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Fire-resistant plants
An evidence directory, not another list: 3801 plants, each carrying every published fire-resistance verdict on record here, cited to its original source. FireApproved does not rate plants; it aggregates who does, and computes each plant's class from that evidence by a published rule. Records carry their own review status — the citations are checkable either way. No plant is fireproof. Zone 0 (the first five feet) is hardscape, whatever the species. The evidence export (snapshot v2026.08.25, CC BY 4.0) is https://doi.org/10.5281/zenodo.22099746. Source documents in that export are dated 1968 through 2026-08-25, from 112 sources in the United States, Europe, the Mediterranean, Australia, New Zealand, South America, and other named regions. Live plant pages stay canonical.
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What "fire-resistant" means here — and what it does not
A plant is labeled fire-resistant when the balance of independent primary evidence recommends it — labs, field programs, and original curations carry the vote; compilations corroborate but never vote; a rater's republications count once. A single primary lineage is enough to classify, and the page says so plainly ("limited evidence"). Dissent is shown in full; even splits are published as conflicts, never averaged away. This is not a FireApproved approval: we publish the evidence; conditions and placement govern, and no plant is fireproof. Common mix-ups: treating Zone 0 as a planting palette; treating one source's rating as settled fact; treating rosemary as firewise because it is drought-tolerant — its record is a documented conflict.
The registry currently tracks 131 sources (66 primary). The published rule · Example JSON · Data CC BY 4.0 · Embed the table for a Firewise committee · Zone 0 landscaping · Zone bands
Documented conflicts (82)
Primary-evidence sources genuinely disagree about these plants. Each page shows exactly which source says what; treat conflicted plants conservatively near structures.
| Plant | Who disagrees |
|---|---|
| Alaska cedar | Michigan's E2948 list says low · the Eastern US Fire Performance Plant Selector says high |
| antelope bitterbrush | Firewise Plants for Utah Landscapes says low · Ashland's prohibited-plants ordinance says high |
| arborvitae | Michigan's E2948 list says low · the Eastern US Fire Performance Plant Selector says high |
| Atlas cedar | the INRA Avignon fire laboratory says low · the Eastern US Fire Performance Plant Selector says high |
| bald cypress | North Carolina's Bardon 2005 list says low · the Eastern US Fire Performance Plant Selector says high |
| begonias | Ohio's OSU Bulletin 921 says low · Guía de pirojardinería says high |
| bottlebrush | Valencia's low-flammability guide says low · Protecting your home from wildfire says high |
| cabbage palmetto | Guía de pirojardinería says low · the Eastern US Fire Performance Plant Selector says high |
| Cape jasmine | the NIST whole-plant shrub burns says low · Virginia Firescapes says high |
| Caryopteris x clandonensis | the PNW-590 regional list says low · the Idaho Firewise field scores says high |
| cedar | Michigan's E2948 list says low · Ashland's prohibited-plants ordinance says high |
| Chinese abelia | Guía de pirojardinería says low · Ohio's OSU Bulletin 921 says high |
| Chinese windmill palm | Guía de pirojardinería says low · Tree fire-protection classification in Hito to Shinrin says high |
| Climbing Hydrangea | Virginia Firescapes says low · Ohio's OSU Bulletin 921 says high |
| common pear | the Eastern US Fire Performance Plant Selector says low · New Zealand's FENZ laboratory directory says high |
| corkscrew willow | the Eastern US Fire Performance Plant Selector says low · Guía de pirojardinería says high |
| crimson bottlebrush | Guía de pirojardinería says low · the Tasmania Fire Service list says high |
| dog rose | Guía de pirojardinería says low · The fire risk of the plant groupings with Cistus in the area of Tlemcen says high |
| Downy oak | Guía de pirojardinería says low · the INRA Avignon fire laboratory says high |
| English oak | the Eastern US Fire Performance Plant Selector says low · New Zealand's FENZ laboratory directory says high |
| English yew | Guía de pirojardinería says low · the Eastern US Fire Performance Plant Selector says high |
| European chestnut | Guía de pirojardinería says low · the INRA Avignon fire laboratory says high |
| European cranberrybush | the Eastern US Fire Performance Plant Selector says low · the Tasmania Fire Service list says high |
| European privet | Valencia's low-flammability guide says low · The ignition index based on flammability of vegetation improves planning in the WUI says high |
| European white birch | the Eastern US Fire Performance Plant Selector says low · Ordering and sorting of fire resistance of tree leaves says high |
| evergreen clematis | Valencia's low-flammability guide says low · Guía de pirojardinería says high |
| Florida hopbush | New Zealand's FENZ laboratory directory says low · the Tasmania Fire Service list says high |
| flowering ash | the Eastern US Fire Performance Plant Selector says low · The ignition index based on flammability of vegetation improves planning in the WUI says high |
| French lavender | Protecting your home from wildfire says low · The fire risk of the plant groupings with Cistus in the area of Tlemcen says high |
| Gall Oak Tree | Valencia's low-flammability guide says low · The fire risk of the plant groupings with Cistus in the area of Tlemcen says high |
| geranium | Valencia's low-flammability guide says low · Guía de pirojardinería says high |
| grape | the Idaho Firewise field scores says low · North Carolina's AG-874 revision says high |
| great laurel | the NIST whole-plant shrub burns says low · Ohio's OSU Bulletin 921 says high |
| Guelder Rose | Landscaping in Florida with Fire in Mind says low · Protecting your home from wildfire says high |
| heather | Fire-resistant Landscape Plants for the Willamette Valley says low · Selective Shrub Management to Preserve Mediterranean Forests and Reduce the Risk of Fire says high |
| hinoki false cypress | Michigan's E2948 list says low · the Eastern US Fire Performance Plant Selector says high |
| holly oak | Valencia's low-flammability guide says low · the INRA Avignon fire laboratory says high |
| holly osmanthus | Guía de pirojardinería says low · Virginia Firescapes says high |
| hollyleaved barberry | the PNW-590 regional list says low · Ohio's OSU Bulletin 921 says high |
| hybrid hickory | the Eastern US Fire Performance Plant Selector says low · the Idaho Firewise field scores says high |
| Hybrid yew | Michigan's E2948 list says low · the Eastern US Fire Performance Plant Selector says high |
| Ilex x meserveae hybrids | Michigan's E2948 list says low · Ohio's OSU Bulletin 921 says high |
| Italian buckthorn | Landscape for Fire Protection says low · The fire risk of the plant groupings with Cistus in the area of Tlemcen says high |
| Japanese flowering cherry | the Eastern US Fire Performance Plant Selector says low · New Zealand's FENZ laboratory directory says high |
| Japanese pieris | Michigan's E2948 list says low · Protecting your home from wildfire says high |
| Japanese yew | Michigan's E2948 list says low · the Eastern US Fire Performance Plant Selector says high |
| laurustinus | Valencia's low-flammability guide says low · Sensibilité des haies face aux incendies de forêt sous climat méditerranéen says high |
| leather flower | Virginia Firescapes says low · the Eastern US Fire Performance Plant Selector says high |
| lemon | New Zealand's FENZ laboratory directory says low · the Tasmania Fire Service list says high |
| lilly-pilly | APS Victoria's field observations says low · the Tasmania Fire Service list says high |
| lily of the Nile | Valencia's low-flammability guide says low · Guía de pirojardinería says high |
| Minorca honeysuckle | Valencia's low-flammability guide says low · The fire risk of the plant groupings with Cistus in the area of Tlemcen says high |
| Northern bayberry | the NIST whole-plant shrub burns says low · Combustion characteristics of north-eastern USA vegetation tested in the cone calorimeter says high |
| oleander | the NIST whole-plant shrub burns says low · The ignition index based on flammability of vegetation improves planning in the WUI says high |
| orange wattle | APS Victoria's field observations says low · The fire risk of the plant groupings with Cistus in the area of Tlemcen says high |
| pecan | the Eastern US Fire Performance Plant Selector says low · Guía de pirojardinería says high |
| Portugal laurel | Guía de pirojardinería says low · Protecting your home from wildfire says high |
| purple passionflower | Virginia Firescapes says low · North Carolina's Bardon 2005 list says high |
| Redroot | Firewise Plants for the Puget Sound Basin says low · Ashland's prohibited-plants ordinance says high |
| Rhododendron obtusum | Michigan's E2948 list says low · Virginia Firescapes says high |
| Rosemary | New Zealand's FENZ laboratory directory says low · Firewise: Fire Resistant Plants says high |
| roundleaf greenbrier | Virginia Firescapes says low · Combustion characteristics of north-eastern USA vegetation tested in the cone calorimeter says high |
| Russian sage | the PNW-590 regional list says low · Ohio's OSU Bulletin 921 says high |
| sawara-cypress | Michigan's E2948 list says low · the Eastern US Fire Performance Plant Selector says high |
| scarlet firethorn | the NIST whole-plant shrub burns says low · the Eastern US Fire Performance Plant Selector says high |
| Scotch broom | Virginia Firescapes says low · Combustion characteristics of north-eastern USA vegetation tested in the cone calorimeter says high |
| Siberian dogwood | Michigan's E2948 list says low · Ordering and sorting of fire resistance of tree leaves says high |
| southern catalpa | the Eastern US Fire Performance Plant Selector says low · Guía de pirojardinería says high |
| spotted gum | APS Victoria's field observations says low · the Tasmania Fire Service list says high |
| squirreltail | Fuel Breaks to Reduce Large Wildfire Impacts in Sagebrush Ecosystems says low · the Idaho Firewise field scores says high |
| St. John's bread | Valencia's low-flammability guide says low · The ignition index based on flammability of vegetation improves planning in the WUI says high |
| strawberry tree | Valencia's low-flammability guide says low · The ignition index based on flammability of vegetation improves planning in the WUI says high |
| tea | the Tasmania Fire Service list says low · Protecting your home from wildfire says high |
| thorny olive | Valencia's low-flammability guide says low · the Eastern US Fire Performance Plant Selector says high |
| topel holly | the NIST whole-plant shrub burns says low · Ohio's OSU Bulletin 921 says high |
| Umbrella-pine | Tree fire-protection classification in Hito to Shinrin says low · the Eastern US Fire Performance Plant Selector says high |
| Virginia rose | Ohio's OSU Bulletin 921 says low · the Eastern US Fire Performance Plant Selector says high |
| wayfaringtree | Michigan's E2948 list says low · Guía de pirojardinería says high |
| Weeping willow | the Eastern US Fire Performance Plant Selector says low · Guía de pirojardinería says high |
| western redcedar | Michigan's E2948 list says low · the Eastern US Fire Performance Plant Selector says high |
| wintergreen barberry | the Eastern US Fire Performance Plant Selector says low · Virginia Firescapes says high |
| wisterias | Guía de pirojardinería says low · the Eastern US Fire Performance Plant Selector says high |