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Yarrows Achillea

Every rated Achillea record is fire-resistant — 5 of 5 records, including the genus rated as a group; none is condemned. These counts describe the cited records — 5 records carrying 39 evidence rows from 24 cited sources; they do not make one verdict for the genus.

Rated as a group: Yarrow Achillea Fire-resistant Consensus 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. ›

Fire-resistant

4 species

About yarrows

Corpus context. Achillea is the directory's #139 largest of 550 genus groups: 5 records carrying 39 evidence rows from 24 cited sources, recorded as perennial, groundcover , hardy across USDA zones 3–9. Those are corpus facts, not a whole-genus flammability claim.

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

Where rated yarrows grow

Tagged as growing in 51 states.

See Achillea on Grow → · JSON