Index / Search / Nassella viridula

§1 Plant

Nassella viridula (Trin.) Barkworth

vernacular green needlegrass — species · Poaceae


USDA
NAVI4
GBIF
5289830
Rank
species
green needlegrass (Nassella viridula)
Platephotograph · John D ReynoldsCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

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

Native status, by region

  • CAN Canada Native
  • L48 Lower 48 States Native
§2b

County-level range

· 18 counties across 1 state
Legend Native · 18 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
-38 °F minimum
Frost-free days
90 min.
Precipitation
15–24 in/yr
pH range
6.6–8.4
Root depth
14 in min.
Fertility need
Medium
Soil texture
medium, fine
§3c

Form & growth

Growth form
Bunch
Growth rate
Rapid
Lifespan
Moderate
Mature height
2 ft
Foliage texture
Medium
Foliage colour
Green
Porosity (summer)
Dense
Porosity (winter)
Porous
Flower colour
Yellow
Fruit colour
Brown
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Late Spring
Seed abundance
Medium
Seed begins
Summer
Seed ends
Summer
Spread rate
Slow
Stratify
Yes
Seeds / lb
167,840
Propagation
seed
§3e

Use & availability

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

§4Counties, by state

Recorded in 18 counties across 1 state.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/NAVI4 ↗

GBIF Backbone

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

gbif.org/species/5289830 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

fetched 2026-05-25T18:27:19Z