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Early azalea is rated medium in flammability by Ohio and Virginia, between their low and high categories.
Both identify the shrub as roseshell azalea, Rhododendron prinophyllum.
Ohio rates plants on a scale that also includes very low and very high categories. Virginia rates them low, medium or high. These are landscape classifications: Ohio explicitly bases its ratings on the authors' experience and that of others. Matching letters should be read within each list's own scale.
The species notes add a useful distinction about soil. Ohio calls for moist, well-drained, acidic soil and flags disease sensitivity. Virginia says roseshell azalea tolerates higher pH than most deciduous azaleas. That is a relative tolerance, alongside Ohio's acidic-soil requirement. It does not turn Virginia's medium fire rating into a favorable one. Ohio also emphasizes removing dead and diseased wood and accumulated debris when maintaining a firewise landscape.
Form
shrub
Rated in
Ohio / Midwest; Virginia / Mid-Atlantic
Uses
specimen, screen
On this lot
1. Fire evidence and conditions
Fire evidence
Mixed evidence — location does not change the cited classification.
Fire-performance conditions
Fire ecology context
Placement evidence
Evidence regions
Ohio / Midwest; Virginia / Mid-Atlantic
Maintenance
Typed publication scope: 2 scopes across 2 cited fire sources
Ohio State University Extension Bulletin 921 is an Ohio publication that describes Ohio fire seasons and landscape conditions and labels nativity to Ohio. FireApproved publishes 352 exact source-owning plant records from its eight rated tables. This historical publication scope does not assert current extension endorsement or that a listed plant suits every Ohio site.
Virginia Cooperative Extension's publication opens with Virginia wildfire conditions, identifies its Virginia Firewise Landscaping Task Force, and labels plants native to Virginia. FireApproved publishes 306 exact source owners. Publication scope does not establish parcel suitability or current endorsement of this archived 2009 list.
2. Why this plant is relevant here
State distribution
Documented in AL, AR, CT, GA, IL, KY, MA, MD, ME, MO, NC, NH, NJ, NY, OH, OK, PA, RI, TN, TX, VA, VT, WV.
Native range
The legacy compatibility field lists OH in native range; its field-level source was not retained.
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.
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.
