United States / Grow / Vervains

Vervains Verbena

This hub compares 3 species records. Across all 4 records, it carries 11 evidence rows from 7 distinct cited sources. The species split is 1 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: vervain Verbena spp. Keep away Limited evidence 2 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

swamp verbena Fire-resistant Verbena hastata Consensus · 3 sources Zones 3–9 genus-level claims ↑

Awaiting evidence: 2 species

About vervains

Directory notes

Plant forms recorded in this group: perennial, groundcover. The records span published USDA zones 3–9. These are record-level fields, not a whole-genus flammability claim.

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

Where rated vervains grow

Tagged as growing in 51 states.

See Verbena on Grow → · JSON