United States / Grow / St. Johnsworts

St. Johnsworts Hypericum

This hub compares 3 species records. Across all 4 records, it carries 15 evidence rows from 9 distinct cited sources. The species split is 3 fire-resistant. 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: St. Johnswort Hypericum Awaiting evidence Limited evidence 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: 3 species

About st. johnsworts

Directory notes

Plant forms recorded in this group: shrub, groundcover. The records span published USDA zones 2–6. These are record-level fields, not a whole-genus flammability claim.

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

Where rated st. johnsworts grow

Tagged as growing in 37 states.

See Hypericum on Grow → · JSON