United States / Grow / Elms

Elms Ulmus

This hub compares 10 species records. Across all 11 records, it carries 53 evidence rows from 19 distinct cited sources. The species split is 8 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: elm Ulmus spp. Fire-resistant Limited evidence 4 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: 8 species

Awaiting evidence: 2 species

About elms

Directory notes

Plant forms recorded in this group: shrub, tree. The records span published USDA zones 4–5. These are record-level fields, not a whole-genus flammability claim.

See Ulmus on Grow → · JSON