Index / Search / Hieracium scouleri
§1 Plant
Hieracium scouleri Hook.
vernacular Scouler's woollyweed — species · Asteraceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Asteraceae Bercht. & J. Presl
- Genus
- Hieracium
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 77 counties across 7 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- High
- Shade
- High
- Moisture use
- Medium
- Fire
- Medium
- Salinity
- Low
- Anaerobic
- None
- CaCO₃
- Low
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -33 °F minimum
- Frost-free days
- 120 min.
- Precipitation
- 14–30 in/yr
- pH range
- 6.5–7.8
- Root depth
- 12 in min.
- Fertility need
- Low
- Soil texture
- medium
§3c
Form & growth
- Growth form
- Bunch
- Growth rate
- Moderate
- Lifespan
- Moderate
- Mature height
- 2 ft
- Foliage texture
- Coarse
- Foliage colour
- Gray-Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- Orange
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Late Spring
- Seed abundance
- Low
- Seed begins
- Summer
- Seed ends
- Summer
- Spread rate
- Moderate
- Stratify
- No
- Seeds / lb
- 2,225,000
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Browse palatability
- Low
- Graze palatability
- High
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 77 counties across 7 states/territories.
California view state ↗ 14 N ▾
Idaho view state ↗ 12 N ▾
Montana view state ↗ 2 N ▾
Nevada view state ↗ 1 N ▾
Oregon view state ↗ 30 N ▾
- Baker 41001
- Benton 41003
- Clackamas 41005
- Columbia 41009
- Coos 41011
- Crook 41013
- Curry 41015
- Deschutes 41017
- Douglas 41019
- Grant 41023
- Harney 41025
- Hood River 41027
- Jackson 41029
- Jefferson 41031
- Josephine 41033
- Klamath 41035
- Lake 41037
- Lane 41039
- Linn 41043
- Malheur 41045
- Marion 41047
- Morrow 41049
- Multnomah 41051
- Polk 41053
- Sherman 41055
- Umatilla 41059
- Union 41061
- Wallowa 41063
- Wasco 41065
- Wheeler 41069
Washington view state ↗ 17 N ▾
Wyoming view state ↗ 1 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/HISC2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3136001 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z