Index / Search / Bromus hordeaceus ssp. hordeaceus

§1 Plant

Bromus hordeaceus L. ssp. hordeaceus

vernacular soft brome — subspecies · Poaceae


USDA
BRHOH
GBIF
7226793
Rank
subspecies
soft brome (Bromus hordeaceus ssp. hordeaceus)
Platephotograph · Věra KafkováCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Graminoid
Duration
Annual
Group
Monocot
Family
Poaceae Barnhart
Genus
Bromus
§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
§2b

County-level range

· 80 counties across 14 states/territories
Legend Native · 0 Introduced · 80 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
High
Shade
Medium
Moisture use
Medium
Fire
High
Salinity
Medium
Anaerobic
None
CaCO₃
High
Hedging
None
§3b

Climate & soil

Cold tolerance
17 °F minimum
Frost-free days
90 min.
Precipitation
12–20 in/yr
pH range
5.5–8
Root depth
10 in min.
Fertility need
Low
Soil texture
coarse, medium, fine
§3c

Form & growth

Growth form
Bunch
Growth rate
Rapid
Mature height
2 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
None
§3d

Reproduction

Bloom period
Mid Spring
Seed abundance
High
Seed begins
Spring
Seed ends
Summer
Spread rate
Rapid
Stratify
No
Seeds / lb
251,840
Propagation
seed
§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

§4Counties, by state

Recorded in 80 counties across 14 states/territories.

Arizona view state ↗ 5 I
Arkansas view state ↗ 2 I
Delaware view state ↗ 1 I
Kentucky view state ↗ 3 I
Maine view state ↗ 2 I
Massachusetts view state ↗ 11 I
Montana view state ↗ 14 I
New Hampshire view state ↗ 2 I
New Jersey view state ↗ 7 I
New York view state ↗ 5 I
North Carolina view state ↗ 2 I
Pennsylvania view state ↗ 12 I
Rhode Island view state ↗ 2 I
Virginia view state ↗ 12 I

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/BRHOH ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/7226793 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T05:45:41Z