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NC Native Plant Society:
Plant Details

Clethra tomentosa [= Clethra alnifolia var. tomentosa]

Downy Sweet-pepperbush, Downy White-alder, Summersweet

Scientific Name:

Clethra tomentosa [= Clethra alnifolia var. tomentosa]

Genus:

Clethra

Species Epithet:

tomentosa

Common Name:

Downy Sweet-pepperbush, Downy White-alder, Summersweet

Plant Type

Shrub

Life Cycle

Perennial

Plant Family

Clethraceae (Clethra Family)

Native/Alien:

S.E. 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:

July, August, September

Habitat Description:

Pocosins, swamps, streambanks. Native from SC south to FL and west to LA.

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:

Recommended and Available

State Rank:

SNR: Not Ranked (*Key)

Global Rank:

G3 - Vulnerable, G5 - Secure (*Key)

Notes:

It is unclear if the species occurs in North Carolina.

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Links:

USDA PLANTS Database Record

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

https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=293526&isprofile=0&
 



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