Index / Search / Iris virginica

§1 Plant

Iris virginica L.

vernacular Virginia iris — species · Iridaceae


USDA
IRVI
GBIF
5298008
Rank
species
Virginia iris (Iris virginica)
Platephotograph · Jay Gilliam source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb
Duration
Perennial
Group
Monocot
Family
Iridaceae Juss.
Genus
Iris
§2a

Native status, by region

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

County-level range

· 173 counties across 11 states/territories
Legend Native · 173 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
12 °F minimum
Frost-free days
200 min.
Precipitation
45–65 in/yr
pH range
4.8–7.3
Root depth
6 in min.
Fertility need
Medium
Soil texture
medium, fine
§3c

Form & growth

Growth form
Rhizomatous
Growth rate
Moderate
Lifespan
Moderate
Mature height
3.3 ft
Foliage texture
Coarse
Foliage colour
Green
Porosity (summer)
Porous
Porosity (winter)
Porous
Flower colour
Blue
Fruit colour
Black
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Spring
Seed abundance
Low
Seed begins
Summer
Seed ends
Fall
Spread rate
Slow
Stratify
No
Propagation
seed, bulb
§3e

Use & availability

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

§4Counties, by state

Recorded in 173 counties across 11 states/territories.

Alabama view state ↗ 11 N
Arkansas view state ↗ 24 N
Delaware view state ↗ 1 N
District of Columbia view state ↗ 1 N
Florida view state ↗ 18 N
Georgia view state ↗ 23 N
Kentucky view state ↗ 39 N
Maryland view state ↗ 2 N
New York view state ↗ 5 N
Virginia view state ↗ 38 N
West Virginia view state ↗ 11 N

§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/IRVI ↗

GBIF Backbone

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

gbif.org/species/5298008 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T05:06:36Z