United States / Grow / Sweetpepperbushes

Sweetpepperbushes Clethra

This hub compares 3 species records. Across all 3 records, it carries 16 evidence rows from 9 distinct cited sources. The species split is 1 fire-resistant and 2 awaiting directional evidence. The species records remain separate: their evidence does not become one verdict for the genus.

Fire-resistant: 1 species

coastal sweetpepperbush Fire-resistant Clethra alnifolia Consensus · 11 sources Zones 5–5

Awaiting evidence: 2 species

Clethra rosei Awaiting evidence Clethra rosei Limited evidence · 4 sources
mountain sweetpepperbush Awaiting evidence Clethra acuminata Mid-scale score · 1 source Zones 5–5

About sweetpepperbushes

Directory notes

Plant forms recorded in this group: shrub, tree. The records span published USDA zones 5–5. These are record-level fields, not a whole-genus flammability claim.

More about Clethra: Wikipedia — external references; not evidence sources.

Where rated sweetpepperbushes grow

Tagged as growing in 24 states.

See Clethra on Grow → · JSON