Index / Search / Senecio triangularis
§1 Plant
Senecio triangularis Hook.
vernacular arrowleaf ragwort — species · Asteraceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb, Subshrub
- Duration
- Perennial
- Group
- Dicot
- Family
- Asteraceae Bercht. & J. Presl
- Genus
- Senecio
§2a
Native status, by region
- AK Alaska Native
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 85 counties across 6 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Low
- Shade
- Medium
- Moisture use
- High
- Fire
- Medium
- Salinity
- None
- Anaerobic
- High
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -33 °F minimum
- Frost-free days
- 145 min.
- Precipitation
- 14–60 in/yr
- pH range
- 6.2–7.8
- Root depth
- 10 in min.
- Fertility need
- Medium
- Soil texture
- medium, fine
§3c
Form & growth
- Growth form
- Rhizomatous
- Growth rate
- Moderate
- Lifespan
- Long
- Mature height
- 4 ft
- Foliage texture
- Coarse
- Foliage colour
- Green
- Porosity (summer)
- Moderate
- Porosity (winter)
- Porous
- Flower colour
- Yellow
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Mid Summer
- Seed abundance
- High
- Seed begins
- Fall
- Seed ends
- Fall
- Spread rate
- Moderate
- Stratify
- No
- Seeds / lb
- 500,000
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Browse palatability
- High
- Graze palatability
- Medium
- Palatable, human
- No
- Protein potential
- Medium
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 85 counties across 6 states/territories.
Alaska view state ↗ 13 N ▾
Colorado view state ↗ 25 N ▾
- Archuleta 08007
- Boulder 08013
- Conejos 08021
- Custer 08027
- Delta 08029
- Garfield 08045
- Gilpin 08047
- Grand 08049
- Gunnison 08051
- Hinsdale 08053
- Jackson 08057
- La Plata 08067
- Lake 08065
- Larimer 08069
- Mesa 08077
- Mineral 08079
- Montezuma 08083
- Park 08093
- Pitkin 08097
- Rio Blanco 08103
- Routt 08107
- Saguache 08109
- San Juan 08111
- San Miguel 08113
- Summit 08117
Idaho view state ↗ 24 N ▾
- Adams 16003
- Bear Lake 16007
- Blaine 16013
- Boise 16015
- Bonner 16017
- Boundary 16021
- Caribou 16029
- Clark 16033
- Clearwater 16035
- Custer 16037
- Elmore 16039
- Fremont 16043
- Idaho 16049
- Kootenai 16055
- Latah 16057
- Lemhi 16059
- Lincoln 16063
- Madison 16065
- Nez Perce 16069
- Owyhee 16073
- Shoshone 16079
- Teton 16081
- Valley 16085
- Washington 16087
Montana view state ↗ 12 N ▾
New Mexico view state ↗ 6 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/SETR ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3108906 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T12:10:33Z