United States / Grow / kudzu

kudzu (Pueraria montana)
Photo: (c) Eric Schmidt, some rights reserved (CC BY) (CC BY), via iNaturalist. Species-typical, not necessarily this cultivar.

kudzu

Pueraria montana · Fabaceae · Wikipedia

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Is this one for your yard?

Enter your ZIP to see whether this is legal to plant in your state, and whether it survives your winter.

No, kudzu is not fire resistant; keep this highly flammable vine away from structures.

The USDA Forest Service and state Firewise programs rate kudzu “Not Firewise (4),” the lowest category on their four-level scale. The Alabama Forestry Commission reaches the same practical judgment, placing kudzu among four fire-prone plants to avoid within 30 feet of a house. One source grades plants for fire performance across the eastern United States, while the other gives homeowners explicit planting guidance for Alabama. Both land on avoidance.

Kudzu is a full-sun vine in the family Fabaceae and can reach about 100 feet at maturity. It has been introduced in 22 states, including Alabama, Arkansas, and Florida, is hardy to USDA zone 6a, and is flagged as invasive in one jurisdiction. These facts establish its identity and documented range, but they do not alter the fire classifications.

For a homeowner, the useful conclusion is direct: do not treat kudzu as fire-resistant vegetation. Keep it away from structures, and follow Alabama’s specific guidance to avoid it within 30 feet of the house.

Fire-resistant vines instead

Form
vine
Mature height
~100 ft
Light
Full sun
Rated in
Alabama; eastern US
On this lot

1. Fire evidence and conditions

Fire evidence
Highly flammable — location does not change the cited classification.
Placement evidence
2 source placement records; source schemes remain separate.
Evidence regions
Alabama; eastern US
Typed publication scope: 1 scope across 1 cited fire source
  • Firewise Landscaping for Woodland Homes · Official scoped edition
    • AL; partial normalized coverage

      The Alabama Forestry Commission's five-page AFC-FP-04 booklet is an Alabama publication and contains 31 printed suggested or fire-prone plant occurrences. FireApproved publishes 27 exact species or genus owners and holds one infraspecific form plus two named cultivars; this historical source scope does not establish current site suitability for a particular Alabama property.

2. Why this plant is relevant here

State distribution
Documented in AL, AR, CT, DC, DE, FL, GA, HI, IL, IN, KS, KY, LA, MA, MD, MO, MS, NC, NE, NJ, NY, OH, OK, OR, PA, SC, TN, TX, VA, WA, WV.
Introduced / established
22 sourced range or established records. This is not an invasive warning.
USDA hardiness
Only uncertain or inapplicable hardiness rows are cited; no primary zone is projected.

3. Legal, ecological, and broader status

Legal-list status
3 legal-list records; the Place chip matches exact scope.
Reported invasive here
1 ecological invasive report.
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.

Current native

0

exact source areas

Current introduced

22

exact source areas

Qualified

0

doubtful or extinct source rows

22 introduced source areas · World Checklist of Vascular Plants, version 16 v16, as of 2026-06-04
  • Alabama (AL)
  • Arkansas (AR)
  • Florida (FL)
  • Georgia (GA)
  • Hawaii (HI)
  • Illinois (IL)
  • Kansas (KS)
  • Kentucky (KY)
  • Louisiana (LA)
  • Massachusetts (MA)
  • Maryland (MD)
  • Maine (ME)
  • Mississippi (MS)
  • North Carolina (NC)
  • New Jersey (NJ)
  • New York (NY)
  • Oklahoma (OK)
  • Pennsylvania (PA)
  • South Carolina (SC)
  • Tennessee (TN)
  • Texas (TX)
  • Virginia (VA)

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.

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.

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.

Avoids (2)

Corroboration (1 rows from 1 source)
  • Firewise Landscaping for Woodland Homes — Alabama Forestry Commission · 2002 archived booklet · original source Corroboration Compilation lineage: firewise-national

    “Fire-prone plants to avoid within 30 feet of the house: Kudzu — Pueraria lobata”

    The booklet explicitly places this row among fire-prone plants to avoid within 30 feet of the house.

Fire-resistant vines instead

Fire-resistant vines listed above

Last verified 2026-08-23. JSON (CC BY 4.0)

Profiles: USDA PLANTS · GBIF · iNaturalist · Wikidata · Wikipedia · ITIS

Pueraria montana (Kudzu). FireApproved. https://fireapproved.com/plants/pueraria-montana/. Last verified 2026-08-23.