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NC Native Plant Society:
Plant Details

Clethra alnifolia

Coastal Sweet-pepperbush, Coastal White-alder, Summersweet

Scientific Name:

Clethra alnifolia

Genus:

Clethra

Species Epithet:

alnifolia

Common Name:

Coastal Sweet-pepperbush, Coastal White-alder, Summersweet

Plant Type

Shrub

Life Cycle

Perennial

Plant Family

Clethraceae (Clethra Family)

Native/Alien:

NC Native

Invasive Status:

(*Key)

Size:

3-6 ft., 6-12 ft.

Bloom Color(s):

White

Light:

Sun - 6 or more hours of sun per day, Part Shade - 2 to 6 hours of sun per day

Soil Moisture:

Moist, Wet

Bloom Time:

June, July, August

Growing Area:

Sandhills, Coastal Plain

Habitat Description:

Pocosins, blackwater swamp forests, non-riverine swamp forests. Common in NC coastal plain.

Leaf Arrangement:

Alternate

Leaf Retention:

Deciduous

Leaf Type:

Leaves veined, not needle-like or scale-like

Leaf Form:

Simple

Life Cycle:

Perennial

Wildlife Value:

Important for Wildlife

Landscape Value:

Highly Recommended and Available

State Rank:

S5: Secure (*Key)

Global Rank:

G5 - Secure (*Key)

Notes:

Flowers fragrant. Colonial. Many cultivars available in the nursery trade.

Flowering in July with attractive fragrance

Garden in Orange County, NC

Bettina Darveaux

Developing fruit (capsules) in the October

Garden in Orange County, NC

Bettina Darveaux

Links:

USDA PLANTS Database Record

https://auth1.dpr.ncparks.gov/flora/species_account.php

https://nc.audubon.org/700

https://gobotany.nativeplanttrust.org/species/clethra/alnifolia/

https://plants.ces.ncsu.edu/plants/clethra-alnifolia/



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