Index / Search / Packera tridenticulata
§1 Plant
Packera tridenticulata (Rydb.) W.A. Weber & Á. Löve
vernacular threetooth ragwort — species · Asteraceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb, Subshrub
- Duration
- Perennial
- Group
- Dicot
- Family
- Asteraceae Bercht. & J. Presl
- Genus
- Packera
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 81 counties across 9 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Medium
- Shade
- High
- Moisture use
- Medium
- Fire
- High
- Salinity
- None
- Anaerobic
- Medium
- CaCO₃
- Low
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -23 °F minimum
- Frost-free days
- 100 min.
- Precipitation
- 22–45 in/yr
- pH range
- 5–7.5
- Root depth
- 12 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Multiple Stem
- Growth rate
- Moderate
- Lifespan
- Short
- Mature height
- 3 ft
- Foliage texture
- Fine
- Foliage colour
- Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- Yellow
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Late Summer
- Seed abundance
- Medium
- Seed begins
- Spring
- Seed ends
- Summer
- Spread rate
- Moderate
- Stratify
- No
- Seeds / lb
- 500,000
- Propagation
- seed, bare root
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Browse palatability
- Medium
- Graze palatability
- Low
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 81 counties across 9 states/territories.
Colorado view state ↗ 36 N ▾
- Adams 08001
- Alamosa 08003
- Arapahoe 08005
- Baca 08009
- Bent 08011
- Boulder 08013
- Chaffee 08015
- Cheyenne 08017
- Clear Creek 08019
- Costilla 08023
- Custer 08027
- Denver 08031
- Douglas 08035
- El Paso 08041
- Elbert 08039
- Fremont 08043
- Hinsdale 08053
- Huerfano 08055
- Kiowa 08061
- Kit Carson 08063
- Lake 08065
- Larimer 08069
- Las Animas 08071
- Lincoln 08073
- Logan 08075
- Mineral 08079
- Morgan 08087
- Otero 08089
- Park 08093
- Pueblo 08101
- Rio Grande 08105
- Saguache 08109
- Teller 08119
- Washington 08121
- Weld 08123
- Yuma 08125
Idaho view state ↗ 1 N ▾
Montana view state ↗ 1 N ▾
Nebraska view state ↗ 19 N ▾
New Mexico view state ↗ 8 N ▾
North Dakota view state ↗ 4 N ▾
Oklahoma view state ↗ 2 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/PATR7 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/4248947 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T11:35:19Z