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Barberries Mahonia

This hub compares 5 species records. Across all 6 records, it carries 24 evidence rows from 19 distinct cited sources. The species split is 1 fire-resistant, 1 keep-away, 1 in documented conflict, 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: barberry Mahonia spp. Fire-resistant Consensus 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: 1 species

Mahonia × media Fire-resistant Mahonia × media Limited evidence · 1 source genus-level claims ↑

Keep away: 1 species

Beale's barberry Keep away Mahonia bealei Limited evidence · 2 sources Zones 6–6 genus-level claims ↑

Documented conflict: 1 species

honest ties — treat conservatively near structures

hollyleaved barberry Documented conflict Mahonia aquifolium the PNW-590 regional list says low · Ohio's OSU Bulletin 921 says high Zones 2–2 genus-level claims ↑

Awaiting evidence: 2 species

About barberries

Directory notes

Plant forms recorded in this group: shrub. The records span published USDA zones 2–6. Recorded trait flags: 1 carry high foliar moisture flags — each cited on its page. These are record-level fields, not a whole-genus flammability claim.

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

Where rated barberries grow

Tagged as growing in 26 states.

See Mahonia on Grow → · JSON