Mountain Sweet Pepperbush
Clethra acuminata
Last reviewed: June 2026

Light
part shade
Water
medium
Size
72"–240" H × 48"–120" W
Bloom
Jul, Aug
Native to
AL, GA, KY, NC and 5 more states
Pollinators
bees, butterflies, moths
Mountain sweet pepperbush is a large native shrub that produces fragrant white flower spikes in mid to late summer. It thrives in partial shade with moderate moisture and provides excellent seasonal interest with its aromatic blooms and attractive fall foliage.
In an HOA neighborhood
Mountain Sweet Pepperbush is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.
Works well in: backyard only, mid zone, foundation.
- Large mature size may overwhelm smaller landscapes
- Can appear sparse in winter without leaves
Wildlife value
The fragrant summer flowers attract bees, butterflies, and moths, making it valuable for pollinators during the peak growing season.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Mountain Sweet Pepperbush fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.