Index / Search / Mentzelia decapetala
§1 Plant — species · Loasaceae
Mentzelia decapetala (Pursh ex Sims) Urb. & Gilg ex Gilg
vernacular tenpetal blazingstar
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Biennial, Perennial
- Group
- Dicot
- Family
- Loasaceae Juss.
- Genus
- Mentzelia
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- High
- Shade
- High
- Moisture use
- Medium
- Fire
- Low
- Salinity
- Low
- Anaerobic
- None
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -38 °F minimum
- Frost-free days
- 95 min.
- Precipitation
- 16–32 in/yr
- pH range
- 6–8.4
- Root depth
- 10 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Single Crown
- Growth rate
- Rapid
- Lifespan
- Short
- Mature height
- 3.5 ft
- Foliage texture
- Coarse
- Foliage colour
- Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- White
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Mid Summer
- Seed abundance
- Medium
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Moderate
- Stratify
- Yes
- Seeds / lb
- 328,500
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- Contracting Only
- Nursery stock
- No
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Montana distribution
Recorded in 23 of 56 Montana counties.
Native · 23 counties
- Big Horn 30003
- Carbon 30009
- Cascade 30013
- Custer 30017
- Fergus 30027
- Gallatin 30031
- Garfield 30033
- Golden Valley 30037
- Granite 30039
- Madison 30057
- McCone 30055
- Park 30067
- Phillips 30071
- Powder River 30075
- Powell 30077
- Prairie 30079
- Richland 30083
- Roosevelt 30085
- Rosebud 30087
- Sheridan 30091
- Teton 30099
- Wibaux 30109
- Yellowstone 30111
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/MEDE2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5331485 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-25
fetched 2026-05-25T16:28:53Z