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Portugal laurel has genuinely conflicting fire-resistance ratings, so it cannot be called simply fire resistant.
The Dorset Heaths Partnership, Firewise UK, and University of Exeter wildFIRE Lab place Portuguese laurel in the red class of their green, amber, and red testing scale. Their warning advises against planting Portugal laurel directly beside a home or shed. Dead, dry parts can produce flames over 2.5 metres.
The Diputació de Girona and Catalonia’s fire service reach the opposite conclusion, rating Prunus lusitanica “recommended.” Their qualitative garden-suitability method assumes species-specific care. It weighs origin and invasiveness alongside maintenance, fuel structure, fire evidence, and expert fire-service experience.
The Catalan guidance supports Portugal laurel under its care-based, multi-factor method, while the British guidance identifies a clear hazard from dead, dry material. For a homeowner choosing near a building, the safest reading is that Portugal laurel remains disputed, with a specific reason to avoid placing it directly beside a home or shed.
4 sourced range or established records. This is not an invasive warning.
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.
Native and introduced range evidence
These are exact U.S. botanical-area records from the cited range source. Native and
introduced describe biogeographic relationship, not fire performance or planting approval.
Doubtful and extinct rows stay visible but do not count as current presence.
The lossless worldwide derivative is retained once in the research corpus; object pages repeat only exact U.S. areas needed by the local lens. The JSON twin carries the same page assertions.
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.
Guía de pirojardinería: suitable inside or outside the 25-metre maximum-risk zone [girona-2020-iuf-25m-suitability] (with its recommendation)
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.
Prunus lusitanica is rated “RECOMENDADA” by the guide's qualitative IUF garden-suitability method. The method assumes species-specific care and integrates fire evidence with fuel structure, maintenance, origin, invasiveness, and expert fire-service experience.
