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Saltbush is rated fire resistant on limited evidence, with an explicit fire-prone warning from Yavapai County qualifying the favorable answer.
The Arizona extension bulletin puts Atriplex among fire-prone plants common to Yavapai County. It describes that category as plants which can ignite readily and burn intensely. This warning applies to saltbush as a group in the bulletin, so a favorable description elsewhere should not make it disappear from a planting decision.
Utah State University Extension takes a different position. Its list includes Atriplex species among plants that can be Firewise when properly used and maintained. The favorable recommendation is therefore tied to how the shrub is placed and cared for in a Utah landscape.
These sources offer regional guidance without resolving their disagreement. They do not show that a particular climate or maintenance practice caused the opposing assessments. A homeowner has qualified support from Utah and an adverse Arizona recommendation, both of which belong beside the overall fire-resistant assessment.
Form
shrub
Rated in
Utah / Intermountain West; Yavapai County, Arizona
On this lot
1. Fire evidence and conditions
Fire evidence
Fire-resistant — location does not change the cited classification.
Fire-performance conditions
Fire ecology context
Placement evidence
Evidence regions
Utah / Intermountain West; Yavapai County, Arizona
Maintenance
Typed publication scope: 2 scopes across 2 cited fire sources
Utah State University Extension states that this fact sheet selects examples for Utah landscapes and that they require proper placement and maintenance. FireApproved publishes 83 exact source owners at Utah publication scope. The table is not a site-specific planting clearance.
Yavapai County (AZ footprint); partial normalized coverage · 2025-03-14
University of Arizona Cooperative Extension authors Bulletin 34 for Yavapai County. FireApproved publishes 198 exact source owners from its resistant and prone tables and keeps the county boundary visible. County publication scope is regional Arizona context, never statewide scope.
2. Why this plant is relevant here
State distribution
Documented in AZ.
Native range
Introduced / established
USDA hardiness
3. Legal, ecological, and broader status
Legal-list status
Seed-list status
Reported invasive here
Broader regional context
Federal context
How to read this page
The status above is computed from the cited rows below: independent recommendations can support a fire-resistant result, an avoid row can produce keep-away, and disagreement stays visible as conflict. Placement notes preserve each source’s own scheme rather than translating unlike rules into one scale. This is evidence about a plant, not permission to plant it in every part of the defensible space; Zone 0 remains noncombustible.
The evidence
Grouped by what each source concluded. Primary evidence rated the plant itself
(a lab, field program, or original curation); corroboration compiled or
republished another source's rating and resolves to its root lineage.
Listed as Saltbush — Atriplex sp.. The bulletin says fire-resistant plants tend to resist ignition when irrigated and maintained, while fire-prone plants may ignite readily and burn intensely.
