§1 Plant — species · Agavaceae
Yucca glauca Nutt.
vernacular soapweed yucca
§2Habit & range
Habit and range
- Growth habit
- Forb/herb, Shrub, Subshrub
- Duration
- Perennial
- Group
- Monocot
- Family
- Agavaceae Dumort.
- Genus
- Yucca
§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
- Low
- Fire
- None
- Salinity
- Medium
- Anaerobic
- None
- CaCO₃
- High
- Hedging
- Low
§3b
Climate & soil
- Cold tolerance
- -28 °F minimum
- Frost-free days
- 140 min.
- Precipitation
- 7–60 in/yr
- pH range
- 7–8.5
- Root depth
- 6 in min.
- Fertility need
- Low
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Rhizomatous
- Growth rate
- Moderate
- Lifespan
- Short
- Mature height
- 1 ft
- Height @ 20 y
- 1 ft
- Foliage texture
- Coarse
- Foliage colour
- Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- White
- Fruit colour
- Black
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Late Spring
- Seed abundance
- High
- Seed begins
- Summer
- Seed ends
- Summer
- Spread rate
- Moderate
- Stratify
- No
- Seeds / lb
- 24,850
- Propagation
- seed, bare root, container
§3e
Use & availability
- Commercial availability
- Field Collections Only
- Nursery stock
- Yes
- Browse palatability
- Low
- Graze palatability
- Low
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Montana distribution
Recorded in 21 of 56 Montana counties.
Native · 21 counties
- Carter 30011
- Cascade 30013
- Custer 30017
- Flathead 30029
- Gallatin 30031
- Garfield 30033
- Golden Valley 30037
- Hill 30041
- McCone 30055
- Park 30067
- Petroleum 30069
- Phillips 30071
- Powder River 30075
- Prairie 30079
- Richland 30083
- Roosevelt 30085
- Rosebud 30087
- Treasure 30103
- Valley 30105
- Wibaux 30109
- Yellowstone 30111
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/YUGL ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2775497 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-25
fetched 2026-05-25T16:28:53Z