Index / Search / Sorghum halepense
§1 Plant — species · Poaceae
Sorghum halepense (L.) Pers.
vernacular Johnsongrass
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Poaceae Barnhart
- Genus
- Sorghum
§2a
Native status, by region
- CAN Canada Introduced
- HI Hawaii Introduced
- L48 Lower 48 States Introduced
- PB Pacific Basin (except Hawaii) Introduced
- PR Puerto Rico Introduced
§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Low
- Shade
- High
- Moisture use
- High
- Fire
- High
- Salinity
- Low
- Anaerobic
- Low
- CaCO₃
- Low
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -13 °F minimum
- Frost-free days
- 165 min.
- Precipitation
- 32–60 in/yr
- pH range
- 5–7
- Root depth
- 10 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Rhizomatous
- Growth rate
- Rapid
- Lifespan
- Long
- Mature height
- 3.5 ft
- Foliage texture
- Coarse
- Foliage colour
- Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Moderate
- Flower colour
- Yellow
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- Slight
§3d
Reproduction
- Bloom period
- Late Summer
- Seed abundance
- High
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Rapid
- Stratify
- No
- Seeds / lb
- 119,280
- Propagation
- seed, sprigs
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Browse palatability
- High
- Graze palatability
- High
- Palatable, human
- No
- Protein potential
- Medium
- Lumber
- No
- Christmas tree
- No
§4Montana distribution
Recorded in 3 of 56 Montana counties.
Introduced · 3 counties
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/SOHA ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2705185 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-25
fetched 2026-05-25T16:28:53Z