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§1 Plant

Poa annua L.

vernacular annual bluegrass — species · Poaceae

USDA
POAN
GBIF
2704179
Rank
species
annual bluegrass (Poa annua)
Platephotograph · Татьяна ИльинаCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

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

Native status, by region

  • AK Alaska Introduced
  • CAN Canada Introduced
  • GL Greenland Introduced
  • HI Hawaii Introduced
  • L48 Lower 48 States Introduced
  • PB Pacific Basin (except Hawaii) Introduced
  • PR Puerto Rico Introduced
  • SPM St. Pierre & Miquelon Introduced
§2b

County-level range

· 1,297 counties across 49 states/territories
Legend Native · 0 Introduced · 1297 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
47 °F minimum
Frost-free days
60 min.
Precipitation
24–60 in/yr
pH range
4.8–8
Root depth
3 in min.
Fertility need
Low
Soil texture
coarse, medium, fine
§3c

Form & growth

Growth form
Bunch
Growth rate
Rapid
Mature height
0.3 ft
Foliage texture
Fine
Foliage colour
Green
Porosity (summer)
Porous
Porosity (winter)
Porous
Flower colour
Yellow
Fruit colour
Brown
Fire resistant
Yes
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
1,195,680
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

§4Counties, by state

Recorded in 1,297 counties across 49 states/territories.

Alabama view state ↗ 10 I ▾
Alaska view state ↗ 16 I ▾
Arizona view state ↗ 13 I ▾
Arkansas view state ↗ 35 I ▾
California view state ↗ 49 I ▾
Colorado view state ↗ 16 I ▾
Delaware view state ↗ 1 I ▾
District of Columbia view state ↗ 1 I ▾
Florida view state ↗ 25 I ▾
Georgia view state ↗ 27 I ▾
Hawaii view state ↗ 4 I ▾
Idaho view state ↗ 28 I ▾
Illinois view state ↗ 77 I ▾
Indiana view state ↗ 49 I ▾
Iowa view state ↗ 18 I ▾
Kansas view state ↗ 35 I ▾
Kentucky view state ↗ 41 I ▾
Louisiana view state ↗ 64 I ▾
Maine view state ↗ 15 I ▾
Massachusetts view state ↗ 14 I ▾
Michigan view state ↗ 31 I ▾
Minnesota view state ↗ 25 I ▾
Mississippi view state ↗ 23 I ▾
Missouri view state ↗ 44 I ▾
Montana view state ↗ 18 I ▾
Nebraska view state ↗ 2 I ▾
Nevada view state ↗ 9 I ▾
New Hampshire view state ↗ 9 I ▾
New Jersey view state ↗ 16 I ▾
New Mexico view state ↗ 12 I ▾
New York view state ↗ 45 I ▾
North Carolina view state ↗ 76 I ▾
North Dakota view state ↗ 12 I ▾
Ohio view state ↗ 2 I ▾
Oklahoma view state ↗ 16 I ▾
Oregon view state ↗ 29 I ▾
Pennsylvania view state ↗ 60 I ▾
Rhode Island view state ↗ 5 I ▾
South Carolina view state ↗ 35 I ▾
South Dakota view state ↗ 2 I ▾
Tennessee view state ↗ 44 I ▾
Texas view state ↗ 52 I ▾
Utah view state ↗ 18 I ▾
Vermont view state ↗ 12 I ▾
Virginia view state ↗ 91 I ▾
Washington view state ↗ 30 I ▾
West Virginia view state ↗ 20 I ▾
Wisconsin view state ↗ 13 I ▾
Wyoming view state ↗ 8 I ▾

§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/POAN ↗

GBIF Backbone

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

gbif.org/species/2704179 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T20:46:58Z