Wildflower (forb) · Asteraceae
Jesuit's bark
Iva frutescens · includes its varieties and subspecies
Jesuit's bark is recorded as native to 17 states and territories in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in 131 counties of those states by USDA PLANTS.
Key facts · USDA PLANTS
Jesuit's bark at a glance
- Native in
- 131 counties, across 17 states and territories
- Estimated cold hardiness
- Zone 7b PLANTS minimum temperature 2°F
- Mature height
- 9 ft PLANTS mature height
- Light and water
- Full sun (shade-intolerant) High water use
Estimated cold hardiness: zone 7b. PLANTS gives a minimum temperature of 2°F; zone 7b winters bottom out at 5°F, the coldest half-zone that stays within that limit.
Jesuit's bark is recorded as native to 17 states and territories in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in 131 counties of those states by USDA PLANTS.
Counties where it is native
The 15 counties with the most ZIP codes among the 131 where it is listed.
Native counties by state
- Alabama 1 county
- Connecticut statewide record
- Delaware 1 county
- Florida 23 counties
- Georgia 5 counties
- Louisiana 13 counties
- Massachusetts 9 counties
- Mississippi 3 counties
- New Hampshire 2 counties
- New Jersey 10 counties
- New York 9 counties
- North Carolina 10 counties
- Pennsylvania 1 county
- Rhode Island 5 counties
- South Carolina 5 counties
- Texas 10 counties
- Virginia 24 counties
Growing traits
Values from the PLANTS characteristics record. “Not recorded” means PLANTS has no value; nothing here is estimated except the zone.
Growth
- Growth habit
- Forb/herb, Subshrub
- Duration
- Perennial
- Mature height
- 9 ft
- Growth rate
- Moderate
- Growth form
- Multiple Stem
- Shape
- Vase
- Lifespan
- Long
- Active growth period
- Spring and Summer
Light and water
- Shade tolerance
- Intolerant (full sun (shade-intolerant))
- Moisture use
- High water use
- Drought tolerance
- Low
- Tolerance of waterlogged soil
- High
- Precipitation range
- 35 to 65 in per year
Soil
- Soil textures
- Coarse, medium and fine
- pH range
- 5 to 5.7
- Lime (CaCO₃) tolerance
- Medium
- Salinity tolerance
- High
- Fertility requirement
- Low
- Minimum root depth
- 16 in
Climate
- Minimum temperature
- 2°F
- Estimated cold hardiness
- Zone 7b and warmer
- Minimum frost-free days
- 200
- Fire tolerance
- Medium
Flowers, leaves and fruit
- Flower color
- White
- Showy flowers
- Yes
- Bloom period
- Late Summer
- Foliage color
- Green
- Showy in fall
- No
- Keeps leaves
- No
- Fruit color
- White
Other
- Toxicity
- None
- Nitrogen fixation
- None
- Nursery availability
- Routinely Available
- Family
- Asteraceae
- PLANTS symbol
- IVFR
Source & data date
- Source
- USDA NRCS PLANTS Database: county distribution records, native status and plant characteristics. CC0 (public domain dedication, per the data.gov catalog record).
- Kew’s World Checklist of Vascular Plants (WCVP): native or introduced status by state. CC BY 3.0.
- USGS US-RIIS (ver. 2.0): species listed as introduced are excluded. CC0.
- Citation
- USDA, NRCS. 2026. The PLANTS Database (https://plants.usda.gov, 11/04/2026). National Plant Data Team, Greensboro, NC USA.
- Govaerts R. (ed.) (2026). WCVP: World Checklist of Vascular Plants. Facilitated by the Royal Botanic Gardens, Kew. Data file dated 2026-06-04, http://sftp.kew.org/pub/data-repositories/WCVP/ (retrieved 2026-11-04). Paper: Govaerts R. et al. (2021) The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. Scientific Data 8, 215.
- Data date
- Retrieved from PLANTS on November 4, 2026; WCVP data file dated June 4, 2026.
- Scope
- Iva frutescens (PLANTS symbol IVFR), including 1 variety or subspecies folded into the species.
- Method
- A species is listed when it is recorded as native to the state in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in the county by USDA PLANTS. Species PLANTS labels both native and introduced are listed separately. Full method · All sources