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Spireas
Most rated Spiraea records are fire-resistant — 8 of 13 records, including the genus rated as a group. These counts describe the cited records — 13 records carrying 38 evidence rows from 18 cited sources; they do not make one verdict for the genus.
Rated as a group: Spirea Spiraea Fire-resistant Consensus 6 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
7 species
-
Bumald Spirea Fire-resistant Spiraea x bumalda -
Van houtte bridalwreath spirea Fire-resistant Spiraea vanhouttei -
Japanese Spirea Fire-resistant Spiraea japonica -
Bridalwreath spirea Fire-resistant Spiraea prunifolia -
Western spirea Fire-resistant Spiraea douglasii -
Nippon bridalwreath spirea Fire-resistant Spiraea nipponica -
Meadowsweet Fire-resistant Spiraea alba
Keep away
2 species
Awaiting evidence
3 species
- Spiraea salicifolia Awaiting evidence Spiraea salicifolia
- Spirea Awaiting evidence Spiraea betulifolia
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Thunberg spirea Awaiting evidence Spiraea thunbergii
About spireas
Corpus context. Spiraea is the directory's #37 largest of 550 genus groups: 13 records carrying 38 evidence rows from 18 cited sources, recorded as shrub , hardy across USDA zones 3–8. Those are corpus facts, not a whole-genus flammability claim.
More about Spiraea: Wikipedia — external references; not evidence sources.