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Sweetpepperbushes Clethra

Every rated Clethra record is fire-resistant — 1 of 3 records; none is condemned. These counts describe the cited records — 3 records carrying 16 evidence rows from 9 cited sources; they do not make one verdict for the genus.

Fire-resistant

1 species

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

Awaiting evidence

2 species

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

About sweetpepperbushes

Corpus context. Clethra is the directory's #279 largest of 550 genus groups: 3 records carrying 16 evidence rows from 9 cited sources, recorded as shrub, tree , hardy across USDA zones 5–5. Those are corpus facts, 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