as fragrant and its bark exfoliates to a polished brown. PSh-Sh/M-W
Native in the Appalachians, this is a plant of the future due to its small stature (typically under 20 ft.), attractive white flowers, peeling bark, adaptability to dry sites, and shade tolerance.
A endangered, small deciduous native tree found in the Appalachian region. It's Common Name comes from the cinnamon color of the inner bark which is revealed as the outer layers peal away, an effect especially noticeable in winter. Long white spires of bell shaped flowers, resembling Lily of the Valley, appear in early summer when few other trees or shrubs are in bloom, opening sequentially from base to tip and are a good source of Butterfly Nectar. Often needs some pruning to maintain a tree form as opposed to a large shrub form.

By: Lazy S'S Farm Nursery

Gardening facts about Clethra acuminata plant

How to Grow Clethra acuminata

  • Sun Exposure

    • sun - mostly shade
  • Water Needs

    • even moisture
  • Soil Needs

    • well-drained

Features

  • Foliage Color

    • green
  • Flower Color

    • white
  • Wildlife

    • birds
    • bees
    • butterflies
    • hummingbirds
    • deer resistant
  • Flower Season

    • summer
  • Foliage Season

    • deciduous

See other plant types of Clethra for your garden

aka Ruby Spice Summer Sweet, Sweet Pepperbush

Plant Type

Shrub

Zones

4a-9b

Size

Height: 4'-8'

Width: 3'-5'

  • sun - mostly shade
  • even moisture - high
Photo of Clethra alnifolia 'Ruby Spice' flower by Hoot Owl Hollow Nursery
View Plant

aka Hummingbird Summer Sweet, Hummingbird Sweet Pepperbush

Plant Type

Shrub

Zones

3a-9b

Size

Height: 2'-4'

Width: 3'-5'

  • sun - mostly sun
  • even moisture - high
Photo of Clethra alnifolia 'Hummingbird' flower by Hoot Owl Hollow Nursery
View Plant

More Options

aka Sixteen Candles Summer Sweet, Summersweet

Plant Type

Shrub

Zones

4a-9b

Size

Height: 30"-60"

Width: 24"-48"

  • sun - mostly shade
  • even moisture - regular
Photo of Clethra alnifolia 'Sixteen Candles' flower, foliage by Briggs Plant Propagators
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More Options

aka Summersweet

Plant Type

Shrub

Zones

4a-9b

Size

Height: 4'-8'

Width: 4'-6'

  • sun - mostly shade
  • even moisture - regular
Photo of Clethra alnifolia flower, foliage, form by Kenpei
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More Options

aka Pink Spires Sweet Pepperbush

Plant Type

Shrub

Zones

4a-8b

Size

Height: 3'-8'

Width: 4'-6'

  • sun - mostly shade
  • even moisture - high
Photo of Clethra alnifolia 'Pink Spires' flower by Forestfarm
View Plant

More Options

+18 more Clethra
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