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treasure-flower

Gazania uniflora (accepted: Gazania rigens) · Asteraceae · all Gazania records · also called Trailing Gazania · syn. Gazania uniflora · Wikipedia

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Treasure-flower is rated fire resistant, though the strongest direct support comes from one Southern California field trial.

The Los Angeles State & County Arboretum recommended this groundcover in Category 2, for non-succulent plants with high leaf-moisture capacity of 80 to 95 percent under normal garden conditions at the Arboretum. That is the second of four recommended categories, below the 90-to-95-percent “greatest” band but above the medium-high and lowest bands. Moist leaves help explain the favorable placement, while the garden condition matters because the rating assumes normally maintained plants.

The Diablo Firesafe Council also lists treasure-flower among plants receiving favorable fire-performance ratings in at least three references. Its row cites 18 of the guide’s 57 numbered references. That breadth supports the favorable judgment, but the guide also says the ranking terms used by those references were mostly undefined, so their agreement is less precise than the Arboretum’s moisture-based category.

Taken together, the sources support calling Gazania uniflora fire resistant, especially as a maintained groundcover. The conclusion is favorable, but the primary evidence is limited: the clearest direct basis is the Arboretum’s leaf-moisture field work, while the council guide mainly shows that favorable ratings recur across earlier references.

Form
groundcover
Rated in
California; Southern California
On this lot

1. Fire evidence and conditions

Fire evidence
Fire-resistant — location does not change the cited classification.
Fire-performance conditions
1 condition stated in cited fire-evidence rows.
Placement evidence
2 source placement records; source schemes remain separate.
Evidence regions
California; Southern California
Typed publication scope: 1 scope across 1 cited fire source
  • Fire Performance of Common Plants (Guide to Plants) · Official scoped edition
    • CA; partial normalized coverage · 2026-08-29

      The guide presents itself as fire performance ratings for common landscape plants in a fire-prone California setting. FireApproved publishes 104 exact owners as republished California context. It is not an independent rating, a current endorsement, or parcel suitability.

2. Why this plant is relevant here

3. Legal, ecological, and broader status

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.

Conditions in the fire evidence

These describe tested or rated plant material. They are not horticultural maintenance instructions.

Where its sources say to plant it

Placement rules below use each source's own distances or named zones, tied to its rating. They are not interchangeable with the directory's current Zone 0 guidance.

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.

Recommends (2)

Corroboration (1 rows from 1 source)

  • Fire Performance of Common Plants (Guide to Plants) — Diablo Firesafe Council · live page captured 2026-08-29 · original source Corroboration Mirror lineage: ucfpl-berkeley resolves to Defensible Space Landscaping in the Urban/Wildland Interface: A Compilation of Fire Performance Ratings of Residential Landscape Plants

    “Table 1: favorable fire performance rating in 3 or more references (refs 7,10,11,12,23,24,25,27,28,35,36,37, 38,39,40,41,42,53)”

    The Diablo Firesafe Council Guide to Plants lists Gazania uniflora (G.ringens leucolaena) (Trailing ganzania) as groundcover, perennial, in Table 1: plants with a favorable fire performance rating in 3 or more references. The guide cites 18 of its 57 numbered references for this row (7,10,11,12,23,24,25,27,28,35,36,37, 38,39,40,41,42,53). The guide states the ranking terms in its underlying references were mostly undefined and makes no attempt to rank within the list, and that fire performance is compromised without maintenance.

Same genus in the directory · the Gazania group page

Last verified 2026-08-25. JSON (CC BY 4.0)

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Gazania uniflora (Trailing Gazania). FireApproved. https://fireapproved.com/plants/gazania-uniflora/. Last verified 2026-08-25.