Enter your ZIP to see whether this is legal to plant in your state, and whether it survives your winter.
Giant sequoia carries an avoid recommendation in the cited rows. That sourced conclusion belongs to the Sequoiadendron giganteum record and is not extended to other trees by the scene.
Two hardiness assertions supply the selected climate context. Their individual sources remain available under hardiness evidence, apart from the recommendation trail.
Same-form alternatives are documented under related plants. They give readers a comparison path while leaving the avoid designation and both hardiness assertions attached to this giant sequoia profile.
Southern Idaho (ID footprint); partial normalized coverage · 2013-11-08
The official database labels itself "For Southern Idaho" and describes Idaho residents at the urban-rangeland interface. FireApproved publishes 419 existing plant owners that cite its scored rows. This bounded Southern Idaho scope is regional context, not statewide coverage or a conclusion that the score transfers unchanged to every Idaho site.
2. Why this plant is relevant here
State distribution
Documented in CA, DC, DE, MD, NJ, OH, PA, WV.
Native range
Current cited native range in CA.
Introduced / established
USDA hardiness
Documented minimum 4b; no upper limit is documented.
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.
Plant hardiness evidence
These values describe the plant source. Your ZIP zone comes from the separate 2023 USDA
Plant Hardiness Zone Map. Whole-zone values stay whole-zone, and a single unresolved value
is not treated as a tolerance range. Different source boundaries stay separate: overlapping
statements are compared independently, while only ranges with no shared zone are called a conflict.
Source location: Cold Hardiness Zone field in the recovered selector record.
Not used for comparison: The recovered selector prints one Cold Hardiness Zone value but does not define it as a minimum threshold or a one-zone range.
Source location: PlantCharacteristics record 15283, Temperature, Minimum (°F).
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.
Eastern United States Fire Performance Plant Selector: Landscape Zone 3 — 10–30 ft from the structure; thin vegetation, remove debris, and minimize plant massing [Fire Performance Plant Selector landscape zone] (with its avoid rating)
Fire Resistance of Plants Master Database: plantable at 100'+ from home [Idaho minimum planting distance] (with its avoid rating)
Guía de pirojardinería: not suitable inside the 25-metre maximum-risk zone [girona-2020-iuf-25m-suitability] (with its avoid rating)
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.
Sequoiadendron giganteum is rated “DESACONSEJADA” 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.
Listed without a rating (39)Corroboration (39 rows from 1 source)
39 cited rows from this source; its identity, lineage and tier are stated once.
Primary study Belcher2016: Belcher, C. M. (2016). The influence of leaf morphology on litter flammability and its utility for interpreting palaeofire. Philosophical Transactions of the Royal Society B: Biological Sciences, 371, 20150163.
Shared row context: plant part litter; fuel all; predrying yes; device calorimeter; site Belcher2016-1; sampling ND.
Primary study deMagalhaes2012: De Magalhães, R. M. Q., & Schwilk, D. W. (2012). Leaf traits and litter flammability: evidence for non-additive mixture effects in a temperate forest. Journal of Ecology, 100, 1153-1163.
Shared row context: plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2012-1; sampling summer.
Primary study vanWagtendonk1998: Van Wagdendonk, J., Sydoriak, W. M., & Benedict, J. M. (1998). Heat content variation of Sierra Nevada conifers. International Journal of Wildland Fire, 8, 147-158.
Primary study Zhang2022: Zhang, S., Cornwell, W. K., Zhao, W., van Logtestijn, R. S., Krab, E. J., Aerts, R., & Cornelissen, J. H. (2022). Experimental evidence that leaf litter decomposability and flammability are decoupled across gymnosperm species. Journal of Ecology, 111, 761-772.
Shared row context: plant part leaves; fuel all; predrying yes; device burning bench; site Zhang2022-1; sampling january and march 2011.
“maximum flame temperature (°C): 677.916”
FLAMITS record 15576; Combustibility measurement.
“flaming duration (s): 3.4”
FLAMITS record 15617; Sustainability measurement.
Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.
Shared row context: plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND.
