Shrub · Salicaceae
Booth's willow
Salix boothii
Booth's willow is recorded as native to 11 states and territories in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in 113 counties of those states by USDA PLANTS.
Key facts · USDA PLANTS
Booth's willow at a glance
- Native in
- 113 counties, across 11 states and territories
- Estimated cold hardiness
- Zone 8b PLANTS minimum temperature 13°F
- Mature height
- 24 ft PLANTS mature height
- Light and water
- Tolerates shade High water use
Estimated cold hardiness: zone 8b. PLANTS gives a minimum temperature of 13°F; zone 8b winters bottom out at 15°F, the coldest half-zone that stays within that limit.
Booth's willow is recorded as native to 11 states and territories in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in 113 counties of those states by USDA PLANTS.
Counties where it is native
The 15 counties with the most ZIP codes among the 113 where it is listed.
Native counties by state
- Arizona 2 counties
- California 12 counties
- Colorado 8 counties
- Idaho 21 counties
- Montana 2 counties
- Nevada 9 counties
- New Mexico 3 counties
- Oregon 15 counties
- Utah 23 counties
- Washington 4 counties
- Wyoming 14 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
- Shrub
- Duration
- Perennial
- Mature height
- 24 ft
- Growth rate
- Rapid
- Growth form
- Multiple Stem
- Shape
- Erect
- Lifespan
- Moderate
- Active growth period
- Spring and Summer
Light and water
- Shade tolerance
- Tolerant (tolerates shade)
- Moisture use
- High water use
- Drought tolerance
- Low
- Tolerance of waterlogged soil
- Medium
- Precipitation range
- 55 to 125 in per year
Soil
- Soil textures
- Coarse, medium and fine
- pH range
- 5.5 to 8
- Lime (CaCO₃) tolerance
- Medium
- Salinity tolerance
- None
- Fertility requirement
- Low
- Minimum root depth
- 12 in
Climate
- Minimum temperature
- 13°F
- Estimated cold hardiness
- Zone 8b and warmer
- Minimum frost-free days
- 270
- Fire tolerance
- Medium
Flowers, leaves and fruit
- Flower color
- Green
- Showy flowers
- No
- Bloom period
- Late Spring
- Foliage color
- Green
- Showy in fall
- No
- Keeps leaves
- No
- Fruit color
- Black
Other
- Toxicity
- None
- Nitrogen fixation
- None
- Nursery availability
- Routinely Available
- Family
- Salicaceae
- PLANTS symbol
- SABO2
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
- Salix boothii (PLANTS symbol SABO2).
- 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