Clethra
Sweet pepperbush · also White alder, Japanese clethra, Japanese sweet shrub
Report an issue with this species
Clethra is a genus of flowering shrubs or small trees that can be evergreen or deciduous. They bear small, white or pinkish flowers in clusters, with glossy, serrated leaves that turn yellow and red in the fall. The bark often sheds in winter, providing year-round visual interest.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 1580.01%——
- 20.00%—6.7 in
No city in this list records planting dates for this species, so age is blank throughout.
Traits
- Mature height
- 30 ft
- Canopy spread
- 15 ft
- Water needs
- Moderate
- Wildlife value
- High
- Blooms
- Aug, Sep
Trunk diameters across every city: median 6.7 in, mean 6.7 in, 90th percentile 7.3 in. Measured at breast height, as published by each inventory.
Native range
Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.
Temperate Broadleaf & Mixed Forests
- Central China Loess Plateau mixed forests
- Southern Korea evergreen forests
Other Clethra in the catalogue
3 of the top 2,000 species are in this genus.
