Index / Search / Poa trivialis

§1 Plant — species · Poaceae

Poa trivialis L.

vernacular rough bluegrass


USDA
POTR2
GBIF
8300875
Rank
species
rough bluegrass (Poa trivialis)
Platephotograph · gbiodiversityCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Graminoid
Duration
Perennial
Group
Monocot
Family
Poaceae Barnhart
Genus
Poa
§2a

Native status, by region

  • AK Alaska Introduced
  • CAN Canada Introduced
  • GL Greenland Introduced
  • L48 Lower 48 States Introduced
  • SPM St. Pierre & Miquelon Introduced

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
-28 °F minimum
Frost-free days
120 min.
Precipitation
35–50 in/yr
pH range
4.8–7.5
Root depth
12 in min.
Fertility need
Medium
Soil texture
medium, fine
§3c

Form & growth

Growth form
Bunch
Growth rate
Moderate
Lifespan
Moderate
Mature height
2.5 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
Early Spring
Seed abundance
Medium
Seed begins
Summer
Seed ends
Summer
Spread rate
Slow
Stratify
No
Seeds / lb
2,540,000
Propagation
seed
§3e

Use & availability

Commercial availability
Routinely Available
Nursery stock
No
Browse palatability
Low
Graze palatability
Medium
Palatable, human
No
Protein potential
Low
Lumber
No
Christmas tree
No

§4Montana distribution

Recorded in 9 of 56 Montana counties.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/POTR2 ↗

GBIF Backbone

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

gbif.org/species/8300875 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

fetched 2026-05-25T16:28:53Z