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Short-leaved Stonecrop is rated fire resistant, although its direct support is limited.
The Los Angeles State & County Arboretum placed Sedum brevifolium in its greatest fire-retardance category after a Southern California field trial. Under the Arboretum's normal garden conditions, its greatest fire-retardance category describes succulents with a leaf moisture capacity of 90–95%. That is the clearest direct basis for the rating, and its stated conditions should remain attached to the result.
Later California sources point the same way. The University of California Forest Products Laboratory reported that four references recommended Short-leaved Stonecrop for high-fire-risk areas. The Diablo Firesafe Council identified it as a succulent groundcover with favorable fire-performance ratings in at least three references. These sources strengthen the agreement, but both gather or republish earlier plant ratings rather than provide another direct field result.
The favorable conclusion therefore rests on agreement across three institutions, anchored by one moisture-based field trial. The university report cautions that many underlying plant lists lacked a scientific basis and used undefined terms, while the Diablo council also says most ranking terms in its referenced sources were undefined. Short-leaved Stonecrop is reasonably described as fire resistant for landscaping, but the evidence is stronger as a recommendation than as a broad scientific claim about every growing condition.
Form
succulent
Rated in
California; Southern California
On this lot
1. Fire evidence and conditions
Fire evidence
Fire-resistant — location does not change the cited classification.
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.
The UC Forest Products Laboratory says the guide covers properties of common California landscaping plants and was prepared for California fire agencies. FireApproved publishes 130 exact owners at historical California publication scope. The report is a 1997 compilation, not a current endorsement, site rating, or independent test of every row.
2. Why this plant is relevant here
State distribution
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.
Conditions in the fire evidence
These describe tested or rated plant material. They are not horticultural maintenance instructions.
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.
Fire-Retardant Plants for Brush Fire Prevention in Hillsi…: Category 1 [la-arboretum-1970-leaf-moisture-fire-retardance] (with its recommendation)
Defensible Space Landscaping in the Urban/Wildland Interf…: Chapter 4, Landscape Vegetation Database [ucfpl-1997] (with its recommendation)
Fire Performance of Common Plants: Table 1 (favorable in 3 or more references) [diablo-guide-to-plants-three-reference-vote] (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.
“CATEGORY 1 — GREATEST FIRE RETARDANCE Succulents (moisture content 90-95%)”
· condition: green
Sedum brevifolium (Green Stonecrop) is one of 30 low-growing plants in the source's recommended Table 1. The category reflects leaf moisture capacity under normal garden conditions at the Arboretum.
Fire Performance of Common Plants (Guide to Plants) — Diablo Firesafe Council · live page captured 2026-08-29 · original sourceCorroborationMirrorlineage: 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 7,9,24,25)”
The Diablo Firesafe Council Guide to Plants lists Sedum brevifolium (Stonecrop) as groundcover, succulent, in Table 1: plants with a favorable fire performance rating in 3 or more references. The guide cites 4 of its 57 numbered references for this row (7,9,24,25). 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.