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Clethra acuminata Michx.
Mountain sweet pepperbush, Cinnamon clethra
Clethraceae (Sweet-Pepperbush Family)
USDA Symbol: CLAC3
USDA Native Status: L48 (N)
A 12-20 ft., multi-stemmed shrub with exfoliating, red-brown bark. Dark-green foliage turns yellow-orange in fall. Dense, terminal, drooping spikes of white flowers are spicily perfumed and are followed by brown capsules which persist through winter.
No serious disease, insect or physiological problems. Often suckers.
Plant CharacteristicsDuration: Perennial Habit: Shrub Flower:
Fruit: Size Class:
Bloom InformationBloom Color: White
Bloom Time: Jun , Jul , Aug
, WV Native Distribution:
Mts. of PA
to extreme n. GA
mts. Native Habitat:
Wooded mt. bluffs & ravines
Growing ConditionsLight Requirement: Part Shade
Soil pH: Acidic (pH<6.8)
Soil Description: Acid, rocky soils.
Conditions Comments: No serious disease, insect or physiological problems. Often suckers.
PropagationDescription: Propagate by seed or softwood cuttings, with or without hormone treatment, under mist.
Seed Treatment: Tiny seeds require no pretreatment.
Commercially Avail: yes
From the National Suppliers Directory
According to the inventory provided by Associate Suppliers, this plant is available at the following locations:
- Warrensville, NCAmerican Native Nursery
- Quakertown, PA
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Delaware Nature Society
- Hockessin, DEMt. Cuba Center
- Hockessin, DE
Record Last Modified: 2013-09-08
Research By: TWC Staff