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Bitterbrushes Purshia

The rated Purshia records split: 0 fire-resistant, 0 keep-away, 1 in documented conflict. These counts describe the cited records — 2 records carrying 13 evidence rows from 10 cited sources; they do not make one verdict for the genus.

Documented conflict

1 species

honest ties — treat conservatively near structures

Bitterbrush Documented conflict Purshia tridentata Firewise Plants for Utah Landscapes says low · Ashland's prohibited-plants ordinance says high Zones 4–4

Awaiting evidence

1 species

Purshia glandulosa Awaiting evidence Purshia glandulosa Limited evidence · 1 source Zones 5–5

About bitterbrushes

Corpus context. Purshia is the directory's #512 largest of 550 genus groups: 2 records carrying 13 evidence rows from 10 cited sources, recorded as shrub , hardy across USDA zones 4–5. Those are corpus facts, not a whole-genus flammability claim.

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

Where rated bitterbrushes grow

Tagged as growing in 12 states.

See Purshia on Grow → · JSON