Index / Search / Senecio vulgaris
§1 Plant — species · Asteraceae
Senecio vulgaris L.
vernacular old-man-in-the-Spring
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Annual, Biennial
- Group
- Dicot
- Family
- Asteraceae Bercht. & J. Presl
- Genus
- Senecio
§2a
Native status, by region
- AK Alaska Introduced
- CAN Canada Introduced
- GL Greenland Introduced
- HI Hawaii Introduced
- L48 Lower 48 States Introduced
- SPM St. Pierre & Miquelon Introduced
§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Medium
- Shade
- High
- Moisture use
- Medium
- Fire
- Low
- Salinity
- None
- Anaerobic
- None
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- 47 °F minimum
- Frost-free days
- 120 min.
- Precipitation
- 16–55 in/yr
- pH range
- 5–8.5
- Root depth
- 8 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Single Crown
- Growth rate
- Rapid
- Mature height
- 1.5 ft
- Foliage texture
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Moderate
- Porosity (winter)
- Porous
- Flower colour
- Yellow
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- Slight
§3d
Reproduction
- Bloom period
- Early Spring
- Seed abundance
- High
- Seed begins
- Spring
- Seed ends
- Summer
- Spread rate
- Rapid
- Stratify
- No
- Seeds / lb
- 400,000
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Montana distribution
Recorded in 21 of 56 Montana counties.
Introduced · 21 counties
- Carbon 30009
- Flathead 30029
- Gallatin 30031
- Hill 30041
- Jefferson 30043
- Judith Basin 30045
- Lake 30047
- Lewis and Clark 30049
- Liberty 30051
- Lincoln 30053
- Missoula 30063
- Pondera 30073
- Powder River 30075
- Powell 30077
- Ravalli 30081
- Silver Bow 30093
- Sweet Grass 30097
- Teton 30099
- Toole 30101
- Valley 30105
- Wibaux 30109
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/SEVU ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3108983 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-25
fetched 2026-05-25T16:28:53Z