United States / Grow / Mountain Ashes

Mountain Ashes Sorbus

This hub compares 5 species records. Across all 6 records, it carries 20 evidence rows from 16 distinct cited sources. The species split is 3 fire-resistant and 2 awaiting directional evidence. 1 genus-rank record is shown separately; genus-rank claims do not override a species record, and species evidence does not become one verdict for the genus.

Rated as a group: mountain ash Sorbus spp. Fire-resistant Limited evidence 3 sources rate the genus as a whole. Species evidence never rolls upward into a genus verdict, and genus claims never override a species record. ›

Fire-resistant: 3 species

Awaiting evidence: 2 species

About mountain ashes

Directory notes

Plant forms recorded in this group: tree, shrub. The records span published USDA zones 2–7. These are record-level fields, not a whole-genus flammability claim.

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

Where rated mountain ashes grow

Tagged as growing in 39 states.

See Sorbus on Grow → · JSON