United States / Grow / Firethorns

Firethorns Pyracantha

This hub compares 2 species records. Across all 3 records, it carries 37 evidence rows from 21 distinct cited sources. The species split is 1 in documented conflict and 1 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: firethorn Pyracantha spp. Fire-resistant Majority — dissent on page 15 sources rate the genus as a whole. Species evidence never rolls upward into a genus verdict, and genus claims never override a species record. ›

Documented conflict: 1 species

honest ties — treat conservatively near structures

scarlet firethorn Documented conflict Pyracantha coccinea the NIST whole-plant shrub burns says low · the Eastern US Fire Performance Plant Selector says high Zones 5–5 genus-level claims ↑

Awaiting evidence: 1 species

narrowleaf firethorn Awaiting evidence Pyracantha angustifolia Mid-scale score · 2 sources genus-level claims ↑

About firethorns

Directory notes

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

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

Where rated firethorns grow

Tagged as growing in 26 states.

See Pyracantha on Grow → · JSON