United States / Grow / Coneflowers

Coneflowers Rudbeckia

This hub compares 6 species records. Across all 7 records, it carries 24 evidence rows from 13 distinct cited sources. The species split is 3 fire-resistant and 3 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: coneflower Rudbeckia spp. Awaiting evidence Mid-scale score 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: 3 species

Awaiting evidence: 3 species

About coneflowers

Directory notes

Plant forms recorded in this group: perennial. The records span published USDA zones 4–9. These are record-level fields, not a whole-genus flammability claim.

See Rudbeckia on Grow → · JSON