Index / Search / Iris virginica
§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§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 ▾
- Ashley 05003
- Benton 05007
- Chicot 05017
- Clark 05019
- Cleburne 05023
- Columbia 05027
- Conway 05029
- Dallas 05039
- Desha 05041
- Faulkner 05045
- Franklin 05047
- Grant 05053
- Howard 05061
- Jefferson 05069
- Lafayette 05073
- Lawrence 05075
- Nevada 05099
- Ouachita 05103
- Pope 05115
- Pulaski 05119
- Saline 05125
- St. Francis 05123
- Union 05139
- Washington 05143
Delaware view state ↗ 1 N ▾
District of Columbia view state ↗ 1 N ▾
Florida view state ↗ 18 N ▾
Georgia view state ↗ 23 N ▾
- Baker 13007
- Bartow 13015
- Berrien 13019
- Bulloch 13031
- Charlton 13049
- Cherokee 13057
- Dougherty 13095
- Echols 13101
- Jasper 13159
- Jefferson 13163
- Lanier 13173
- Laurens 13175
- Liberty 13179
- Lowndes 13185
- McIntosh 13191
- Muscogee 13215
- Seminole 13253
- Telfair 13271
- Thomas 13275
- Tift 13277
- Toombs 13279
- Ware 13299
- Wilkinson 13319
Kentucky view state ↗ 39 N ▾
- Adair 21001
- Anderson 21005
- Ballard 21007
- Barren 21009
- Bell 21013
- Butler 21031
- Caldwell 21033
- Calloway 21035
- Casey 21045
- Clark 21049
- Daviess 21059
- Fayette 21067
- Floyd 21071
- Franklin 21073
- Fulton 21075
- Graves 21083
- Hardin 21093
- Harrison 21097
- Henderson 21101
- Henry 21103
- Hickman 21105
- Hopkins 21107
- Jefferson 21111
- Laurel 21125
- Livingston 21139
- Marshall 21157
- McCracken 21145
- McLean 21149
- Meade 21163
- Montgomery 21173
- Muhlenberg 21177
- Oldham 21185
- Powell 21197
- Pulaski 21199
- Robertson 21201
- Rowan 21205
- Trigg 21221
- Webster 21233
- Whitley 21235
Maryland view state ↗ 2 N ▾
New York view state ↗ 5 N ▾
Virginia view state ↗ 38 N ▾
- Accomack 51001
- Albemarle 51003
- Amelia 51007
- Amherst 51009
- Augusta 51015
- Campbell 51031
- Caroline 51033
- Charles City 51036
- Charlotte 51037
- Chesapeake (city) 51550
- Chesterfield 51041
- Dinwiddie 51053
- Essex 51057
- Fairfax 51059
- Gloucester 51073
- Greensville 51081
- Hanover 51085
- Henrico 51087
- Isle of Wight 51093
- James City 51095
- King George 51099
- King William 51101
- Mathews 51115
- Mecklenburg 51117
- Middlesex 51119
- New Kent 51127
- Northampton 51131
- Prince George 51149
- Prince William 51153
- Roanoke 51161
- Southampton 51175
- Stafford 51179
- Suffolk (city) 51800
- Surry 51181
- Sussex 51183
- Virginia Beach (city) 51810
- Warren 51187
- Westmoreland 51193
§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
